| 发明名称 |
LOW MOLECULAR WEIGHT POLYLACTIC ACID POLYMERS |
| 摘要 |
The invention relates to a procedure for purifying low molecular weight polylactic acid polymers by use of low temperature phase separation of the polymers in methanol, ethanol or isopropanol based solvents, compositions comprising the polymers and methods of using the same.
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| 申请公布号 |
CA2563957(A1) |
申请公布日期 |
2005.11.10 |
| 申请号 |
CA20052563957 |
申请日期 |
2005.04.25 |
| 申请人 |
AMGEN INC. |
发明人 |
HUANG, YUJIN;GOLDENBERG, MERRILL SEYMOUR;GU, JIAN HUA |
| 分类号 |
C08G63/08;A61K9/14;A61K9/16;A61K9/50;A61K31/765;A61K47/34;C07C7/00;C08G63/90 |
主分类号 |
C08G63/08 |
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