the present invention describes a new aliphatic polyoxaesters and blends thereof that may be used to produce surgical devices such as sutures , sutures with attached needles , molded devices , and the like . the invention also contemplates a process for producing these polyesters . the aliphatic polyoxaesters of the present invention have a first divalent repeating unit of formula i : -- c -- o ---- o -- c -- c - -] i and a second repeating unit selected from the group of formulas consisting of : . sub . a , ii --]. sub . b , and iii ]. sub . p -- o --). sub . l g xi and combinations thereof . these aliphatic polyoxaesters may be blended with other polymers which are preferably biocompatable .