Patent ID: 7795467

Claim:
A composition comprising: an A-moiety derived from a diisocyanate; a B-moiety derived from a chain extender; and a C-moiety derived from a biobeneficial moiety selected from the group consisting of poly(ethylene glycol), poly(propylene glycol), polyethylene oxide, PEO-PPO surfactants, PLURONIC surfactants, poly(tetramethylene glycol), amino-terminated PEG, hydroxy functional poly(vinyl pyrrolidone), dextran, dextrin, sulfonated dextran, dermatan sulfate, Silk-elastin protein block-copolymers, sodium hyaluronate, hyaluronic acid, poly(2-hydroxyethyl methacrylate), dihydroxy poly(styrene sulfonate), poly(3-hydroxypropyl methacrylate), poly(3-hydroxypropyl methacrylamide), poly(alkoxy methacrylates), poly(alkoxy acrylates), polyarginine peptides (PAP), phosphoryl choline, heparin, chondroitin sulfate, glycosaminoglycans, chitosan, polyethylene oxide, or any combination of these; wherein: the composition comprises one of the following formulas: wherein x, x′, x″, and x′″ are integers from 1-50,000; A, A′, A″, and A′″ independently represent A-moieties; B, B′, B″, and B′″ independently represent B-moieties; and C and C′ independently represent C-moieties.