Datasets:

cwinkler

/

patents_green_plastics

like 1

methods and apparatuses for masking the edges of a substrate when performing direct or reverse gravure coating using a kiss - coat configuration , particularly useful for in - line coating of biaxially oriented polymeric films . the methods and apparatuses include a masking plate configured to prevent the edge of a portion of a substrate from contacting a gravure roll , the masking plate includes a top portion having a rockwell b hardness equal to or greater than 80 , and a thickness of between 0 . 03125 inches and 0 . 375 inches . this masking plate prevents build - up of coating on the edges of the substrate which otherwise can cause film orientation production instabilities such as film breaks , sticking to tenter clips , and / or edge trim recycling incompatibilities . the masking plate provides a masking method that is effective and durable , minimizing production downtime and maintenance .

disclosed herein are an environmentally - friendly biocomposite prepared from a mixture , as a reinforcement , of algae fibers extracted from algae and a polymeric reagent by means of high - temperature compression - molding , and a method for preparing the biocomposite .

according to one aspect , embodiments of the invention provide a seat construction for a float , the seat construction comprising an upper layer made of a first plastic material , a lower layer made of a second plastic material , and a middle layer made of a reinforced plastic material , wherein the middle layer is interposed between the upper layer and the lower layer , and wherein the upper layer and the lower layer are bonded together around an outer edge of the seat construction .

disclosed are a method and composition for intralesional therapy of solid cancer tumors , and especially brain tumors , comprising , delivering a compound of a 1 , 2 , 4 - benzotriazine oxide contained in a biodegradable , slow release polymer and subjecting the cancer tumors to irradiation therapy .

a plastic container has a mouth region and a main body adjoining the mouth region in a longitudinal direction of the plastic container . the main body has a peripheral wall extending around in a circumferential direction of the plastic container . a container base adjoining the main body has a central region and a plurality of reinforcing ribs which , starting from the central region , extend in the direction of the circumferential wall . a stepped portion extending at least partially in the circumferential region of the plastic container is provided in a circumferential region of the container base which extends in the circumferential direction about the longitudinal direction , wherein a vertical position of this stepped portion varies in the longitudinal direction .

a high performance thermoplastic hose useful as a power steering hose , the high performance thermoplastic hose comprising a high performance engineering thermoplastic such as polyurethane and a chlorine - containing polyolefin such as chlorinated polyethylene , chlorinated polypropylene , chlorinated copolymers containing ethylene and propylene , chlorosulfonated polyethylene , chlorosulfonated polypropylene , chlorosulfonated copolymers of ethylene and propylene or mixture thereof , is disclosed . also disclosed are a method for manufacturing the high performance thermoplastic hose , and a thermoplastic vulcanizate capable of resisting chemical attack and withstanding temperatures up to about 300 ° f .

nanofluidic entropic traps , comprising alternating thin and thick regions , sieve small molecules such as dna or protein polymers and other molecules . the thick region is comparable or substantially larger than the molecule to be separated , while the thin region is substantially smaller than the size of the molecules to be separated . due to the molecular size dependence of the entropic trapping effect , separation of molecules may be achieved . in addition , entropic traps are used to collect , trap and control many molecules in the nanofluidic channel . a fabrication method is disclosed to provide an efficient way to make nanofluidic constrictions in any fluidic devices .

disclosed is a method for preparing a magnetic microsphere for the separation of biological proteins . a magnetic microsphere matrix is treated by formulating and using an appropriate emulsified liquid , and modification of the surface of the magnetic microsphere matrix is realized by emulsion polymerization , thereby obtaining a magnetic microsphere coated with a polyacrylate polymer layer . said emulsified liquid comprises the following components therein : acyclic acid monoester compounds , acyclic acid glycol compounds , initiators and optionally anionic surface active agents and water . the magnetic microsphere significantly reduces the non - specific adsorption of other proteins , without affecting the joining ability for a specific protein , when used in the separation of biological proteins . a new selection is provided to realize the separation engineering of high protein specificity adsorption .

the synthesis of certain polyester diols is disclosed . this application also discloses the purification and polymerization kinetics of lipid based peds . molecular weight and distribution controls were achieved by initial and induced stoichiometric imbalance and optimization of the purification protocol . thermal degradation and thermal transition behavior of the peds were also investigated by tga and dsc .

a bellows for protecting a u - joint in a marine stern drive includes a flexible , hollow body defining an interior space and open at opposite ends , the body formed of a thermoplastic elastomer material to be self - supporting , having a first mating end and a second mating end and being pleated therebetween , a first sealing cuff formed of an elastomeric material , softer than the thermoplastic elastomer material , bonded to the first mating end and , a second sealing cuff formed of an elastomeric material , softer than the thermoplastic elastomer material , bonded to the second mating end .

a method and apparatus for forming foam articles is described . thermoplastic resin beads containing a blowing agent are continually agitated in a heated pre - expansion chamber to a temperature near the fusion point of the beads and above the boiling point of the blowing agent at substantially atmospheric pressure . the beads soften and expand substantially in volume . a dry gaseous medium may be swept over the beads to remove moisture and any blowing agent which has escaped . thereafter , the chamber is evacuated . evacuation continues until a predetermined amount of blowing agent is removed from the beads . as a preferred embodiment of the invention , steam may be injected into the chamber prior to evacuation . this serves to further expand the beads , and facilitates the removal of the blowing agent . this embodiment also provides a means of manufacturing particularly stable low - density foam . the expanded beads , after they are restored to atmospheric pressure , are discharged to a storage facility and maintained at an elevated temperature for immediate use in a molding apparatus . the expanded hot beads may be fed directly by air injection conveyors to mold cavities and molded into the desired articles .

a wicketed bags packet is provided that comprises a stack of flattened , flexible plastic bags having two wicket holes therethrough ; wicket shanks extending through said wicket holes respectively ; and elongate , flexible binding members crossed in an under - to - over pattern between said shanks and forming a handgrip for said packet , each said binding member being affixed to a shank , respectively , at the rear of said stack and extending to and being removably and reclosably affixed to the other of said shanks at the front of said stack . an associated method for dispensing wicketed bags is also provided .

