Patent ID: 6476156
Filing Date: 2002-11-05
Classification: C08G,C08L

Abstract:
A biodegradable triblock copolymer selected form the group consisting of copolymers of formulae (1) to (4):PEG-COO-PL-OCO-PEGâ€ƒâ€ƒformula 1, PEG-COO-PG-OCO-PEGâ€ƒâ€ƒformula 2, PEG-COO-(PL/PG)-OCO-PEGâ€ƒâ€ƒformula 3, PEG-COO-PCL-OCO-PEGâ€ƒâ€ƒformula 4; whereinPEG is polyethyleneglycol; PL is polylactide; PG is polyglycolide; and PCL is polycaprolactone.