Patent ID: 8263704

Claim:
A bioabsorbable macromer composition of the formula selected from the group consisting of R 1 -[A] v -R 2 —R 3 (IV) and R 3 —R 2 -[A] v R 1 -[A] v -R 2 —R 3 (V) wherein R 1 comprises a lipid segment selected from the group consisting of phosphoryl choline, phosphatidyl choline, phosphatidyl ethanolamine, phosphatidyl inositol, phosphatidyl glycerol, phosphatidyl serine, phosphatidic acid, lysophosphatidyl choline, lysophosphatidyl ethanolamine, lysophosphatidyl glycerol, lysophosphatidyl serine, lysophosphatidic acid, PEG-phosphatidylethanolamine, PVP-phosphatidylethanolamine, sphingosine, aminosphingosine, and combinations thereof, R 2 comprises a polymer selected from the group consisting of polysaccharides and polyols, R 3 comprises a functional component selected from the group consisting of isocyanates, succinimides, aldehydes, and combinations thereof, A is a bioabsorbable group, and v is a number from about 1 to about 20.