milled nanoparticles comprising a biolgically active agent , at least one biopolymer and a coating containing at least one coating which is a polymer or ligand are produced using milling and coating techniques which have not previously been used for these applications

water is mixed with fire suppressant polymer in a mixer absent a power source . the mixer receives water through a water inlet with water exhibiting high velocity and associated hydrodynamic force . such velocity is achieved by locating the water inlet connected to a float or other part of an aircraft so that when the aircraft flies over water with the float dipping into the water , water is driven through the opening and into the water inlet of the mixer . a polymer inlet passes into the mixer . a bend is located downstream of the water inlet and the polymer inlet . the bend exhibits sufficient resistance to fluid flow direction therethrough that the polymer is sheared and thoroughly mixed and activated with the water . a colorant inlet is optionally provided within the mixer and the water and polymer mixture is then discharged into a tank for later utilization at a firefighting location .

a method of bonding a thermoplastic rotating band onto a projectile including the steps of designating , e . g ., machining , a band seat zone onto a metallic , e . g ., steel , projectile body , coating the band seat zone with a sprayed metallic coating , and applying a polymer in liquid form around said zone and to said sprayed metallic coating to form a plastic rotating band .

flexible , halogen - free films , both multilayer films and monolayer films , can replace polyvinyl chloride films in applications requiring high speed welding by high frequency radiation . the monolayer films result from a blend of a non - polar olefin polymer and a polar olefin polymer that contains carbon monoxide . the multilayer films have like that of the monolayer films , but located so as to promote high frequency sealing . products made from such films are particularly well suited for medical device applications .

molding techniques and apparatus wherein at least one adjustable edge component can be used to alter the dimensions of the mold cavity between molding operations . also disclosed are techniques for incorporating reinforcing composite elements into molded plastic parts . most preferably , a rotomolding technique is used to fabricate a substantially homogenous composite panel for use as a partition or bulkhead .

an aqueous dispersed primer - sealer composition applied to a surface layer of overlay paper or surface mat provides an impregnated surface layer for use in manufacturing hardboard products by hot pressing in a molding operation . the primer sealer provides a finished surface as well as defect - free surface from the molding surface . the primer - sealer can be pigmented and is based on a polymeric binder composition containing melamine resin , carboxyl functional acrylic emulsion copolymer , vinyl - acetate - vinyl versatate copolymer , emulsified fatty acid , and polyvinyl alcohol .

a process of continuously packaging a thermoplastic composition such as a pressure sensitive hot melt adhesive . the method includes the steps of forming a thermoplastic film to a rigid mold wherein said film becomes molten at or below the usage temperature of a hot melt adhesive composition , and the mold is in contact with ambient air ; dispensing hot melt adhesive into the lined mold ; disposing a thermoplastic film on the surface of the mold to form a packaged hot melt adhesive ; allowing the hot melt adhesive to reach a state in the presence of ambient air such that the packaged hot melt adhesive is removable from the mold .

a liquid fiber mulching mat of a non - woody fiber and the production method thereof are disclosed . the production method of a liquid fiber mulching mat for a non - woody fiber includes steps of providing a biopulp of a non - woody fiber plant , a polymer and water , mixing the biopulp , the polymer and water well for preparing a fiber pulp of the non - woody fiber plant , and applying the fiber pulp of the non - woody fiber plant on a surface of an article for forming the liquid fiber mulching mat . besides , a solid fiber mulching mat of a non - woody fiber is disclosed . the fiber mulching mat can be used in farms for protecting the weeds and used in mountainside land for preventing soil collapse . also the fiber mulching mat can be used in arid area for decreasing water evaporation and preventing desertification and dust storm .

the present invention relates to biodegradable plastics and biodegradable plastic products thereof having flexibility , and more specifically , it aims to provide a plasticizer for providing aliphatic polyester , in particular , polylactic acid with flexibility , an aliphatic polyester composition using the same , a film , a sheet , a bag and the like obtained by molding said composition , that are , with respect to 100 parts by weight of aliphatic polyester , an aliphatic polyester compound which contains polyglycerol acetic ester by 5 - 50 parts by weight , an aliphatic polyester compound which contains polyglycerol acetic ester and acetic and fatty acid ester of glycerol having a specific structure by 5 - 50 parts by weight , and flexible products which are obtained by molding the fatty polyester compound indicated in the above or into films , sheets , bags or the like .

a drug eluted vascular graft where the internal lumen are coated with at least one or more bioerodible polymers capable of releasing at least one or more therapeutic agents in a controlled time - released manner . the therapeutic agent may include an antimicrotubule , an antiproliferative agent , or an antithrombogenic agent . a method for preventing thrombosis of vascular grafts used in vascular access for hemodialysis , vascular reconstruction and coronary bypass grafting .

there is disclosed a reusable shipping pallet formed from plastic parts and a method of assembling the same . the pallet comprises at least two i - beam constructs , each of the i - beam constructs having a first beam end , a second beam end and a longitudinal beam axis extending therethrough , each of the i - beam constructs having a top beam portion and a bottom beam portion , and each of the i - beam constructs having a dovetail projection along the top beam portion and extending in a direction parallel to the longitudinal beam axis ; and at least one deck board having a first board end , a second board end and a longitudinal board axis extending therethrough , the at least one deck board having a top board portion and a bottom board portion , the at least one deck board having at least two dovetail slots formed in the bottom board portion , the dovetail slots being substantially perpendicular to the longitudinal board axis and being configured to compliment a shape of the dovetail projection ; wherein the pallet is assembled by inserting each of the dovetail projections into a corresponding dovetail slot of the at least one deck board .

molecular adsorption to the microfluidic device surfaces can be passively and actively mitigated by mixing certain hydrophilic polymers ( organic polymers with repeating hydrophilic groups — the preferred polymers being amphipathic surfactants — with the sample liquid during or prior to relevant microfluidic operations . nonionic surfactants such as polyoxyethylene sorbitan monooleate and polyoxyethylene octyl phenyl ether are especially effective . high molecular weight polyethylene polymers are also effective . the hydrophilic polymers appear to prevent binding of the fouling molecules to the microfluidic by occupying the surface sites in place of the fouling molecules or by interacting with the fouling molecules to prevent binding of the fouling molecules the surface . when surface adsorption is thus mitigated , microfluidic devices can readily handle samples containing biomolecules to enable active sample concentration , filtering , washing , transport , mixing and other sample handling operations .

