| 发明名称 |
Controlled release tablet |
| 摘要 |
The rate of release of medicament from a controlled release tablet having a polymeric vinylpyrrolidonecarboxyvinyl hydrophilic core is improved by coating the medicament-containing core with a substantially insoluble rupturable film which is water permeable.
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| 申请公布号 |
US4252786(A) |
申请公布日期 |
1981.02.24 |
| 申请号 |
US19790095036 |
申请日期 |
1979.11.16 |
| 申请人 |
E. R. SQUIBB & SONS, INC. |
发明人 |
WEISS, AARON L.;WALTON, RICHARD W.;DE LORIMIER, ALBERT E. |
| 分类号 |
A61K9/20;A61K9/22;A61K9/28;(IPC1-7):A61K9/22;A61K9/24;A61K9/32;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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