发明名称 |
METHOD FOR PRODUCING POLYESTERS FROM HYDROXYCARBOXYLIC ACIDS AND POLYOLS BY POLYCONDENSATION |
摘要 |
The invention relates to a method for producing polyesters from hydroxycarboxylic acids and polyols by means of polycondensation. The produced polyesters are particularly suitable for use in the production of pharmaceutical formulations which are used to slow down the release of a pharmaceutical composition. |
申请公布号 |
WO02072662(A1) |
申请公布日期 |
2002.09.19 |
申请号 |
WO2002EP02413 |
申请日期 |
2002.03.06 |
申请人 |
SCHWARZ PHARMA AG;LI, YOUXIN;SEIFFERT, TIM |
发明人 |
LI, YOUXIN;SEIFFERT, TIM |
分类号 |
A61K9/16;A61K9/52;C08G63/00;C08G63/06;C08G63/60;C08G63/664;C08G63/78 |
主分类号 |
A61K9/16 |
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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