the invention relates to medicine and specifically to combustiology , to surgery , and to cosmetology and can be used as a bioplastic material for replacing defects in epithelial tissues and for stimulating regeneration . the technical result is increased efficacy in healing wounds . the goal is achieved in that a histo - equivalent bioplastic material is used which includes a substrate in the form of a matrix , the material for which is a native form of hyaluronic acid , distinguished in that the histo - equivalent bioplastic material contains a 1 . 5 % solution of hyaluronic acid and a 5 % solution of a peptide complex which are mixed until a viscous elastic gel is formed , situated in the foundation and subjected to ultraviolet photopolymerization in a biosafety cabinet over the course of 5 - 7 hours at the following quantitative ratio in ml : 1 . 5 % solution of hyaluronic acid solution : 80 - 90 %; 5 % solution of peptide complex : 10 - 20 %; the finished material has perforations and notches .

a device and method are provided combining the thermal and mechanical attributes of two distinct materials : shape memory materials and super - cooled liquids . in one example of the invention , the super - cooled liquid is contained within a shape memory polymer , so that the heat released by the scl when it is mechanically triggered to crystallize itself triggers the shape change of the shape memory polymer . the device is suitable as a reusable warmer , as a dental mold material , in medical applications where reusable heat packs are indicated , particularly for application to difficult contours , and for large deployable structures such as satellite antennae and temporary shelters .

an optical fiber cable in which elongation under longitudinal tension is reduced by the use of a molecularly oriented plastic reinforcement member extending along the neutral axis of the cable .

a composition capable of selectively plugging highly permeable zones in a subterranean formation . the composition forms a gel subsequent to its injection into the formation via an injection wall . the composition comprises an aqueous solution of a welan gum heteropolysaccharide biopolymer produced by the fermentation of a microorganism of the genus alcaligenes , a phenolic compound , an aldehyde and water . the compositions of this invention will form stable gels even in low salinity brines . also provided is a process for selectively plugging regions of higher permeability within an oil - bearing subterranean formation to improve sweep efficiency during a fluid flood oil recovery process using the gel - forming compositions of this invention .

there is provided a photocatalytic pulp composition having the antibacterial , bad smell degrading and harmful substance oxidatively degrading effects in various wide uses such as a filter material , a packaging material , a building material . a photocatalytic pulp composition is effectively used in the air treatment , the water treatment and the soil treatment and improves the photocatalytic activity effect itself . there is provided a photocatalytic pulp composition characterized in that 40 to 95 wt % of a pulp and / or a paper having the water content of 3 wt % or less , the average fiber diameter of 5 to 300 μm and the average fiber length of 0 . 1 to 70 mm is blended with 5 to 60 wt % of titanium oxide , and a photocatalytic pulp composition in which 25 to 100 wt % of a thermoplastic resin is blended relative to the total weight of titanium oxide , a pulp and / or a paper blended at the above ratio can be provided .

this invention relates to an improvement in an extruder with two press screws arranged coaxially in one another in an outer jacket and each carrying a screw thread for feeding various plastic materials , for example , granulated soap , to the press nozzle , where the outer screw is driven while the inner screw is stationary , and where the inner screw is in communication with the charging material in the area of the charging hopper through window - type openings in the outer screw . the said improvement involves a mixing element between the end of the press screws and the extrusion nozzle whereby the two strands being extruded are mixed .

a method for producing a recycled article involving the pouring molding of a molten waste plastic , which comprises a step of feeding two or more types of waste plastic including a material with contaminants , a printed matter , or a colored material to a melting device to melt them together , a step of pouring the molten resin into a preheated mold by its own weight to thereby mold the resin , a step of forcedly cooling the mold having the molten resin therein and the resin with cooling water , and then a step of releasing the resulting molded article . the method has accomplished the technique wherein two or more types of plastic , which may be stained , colored or printed , may have attached matters , and may be of any material , are molded by melting them and pouring the molten resin into a mold by its own weight .

for laminating layers consisting at least in part of thermoplastic films , in particular for producing identification cards , or the like , carrying information and / or data , a method is proposed where the blank , after having been introduced between pressing dies , is initially subjected to the pressure and heat required for complete lamination of the blank . heat dissipation is prevented during heating by the fact that cooling components are kept at a predetermined distance from the heating surfaces . during a subsequent transition from heating to cooling , the heating effect is terminated and cooling bodies are brought into contact with the pressing and heating components , for reducing the temperature of the completely laminated product .

manufactured hyaluronic acid products are used in numerous surgical applications including viscoelastic supplementation for the treatment of osteoarthritis , however , traditional sterilization techniques result in the breakdown of such high molecular o weight viscoelastic biopolymers and are thus unsuitable . disclosed are processes for obtaining concentrated sterile solutions of high molecular weight biopolymers such as hyaluronic acid . the processes include filter sterilization with a dilute preparation of the biopolymer , and concentration of the dilute filter sterilized biopolymer by ultrafiltration to a desired concentration .

a method of forming a porous material having improved compressive strength , includes forming an aerogel precursor that includes a polymer having a functional group capable of undergoing a crosslinking reaction dispersed in a dispersion medium . the precursor also includes a crosslinking agent . the aerogel precursor is frozen so that the dispersion is solidified , and freeze dried to sublime the dispersion medium and form the porous material . the crosslinking agent is reacted with the functional group to effect crosslinking , thus improving the compressive strength of the porous material .

a method and system for the production of fibers for use in biocomposites is provided that includes the ability to use both retted and unretted straw , that keeps the molecular structure of the fibers intact by subjecting the fibers to minimal stress , that maximizes the fiber &# 39 ; s aspect ratio , that maximizes the strength of the fibers , and that minimizes time and energy inputs , along with maintaining the fibers in good condition for bonding to the polymer used with the fibers to form the biocomposite material . this consequently increases the functionality of the biocomposites produced , increasing their marketability . additionally , as the disclosed method does not damage the fibers , oilseed flax straw , as well as all types of fibrous materials etc ., can be processed in bio composite materials .

a corrosion proof pressure transducer for measuring exhaust gas pressure includes a chip with a semiconductive diaphragm , electronics , and conductive pads thereon ; with leads sonically bonded to the pads . to preclude degradation of the transducer by internal combustion engine exhaust gases , the chip may have a thin glass passivation layer , a vacuum deposited polymeric coating and a layer of gel , thereon .

