| 发明名称 |
COPOLYMER AND METHOD FOR PRODUCING THE SAME |
| 摘要 |
A copolymer of lactic acid and glycolic acid which has a weigh-average molecular weight of not less than about 5000 and a dispersity of about 1.5 to 2 is advantageously used as a biodegradable polymer for medical preparation.
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| 申请公布号 |
BG61520(B2) |
申请公布日期 |
1997.10.31 |
| 申请号 |
BG19940098460 |
申请日期 |
1994.02.11 |
| 申请人 |
TAKEDA CHEMICAL INDUSTRIES LTD |
发明人 |
TANAKA, MOTOAKI;OGAWA, YASUAKI;MIYAGAWA, TSUTOMU;WATANABE, TOSHIO |
| 分类号 |
A61K9/16;C08G63/06;(IPC1-7):C08G63/06 |
主分类号 |
A61K9/16 |
| 代理机构 |
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