发明名称 |
BIODEGRADABLE POLYMERS BASED ON NATURAL AND RENEWABLE RAW MATERIALS, ESPECIALLY ISOSORBITE |
摘要 |
The invention relates to biodegradable polycondensates, to the production of said polycondensates, and to their use for releasing specific substances. The polycondensates are derived from at least three components chosen from the following group: a) dianhydrohexites b) bivalent (polyvalent) organic carboxylic acids and c) polyvalent organic carboxylic acids which, in addition to two carboxylic acid functions, have at least one other, optionally capped, i.e. OH and/or COOH function.
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申请公布号 |
CA2324279(A1) |
申请公布日期 |
1999.09.10 |
申请号 |
CA19992324279 |
申请日期 |
1999.02.20 |
申请人 |
AXIVA GMBH |
发明人 |
BOHN, GITTE;WEIS, SIEGFRIED;SCHONFELD, AXEL;BENGS, HOLGER;CLAUSS, JOACHIM |
分类号 |
C08G63/12;A61K47/34;C05G3/00;C08G63/60;C08L101/16;(IPC1-7):C08G63/60 |
主分类号 |
C08G63/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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