this invention relates to closing an open end of a pailette containing a biological element . the invention includes heating a dose of thermo - plastic material to a flowable condition and injecting the dose into the cold open end of the paillettes so that the material adheres to the inner wall of the paillette and solidifies to form a stable plug closing the end . the thermo - plastic material is preferably in the form of solid sticks . a valve in closing apparatus opens and closes communication with a reservoir containing the thermo - plastic material under pressure and defines a pre - determined volume for the dose . the invention is especially applicable to the production of paillettes for use in artificial insemination .

the present invention relates to an electrochemical enzyme biosensor for use in liquid mixtures of components for detecting the presence of , or measuring the amount of , one or more select components . the enzyme electrode of the present invention is comprised of an enzyme , an artificial redox compound covalently bound to a flexible polymer backbone and an electron collector .

a radially expandable segmented stent , the stent including annular metallic stent segments and connectors interconnecting each segment , the interconnectors are formed from a biodegradable polymer material .

a method to inhibit separation of an extruded thermoplastic polymer coating from a metallic alloy container body due to body forming operations . the container body and the extruded thermoplastic polymer coating are inductively heated causing the polymer to flow into the microsurface irregularities on the body interior surface which adheres the polymer to the body .

biodegradable anionic polymers are disclosed which include recurring polymeric subunits preferably made up of dicarboxylic monomers such as maleic anhydride , itaconic anhydride or citraconic anhydride . free radical polymerization is used in the synthesis of the polymers . the polymers may be complexed with ions and / or mixed with fertilizers or seeds to yield agriculturally useful compositions . the preferred products of the invention may be applied foliarly or to the earth adjacent growing plants in order to enhance nutrient uptake by the plants .

a mounting system for supporting elongate , metallic structural members used in offshore applications and subject to dynamic forces comprising a support assembly having a socket that at least partially encircles the structural member , an attachment for securing the support assembly to a positioned structure , such as an offshore platform , and a sleeve received in the socket , the sleeve being disposed in surrounding relationship to the structural member and comprising an electrically nonconductive , fiber - reinforced polymer composite .

the invention relates to tissue adhesives or sealants , more specifically to fibrinogen based sealants reinforced with particulate material and chemically cross - linked . more particularly , the present invention is directed to tissue sealant , adhesive , hemostat , or scaffolding material containing thrombin , fibrinogen , a biocompatible particulate material having amine functionality , and a biocompatible polymer containing aldehyde groups . the present invention is also directed to methods for the use of such materials .

a product dispense package suitable for employment in washing machines , comprises a stackable product container which includes a unitary molded recyclable thermoplastic container body having a closed bottom end , an opposed open top end and an upwardly and outwardly angled upstanding peripheral side wall having a stacking angle of from about 2 ° to about 7 ° and contained therein a compact block of detergent , cleaning agent , disinfectant and / or preservative having a powdery structure . the bottom end includes an inwardly and upwardly directed dome - shaped region therein including a handle grip portion defined in an outwardly facing side of the dome - shaped region .

this invention presents chemical and biological methods , processes and systems for purifying , reclaiming and / or recycling metal in aqueous solution . this invention presents methods , processes and systems for purifying , reclaiming and / or recycling : waste sludge from water purification plants , waste catalyst form polymer manufacturing plants and other waste aqueous metal streams , wherein said waste stream contains at least one metal in concert with bod and / or toc and / or cod . removal of at least one of : bod , toc , cod and any combination therein is accomplished via a biological reactor , wherein it is most preferred that an operating ph of 9 . 25 +/− 0 . 50 is maintained to maximize the insoluble oxide and / or hydroxide form of the metal , while minimizing the ionic form , toxic form , of the metal , thereby providing an environment which is conducive to biological activity . post biological reaction , metal are removed from aqueous solution with liquid / solids separation . post biological reaction bacteria are removed from aqueous solution with liquid / solids separation . in the most preferred embodiment , the metals from liquid / solids separation are recycled into coagulant manufacture .

a series of pneumatically controlled linear reciprocating actuators adjust the lateral spacing of a conveyor slot between opposed flanges of an air conveyor employed in conveying plastic bottles suspended by their neck rings in the conveyor slot to quickly change over the air conveyor for conveying plastic bottles of different neck and neck ring diameters .

a biosensor which electrochemically detects a material which relates to a reaction of a specific compound in a liquid sample with a biologically active substance or its related substance , in which the biologically active material or an optionally used mediator is placed at a part which is remote from a position of an electrode which acts as electrochemical detector means , and optionally the biological active material or the mediator is covered with a polymer layer .

a nylon resin multi - layer pipe excellent in adhesivity to a nylon resin joint including at least a layer containing a copolymerized nylon and a layer containing a nylon resin other than the copolymerized nylon of the layer wherein the surface in contact with the joint is the layer containing a copolymerized nylon and an adhesion method for adhering a nylon resin joint to the aforementioned nylon resin multi - layer pipe using a solvent adhesive are described .

the invention discloses ph - controlling devices that comprise a biodegradable polymer and a ph - controlling substance , particularly an alkaline , acidic or buffering agent . by way of example , such alkaline agents include calcium carbonate and sodium bicarbonate . methods of preparing such devices are also described . methods for enhancing biocompatibility of an implantable device are also provided , as neutralizing alkaline materials are released at a rate that offsets changes in ph typically observed as polymers degrade to various acidic or alkaline by - products . by way of example , biodegradable polymers include pla , pga , polycaprolactone , copolymers thereof , or mixtures thereof . a new technique is also disclosed to increase the surface porosity of porous implants which have a tendency to form relatively impermeable coverings . this technique entails the use of mechanical means to remove at least part of said covering , thus increasing the implant &# 39 ; s surface porosity and permeability .

described and claimed are biologically useful crosslinked copolymers of vinyl pyrrolidone and allylamine suitable for various preventative and therapeutic applications to intact or injured skin . coatings of these copolymers , either preformed or prepared in situ on the skin may deliver medicaments to the skin , may serve as an iontophoretic medium , may provide electrical contact with the body , may regulate or control moisture loss from injured integument . monolithic devices for the delivery of pharmaceutically active agents within living tissue may be formulated from these copolymers .

a fiber reinforced thermoplastic resin sheet which has no warpage , higher fiber orientation or randomized fiber orientation , manufactured by supplying a dispersion containing reinforcing fibers and a thermoplastic resin from an inlet onto a moving endless mesh belt and by continuously forming a web in the shape of a sheet while subjecting the dispersion to suction and filtration , is disclosed . the method and apparatus of manufacturing the same by means of controlling the speed ratio and the distribution of the suction amount of the aqueous medium are also disclosed .

