( ( ( Mylar & ) reg ) ( ; ( ( is ( ( a trademark ) ( of ( DuPont ( for ( ( its brand ) ( of ( polyester ( thick film ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (NNP Mylar) (CC &) (NNP reg)) (: ;) (VP (VBZ is) (NP (NP (DT a) (NN trademark)) (PP (IN of) (NP (NP (NNP DuPont)) (PP (IN for) (NP (NP (PRP$ its) (NN brand)) (PP (IN of) (NP (NN polyester) (JJ thick) (NN film))))))))) (. .)))
Mylar&reg; is a trademark of DuPont for its brand of polyester thick film.
(ROOT (S (NP (NP (DT The) (NN name)) (PP (IN of) (NP (NP (NN film)) (SBAR (IN that) (S (NP (NN polyester) (NNS fibers)) (VP (VBP form))))))) (VP (VBZ is) (ADJP (JJ mylar))) (. .)))