发明名称 |
CONTROLLED-RELEASE OF AN ACTIVE SUBSTANCE INTO A HIGH FAT ENVIRONMENT |
摘要 |
A controlled release delivery composition which can be administered to a hig h fat use environment such as the human gastrointestinal tract following a hig h fat meal. The delivery composition is embodied as a core surrounded by an asymmetric polymeric membrane. In a preferred embodiment, the asymmetric polymeric membrane is cellulose acetate.
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申请公布号 |
CA2508722(A1) |
申请公布日期 |
2004.06.24 |
申请号 |
CA20032508722 |
申请日期 |
2003.11.28 |
申请人 |
PFIZER PRODUCTS INC. |
发明人 |
NIGHTINGALE, JAMES ALAN SCHRIVER;FRIESEN, DWAYNE THOMAS;OKSANEN, CYNTHIA ANN;WEST, JAMES BLAIR;HERBIG, SCOTT MAX;CHIDLAW, MARK BRIAN |
分类号 |
A61K9/00;A61K9/20;A61K9/28;A61K9/36;A61K31/137;A61K31/4985;(IPC1-7):A61K9/36;A61K31/00;A61K31/135;A61K31/495 |
主分类号 |
A61K9/00 |
代理机构 |
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