a method for controlling the growth of destructive insects and microorganisms in ground soil , includes the step of adding chitin to ground soil for inducing bacteria in the ground soil to synthesize chitinase for controlling the spread of destructive insects and microorganisms therein . the chitin may be added to the ground soil by distributing it on the upper surface of the soil or , preferably , by incorporating into the soil . in a preferred embodiment , the step of deacetylating the carbohydrate chains of the chitin for is carried out before adding to the ground soil for increasing the aqueous solubility of the chitin by producing smaller polymeric units or by increasing the availability of polar hydroxyl groups on glucosyl moieties thereof . various bacterial cultures may also be added to the chitin prior to its distribution on , or incorporation in , the ground soil . a method for using dried shrimp shells for the production of an economically - viable non - genetically - modified organism - based chitinase lawn and garden fermentation broth , for eventual addition to ground soil for controlling the growth of destructive insects and microorganisms in ground soil , is also provided .

a method of producing a reinforced plastic profile with a uniform profile cross section , in which the transverse reinforcement is formed by a linked , knitted , sewn or woven tube . such a tube can be seamlessly formed continuously during the production of the plastic profile , which is preferably performed by pultrusion .

a plastic cap assembly has a base cap that can be installed on the neck of a container . within the base cap there is a pour spout that serves as a sealing pin , can be moved axially upwards and downwards , and is closed off at the top . on the base cap there is a screw cap that can be turned . the screw cap has a central opening in which the pour spout that serves as the sealing pin engages when in the closed position . the pour spout has an outside thread that engages with an inside thread beneath the central opening in the screw cap . the advantges of this cap assembly lie in its good sealing characteristics and in the fact that , provided with a suitable penetrator , it can be used on containers sealed with a membrane or a foil .

a method and equipment for manufacturing plastic cards , for example , credit cards and the like from a continuous layup including generally two plastic cover leaves and a printed insert . the plastic leaves to be heat sealed are fed through a plurality of press zones in which the lay - up is heated and subsequently cooled . the feed is performed by means of heat conducting , preferably metallic bands one of which carries pegs centrally disposed along its length which interengages with registration holes in the layup and a cooperating band to drive the bands and layup synchronously thorugh the press zones . its use is in the mass production of plastic cards .

in a plastic sheet having a plurality of creasing lines , each creasing line is formed of a groove having a narrow bottom surface and a pair of opposed side surfaces each slanting at a certain angle ; and a plurality of transverse grooves are disposed at a certain pitch in the longitudinal direction of the groove . each transverse groove is formed by two or more curved projections to have at least one narrow bottom surface extending in a direction substantially perpendicular to the longitudinal direction of the groove .

the inventive polyfunctional biocompatible hydrogel comprises 1 . 3 – 15 mass % of acrylamide , 0 . 004 – 0 . 975 mass % of cross - linking agents — n , n ′- methylen - bis - acrylamide , 0 . 004 – 5 . 1 mass % of n , n ′- ethylen - bis - acrylamide , 0 . 002 – 0 . 45 mass % of poviargol and water up to 100 mass %. said hydrogel is produced by sopolymerising acrylamide with the cross - linking agents in an aqueous medium in the presence of peroxide polymerisation initiator , the incubation of reaction mixture being carried out in two stages . the first stage is carried out at a temperature ranging from 20 to 90 ° c . during a time of 2 to 24 hours , the second stage being carried out at a temperature ranging from 107 to 130 ° c . during a time equal to or less than 2 hours .

a polishing pad for polishing semiconductors and other planar substrates in the presence of a slurry comprising abrasive particles and a dispersive agent is disclosed . the polishing pad includes a soluble component within a polymer matrix component . the soluble component includes particles soluble in the slurry sufficiently to provide a void structure in the polishing surface of the pad . the void structure enhances the polishing rate and uniformity by increasing the mobility of the abrasive particles while reducing scratching of the polished surface . additives that further enhance polishing and / or assist in the removal of residues generated during polishing , such as surfactants and removers , are optionally incorporated in the soluble particles or topographically coated on the soluble particles .

a flogger system includes a flogger handle and any number of detachable flogger heads . the flogger handle has a free end and a head end . the head end includes a connector portion . the flogger head has a falls end and a handle end . the falls end of the flogger head includes at least one fall , which can be made using any number of industrial materials , including metal materials , plastic materials , leather , rubber , synthetic fibers and natural fibers . the handle end of the flogger head includes a complementary connector portion that is complementary to the connector portion of the head end of the flogger handle . the connector and complementary connector portions are detachably securely connectable , and allow any of the detachable flogger heads to be attached to the flogger handle . when the connector and complementary connector portions are connected together , they securely attach the flogger head to the flogger handle .

a procedure for the production of a modified acrylic sheet with high impact resistance , of the type in which a prepolymerization is done of a mix of monomers with a polymer of dissolved dienic monomers . the procedure is done in batches at low temperatures without there being a separation of the polymer of dienic monomers from the rest of the mix . the procedure facilitates obtaining a modified acrylic sheet with high impact resistance whose transmittance is kept after being subjected to an accelerated degradation , and whose impact properties are not reduced more than 50 % after said accelerated degradation .

a lower die or nest apparatus is described to create a hemming environment that locates and holds a metal panel to a frame using suction in a manner that substantially resists said loads on the panel without damage or deformation . the vacuum nest includes a frame made of a rigid material with an outer work surface and an interior region with a sealed elongated channel shaped to the contour of the metal panel . a polymeric rope is inlayed within a groove formed in the interior region to form the sealed elongated channel . a support member may be formed within the channel by inlaying additional polymeric ropes into grooves formed within the channel . a vacuum source is fluidly coupled with the sealed elongated channel to create a downward force by evacuating the volume of the channel .

a composite roof bow includes a flexible plastic segment and a rigid reinforcing segment . in another aspect of the present invention , the flexible plastic segment is insert molded to the reinforcing segment . in another aspect of the present invention , the flexible segment is predominately unfilled plastic and the reinforcing segment is filled plastic , which are attached together to create a generally rigid roof bow .

