Thermosensitive biodegradable copolymer

Details Thermosensitive biodegradable copolymer Thermosensitive biodegradable copolymer

2007-02-20

2007-02-20

Peng, Kuo-Liang (Department: 1712)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S415000, C525S417000

Reexamination Certificate

active

10721877

ABSTRACT:
A thermo-sensitve copolymer of following formula;is disclosed; wherein R1is hydrogen, or —C(═O)—R2; R2is C7-30alkyl substituted or unsubstituted with functional groups; R3is hydrogen, or C1-6alkyl; and x, y or z individually is an integer greater than 0. The thermo-sensitive copolymers disclosed here are easy to be implanted into a human body through injection. The biodegradability is greatly improved and the cytotoxicity of the copolymers is low.

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patent: 2005/0201972 (2005-09-01), Seo et al.

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