发明名称 |
Controlled release compositions with zero order release |
摘要 |
Pharmaceutical compositions for controlled release of water soluble drugs are disclosed. The compositions comprise a tablet core containing the drug and a water insoluble polymeric matrix surrounded with a rate controlling membrane coating.
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申请公布号 |
US4892742(A) |
申请公布日期 |
1990.01.09 |
申请号 |
US19850799229 |
申请日期 |
1985.11.18 |
申请人 |
HOFFMANN-LA ROCHE INC. |
发明人 |
SHAH, NAVNIT H. |
分类号 |
A61K9/20;A61K9/22;A61K9/28;A61K9/36 |
主分类号 |
A61K9/20 |
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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