the invention relates to a sealing connecting element , a sealing end piece and a seal . in practice different seals are known which are produced as three dimensional structures and then given to the customer . the production , wherein profile strips are ready - made by cutting and adhesion to form the three dimensional structures or wherein the three dimensional structure is obtained by means of corner injection molding , is very costly . in order to simplify the production of seals , it is provided in accordance with the invention that sealing connecting elements and / or sealing end pieces are to be produced as separate molded parts made of a thermoplastic elastomer and these molded parts to be connected , shortly before the installation of a seal , to sealing profile strips to form a complete seal .

a method of stripping cured paint from automotive plastic substrates . a paint stripping composition consisting bromide , an evaporation inhibitor and at least one additive to accelerate stripping performance . the method utilizes a mixture that can be applied at temperatures of ambient to 200 degrees f . the invention may be utilized in an immersion tank or thickened and applied by spray , brush , roller , cloth or scraper or applied in a vapor degreaser machine . more specifically , a paint stripping method invented to salvage , recover and recycle reject or sometimes - called paint - rework automotive plastic parts , intact , without adversely affecting the parts substrate or form .

a broad new class of reagents permits extremely sensitive and specific assay for , or chemical separation of , a broad range of biological and nonbiological substances . each reagent consists of a suspension of microscopic carrier material particles , each particle bearing tracer material - fluorescent , radioactive or otherwise - and a coating of biological homologue , that is , antibody , antigen , or portions or equivalents thereof , for the substance whose assay is desired . the latter substance if introduced into the suspension links the particles together in pairs or clumps , which may be sensitively and accurately detected by monitoring the tracer . the carrier is preferably partially hydrolyzed polyacrylamide resin , or in appropriate applications acrylic acid and other derivatives thereof , and other polymers including agar , and the coupling effected by covalent bonding . other embodiments , including various mechanical forms of carrier , for greater ease of handling and separation , are also described .

a composite product characterized in that said product is produced and prepared by a continuous process comprising mixing water permeated municipal solid waste with a municipal solid waste solidification reagent , wherein said solidification reagent initiates a polymerization reaction with the waste and the polymerization reaction forms a rigid polymer matrix therein . in addition , the polymer matrix also expands in volume during the polymerization reaction to form a foamed , environmentally stable , recycled composite product .

a container is formed by a single side wall wrapped around to complete an enclosed space . the package is produced with a barrier board including co - extruded polymers , mono - extruded polymers and / or films . the package may or may not have raw edge protection . the container uses a paperboard cup technology to create a bottom . the packages will be able to easily hold 64 and 96 fluid ounces and use a design very different from the conventional gable top container . the paper packages produced will cost less than plastic packages made with barrier materials .

an apparatus and method for forming foundry cores and molds of superior hardness and uniformity in a wide range of sizes includes staging hoppers for storing a first mass of sand coated with a catalyst - polymerizable resin film , and a second mass of sand coated with a catalyst film for polymerizing the resin . in forming the cores or molds these masses are evenly dispersed into a high velocity carrier air - sand stream and directed through a static mixer , wherein the resin and catalyst - coated sand particles are intermingled and at least a partial integration of the films takes place , into a shaping mold cavity , wherein the sand mixture hardens into a desired shape . control circuitry is provided to independently control the dispersal of the catalyst and resin sand masses to enable the system to be fine tuned to produce cores of improved quality and uniformity .

a three - dimension ornamental article is disclosed . the member comprises a plasticizing layer coated onto a substrate , an electroplated layer covered the plasticizing layer and an adhesion layer , wherein the plasticizing layer is epoxy resins or plastics . the base paper is a patterned layer and the circumferential edge of the patterned layer has dotted scored lines , facilitating the peeling off of the ornamental article .

the invention relates to synthetic hybrid rock compositions , articles of manufacture and related processes employing mineral waste starting materials such as mine tailings , mine development rock , ash , slag , quarry fines , and slimes , to produce valuable articles of manufacture and products , which are characterized by superior physical and structural characteristics , including low porosity , low absorption , increased strength and durability , and retained plasticity . the resulting materials are compositionally and chemically distinct from conventional synthetic rock materials as demonstrated by scanning electron microprobe analysis , and are useful in a wide variety of applications , particularly with respect to commercial and residential construction .

the invention concerns a method and a device for decorating objects made of a material such as glass or metal , which consists in coating at least part of the surface of said objects with a substance adapted to form patterns during polymerization . the method is characterized in that it consists in : drying and dusting said objects by blowing ; conditioning said objects so as to place them in specific physical conditions , for a certain time interval ; applying , on the surface of each of said objects , said polymerizable substance ; placing said objects in an environment suitable for their polymerization by drying while forming the desired patterns .

a process for producing structures includes : cutting a transverse groove in a panel ; introducing a plastic material into the groove ; applying an imprint to the panel ; cutting v - shaped grooves in the panel and folding the panel to form a structure . the plastic material is initially free - flowing and subsequently solidifying . the plastic material forms a hinge which may be flush with the panel or project beyond the panel .

a display device can be capable of suppressing electromagnetic interference and be easily disassembled into pieces of different materials such as plastics and metallic materials . a duct is formed in a part of a plastic frame and a shielding case having resilience is pressed from above into position on the duct . furthermore , modules are attached on the frame , which is then mounted to the body of the device . thus , the lower part of the shielding case contacts the metallic bottom chassis to thereby shield cables of a front module . thus , the plastic material of the front module and the metallic material of the cable shielding case and others , being separable into different pieces , can easily be recovered for recycling purposes .

novel formulations useful for thyroid hormone replacement and suppression therapy are described herein . while dosage formulations containing iodinated thyronines , levothyroxine sodium or liothyronine sodium , as the active pharmaceutical ingredient dispersed in a polymeric solid are known , manufacturing such formulations with acceptable dose content uniformity is difficult due to the high biological activity of t4 and t3 . described herein is the preparation of a single api formulation containing both t4 and t3 in a pharmaceutically effective ratio , wherein the dose content uniformity is the same for t3 as for t4 even if the t3 dose is extremely low . the present invention provides a method for the preparation of an api wherein t3 is uniformly distributed within the crystal lattice of t4 to form a solid solution by cooling suitable solutions of levothyroxine sodium and liothyronine sodium , a pharmaceutical composition containing such an api , and a method to use such an api in the treatment of thyroactive disorders .

