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.
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 代理人
主权项
地址