发明名称 |
HYDROGEL-DRIVEN DRUG DOSAGE FORM |
摘要 |
A controlled release dosage form has a coated core with the core comprising a drug-containing composition and a water-swellable composition, each occupying separate regions within the core. The coating around the core is water-permeable, water-insoluble and has at least one delivery port therethrough. A variety of geometric arrangements are disclosed. |
申请公布号 |
PL360658(A1) |
申请公布日期 |
2004.09.20 |
申请号 |
PL20010360658 |
申请日期 |
2001.08.03 |
申请人 |
PFIZER PROD INC |
发明人 |
APPEL LEAH ELIZABETH;BABCOCK WALTER C;BEYERINCK RONALD ARTHUR;CHIDLAW MARK BRIAN;CURATOLO WILLIAM JOHN;FRIESEN DWAYNE THOMAS;HERBIG SCOTT MAX;THOMBRE AVINASH GOVIND |
分类号 |
A61K9/00;A61K9/20;A61K9/22;A61K9/24;A61K31/135;A61K31/353;A61K31/4178;A61K31/4422;A61K31/496;A61K31/519;A61K31/5377;A61K47/02;A61K47/10;A61K47/12;A61K47/16;A61K47/26;A61K47/30;A61K47/34;A61K47/36;A61K47/38;A61K47/42 |
主分类号 |
A61K9/00 |
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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