a method and apparatus is disclosed for affixing a cover layer formed of liquid crystal polymer to a flex circuit consisting of circuit elements mounted to a liquid crystal polymer substrate in order to encapsulate the circuit elements between the cover layer and substrate to protect them from exposure to moisture and contaminants .

a rotary knife for a granulator having a two - piece design comprising a blade holder and a removable blade , the blade holder having a v - shaped saddle for holding the removable blade aligned . the v - shaped saddle having a flat surface for absorbing the shock of force transmitted by the blade shearing plastic and other materials for recycling and reuse .

a system for controlling the percent of polymer in a reactor in a process in which the reactor effluent , comprising a mixture of polymer , unreacted materials and , possibly , by - products , goes through a separator to remove from such effluent unreacted materials and by - products . the system is especially useful with variable fillage , horizontal continuous stirred tank reactors .

an insert - molded suture anchor with a biodegradable polymer body in which a loop of suture is totally contained within the polymer . the suture anchor body features a drive end that is shaped to be received into a recess in the end of a hand driver . anchoring ribs are formed along the remaining length of the anchor . the loop of suture which includes and eyelet for attaching a suture strand is totally embedded within the anchor body during the insert - molding fabrication process . the anchor is produced by placing the suture in an injection mold , and injecting biodegradable polymer into the mold .

the invention relates to extracorporeal methods of analyzing the presence or absence of mutations which cause familial hypercholesterolemia . the inventive methods describe the way in which said mutations can be detected using a dna sample from an individual and comprising the following : chain reaction of the polymerase with primers which are complementary to the low - density lipoprotein receptor gene ; analysis of the amplified product by sequencing ; restriction analysis ; single strand conformation polymorphism techniques ; heteroduplex analysis and analysis of a device on top of a biochip glass support on which oligonucleotide probes are disposed , which can be used to detect the aforementioned mutations in the dna .

the present invention relates to a process for separating two or more components of a plastic material for the purposes of recycling , with particular application to purifying poly during recycling procedures . the process comprises contacting a quantity of the plastic material with one or more discrete pre - heated particles .

the instant invention involves the use of a combination of preparatory steps in conjunction with mass spectroscopy and time - of - flight detection procedures to maximize the diversity of biopolymers which are verifiable within a particular sample . the cohort of biopolymers verified within such a sample is then viewed with reference to their ability to evidence at least one particular disease state ; thereby enabling a diagnostician to gain the ability to characterize either the presence or absence of said at least one disease state relative to recognition of the presence and / or the absence of said biopolymer , predict disease risk assessment , and develop therapeutic avenues against said disease .

a contaminate separation apparatus for use in separating contaminant materials from cellulose and / or paper fibres in a paper recycling process includes a reservoir for receiving a waste paper slurry therein . the reservoir is provided with an inlet opening for the input of the slurry , one or more fibre discharge outlets or passages , and at least one waste outlet positioned vertically above the fibre discharge outlet opening . an agitator provided in a lower portion of the reservoir generates differential flow currents within the reservoir , to selectively divert plastics , waxes , adhesives and / or other sticky waste materials outwardly towards the waste outlet , while providing a flow of suspended paper and / or cellulose fibres to one or more of the fibre discharge outlets .

a method for extruding a thermoplastic polymer / wood fiber composite utilizes styrene acrylonitrile as the principal thermoplastic component . acrylonitrile butadiene styrene is used as a stiffener and modifier to prevent degradation of a foaming agent &# 39 ; s efficacy . the method of the invention and the extrusion produced by the inventive method are particularly applicable to extrusions having high aspect ratio cross - sectional shapes and extrusions in which the ratio of wall thickness to interior volume is large .

a compressing device for plastic bottles optimized for recycling machines providing carefully shaped first and second plates with one being generally convex while the other being concave so as to mate more completely and provide a flattened bottle , ready for recycling . also , a tail serves to align the bottom of the bottle so that the bar code remains visible when the bottle is run through an automated recycling machine . there are two embodiments one has as component a stand and a tongue while another embodiment is without a stand and has a hingedly movable tail . also , the tongue and the tail are configured and shaped so as to accept a variety of bottle bottom configurations and are also used for precisely aligning the bottom of the bottle for improving the way the bottle is compressed .

a multi - layered plastic body for containing , storing or conducting a medical , diagnostic , pharmaceutical , cosmetic or other product , the plastic body including a first layer made of a stress fracture resistant plastic material , and at least a second layer adjacent to the first layer and made of a plastic material exhibiting a lower resistance to stress fractures than the first plastic material . the invention encompasses a suitable method of making the body .

methods are disclosed for preparing biologically active protein conjugates using negatively charged polymers that protect the protein within the conjugate so that it retains a substantial amount of its biological activity following conjugation . the invention also includes novel protein conjugates prepared by those methods .

among natural mechanisms of cell deaths , disease or toxicity , one of the most common method is through overloading of certain biological metals such as calcium , iron and zinc . we propose to utilize this natural mechanism of cell death against cancer by utilizing the well known phenomenon of enhanced permeation and retention effect and metal - binding nanoparticle moieties that can self - degrade under certain biological conditions such as ph . more specifically , we show that one can form nanoparticles that consist of polymerized citric acid and various different types of metals including , but not limited to , iron , calcium , zinc , silver and magnesium , displaying acid - stability and self - degradation leading to constituent metal release when ph rises closer to the neutral ph of 7 or higher . we also show that these nanoparticles with different metal compositions have distinct cytotoxicity against various different types of cancer cell lines , including b16f10 melanoma , h460 human lung cancer , t98g kidney cancer , ramos leukemic cancer , etc . in vitro . we also show evidence of in vivo anti - cancer activity of our nanoparticles containing various different metals using mouse model studies .

an imr / imf making method using a digital printer printing and pre - forming technique is disclosed to employ a digital printing technique to prepare a release layer , a protective wear - resistance layer , an ink pattern layer , a metal pattern layer and a bonding layer . in - mold roller or in - mold forming film is shaped and then molded on a plastic material through an injection - molding or pressure - casting technique so that the finished product is obtained after release from the mold and removal of the outer base layer . further , shaped in - mold decoration film is put in an injection - molding mold or pressure - casting mold for molding and then the molded product is cut into the desired shape , finishing the fabrication . trimming process may be applied to the shaped in - mold forming film before injection molding or pressure casting .

