| 发明名称 |
CONTROLLED RELEASE DOSAGE FORM COMPRISING DIFFERENT CELLULOSE ETHERS |
| 摘要 |
A dosage form is disclosed comprising a low number average molecular weight hydroxypropylmethylcellulose, a high number average molecular weight hydroxypropylmethylcellulose, and a beneficial drug.
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| 申请公布号 |
CA1336070(C) |
申请公布日期 |
1995.06.27 |
| 申请号 |
CA19890609648 |
申请日期 |
1989.08.29 |
| 申请人 |
ALZA CORPORATION |
发明人 |
EDGREN, DAVID E.;MAGRUDER, JUDY A.;BHATTI, GURDISH K. |
| 分类号 |
A61K9/20;A61K9/24;(IPC1-7):A61K47/38 |
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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