a method and system for use in forming arched openings in both concrete block and wood frame building construction . in block construction the present invention provides for the use of monolithic plant pre - cast and reinforced concrete header and arched filler combination units that is load - bearing , and in wood frame construction the present invention provides for the use of non - load - bearing pre - formed arch - filling members that could be made from recycled plastic attached to or including a lintel for overlaying the surrounding wall frame . use of the present invention would eliminate the need for labor - intensive post and beam type headers with a site - built wooden arch and thereby reduce the on - site costs currently associated with site installation of windows and doors having an arched upper perimeter . the materials from which the present invention is made would determine its load - bearing capacity . in addition to having a labor saving advantage , the method of the present invention is also costs - efficient by eliminating material waste that results from materials being incorrectly measured and cut on a job site . applications may include , but are not limited to , use in more rapidly , cost - efficiently , and easily forming openings for windows and doors having an arched upper perimeter in both residential and commercial construction .

a device for manufacturing tubular fibre includes an extrusion head through which a polymer and a biologically active material flow . the biologically active material is encapsulated within compartments formed in the fibre . partial solidification is caused by structure , such as a coagulation bath , adjacent the extrusion head . this prevents breakage of the fibre as it leaves the head .

a lightweight , unitary plastic pallet adapted for handling heavy powder loads . the pallet has a substantially rigid lower deck , a flexible , reinforced and continuous upper deck adapted to deflect against the lower deck under load , and a plurality of integral legs permitting forklift transport of the pallet .

a degradable polymer composition having an ethylene - carbon monoxide copolymer only in an amount sufficient to provide a total of substantially about 0 . 005 to 0 . 05 percent by weight of co in the composition ; and a low density polyethylene .

the invention relates to apparatus for producing a microwave plasma for the treatment of substrates , and in particular for the plasma polymerization of monomers for coating substrates . the apparatus consists of a reaction chamber with a carrier for conveying the substrates and a way for maintaining an atmosphere of ionizable gases and monomers . the apparatus also has a first and at least one second wave - guide structure which are arranged at opposite acute setting angles to the surface of the substrate carrier and are each connected at one end to a microwave transmitter by way of a hollow conductor . thus , the treatment intensities , i . e . the rates of deposition , are superposed , and this leads to greater uniformity in the properties of the product . the apparatus may also include angling the wave - guide structures toward each other and staggering crossbar structures in the wave - guides for further improvement .

a lightweight plastic pick up truck box for use on street grade , light - duty pick - up trucks . it is another aspect of the present invention to provide a plastic pick up truck box with a light - duty truck dumping mechanism for pick - up trucks utilizing plastic molded truck box beds , with the tilting mechanism being used to dump the contents out of the pick - up truck box bed . another embodiment of the invention includes a double - folding tailgate / ramp which can be utilized to extend to the ground in order to allow for easy carrying and loading of a pick - up box . the combination of the plastic molded pick - up truck box bed having inserts therein with a hydraulic stanchion support and dumping mechanism yields a light - duty truck which can be used for dumping . although in its most simple form , a singular stanchion and hydraulic dumping mechanism may be utilized , more than one stanchion and hydraulic lifting mechanism may also be utilized .

a bioabsorbable synthetic polymer is exposed to a gas plasma in a chamber at a pressure substantially below atmospheric for a sufficient time to increase the hydrophobicity and / or cross - linking density of a surface layer thereof and thereby modify the rate at which the polymer will hydrolyze . an accordingly modified polymer is useful for surgical implants and wound closures .

a method of processing metal , metallic alloys , and metal matrix composites in a plastics injection molding machine is disclosed . the method includes the steps of providing a plastics injection molding machine having a screw . a step of removing the screw is included in the method . a step of replacing the screw with a modified screw configured and arranged for processing metals is also included . alternatively , a step of removing the flights from the middle portion of the original screw shaft may be included .

the invention concerns a grinding machine having displaceable grinding means for the processing of workpieces made from wood , wood composite materials , plastics , metals and similar materials . the invention further concerns a method of grinding a workpiece by means of the inventive grinding machine . the grinding aggregate comprises : at least one translational driving means configured to translate the grinding means and at least one eccentric tappet configured to rotatingly move the grinding means . the inventive device is characterized in that the grinding aggregate comprises a suctioning device which suctions waste products of the processing , such as chips , through the grinding means . in this way , it is possible to achieve a qualitatively superior grinding result .

the invention relates to a device for welding profiled parts , in particular plastics profiled parts , having at least one welding head that can be positioned in a predetermined or predeterminable target welding position relative to another welding head and / or relative to a holding device . according to the invention the welding head and / or a part of the welding head , that comprises at least one heating element , such as a heating plate , for melting the profiled parts , can be positioned and / or is movable in accordance with at least one dimensional variation of at least one of the profiled parts from a target dimension in a spatial tolerance range around the target welding position .

an antianginal composition in the form of a plate is provided for treating ischemic heart disease and is comprised of a biologically soluble and resolvable film and an antianginal coronary vasodilating nitrate . this film is placed buccally on the gum or mouth mucosa for rapid arresting or prevention of angina pectoris attacks . the antianginal film is in the form of a plate , 0 . 1 to 1 . 5 mm thick , consisting of a biologically soluble and resolvable carrier . preferably , the film is comprised of a homoploymer of acrylamide or vinylpyrrolidone , or a copolymer thereof with acrylate , containing from 99 to 70 percent by weight of acrylamide with vinylpyrrolidone and from 1 to 30 percent by weight of acrylate having a molecular mass from 50 , 000 to 1 , 000 , 000 , and the active principle having antianginal action , the components being taken in the following proportions , in percent by weight : ______________________________________ active substance having 3 . 0 - 30 . 0antianginal actionbiologically soluble and 70 . 0 - 97 . 0resolvable carrier______________________________________

the invention provides an ostomy bag assembly including an outer bag and an inner bag secured to one side of a flange . the inner bag is removable to facilitate disposal . the flange has a polymeric backing film and a layer of bioadhesive for securing the ostomy bag assembly to the body of a patient . the flange includes an orifice to enable bodily waste to be received by the inner bag . the outer bag is detachably bonded to a first attachment zone on the flange and the inner bag is secured to a second attachment zone on the flange . the outer bag is mounted to the flange by an annular bonding element is formed from a multilayer polymeric material comprising first and second ethylene vinyl acetate layers and a polymeric support layer interposed there between . a method of fabricating ostomy bags is also provided .