| 发明名称 |
Controlled-release oral dosage forms comprising different cellulose ethers. |
| 摘要 |
<p>A dosage form is disclosed comprising a low number average molecular weight hydroxypropylmethylcellulose, a high number average molecular weight hydroxypropylmethylcellulose, and a beneficial drug.</p> |
| 申请公布号 |
EP0413061(A1) |
申请公布日期 |
1991.02.20 |
| 申请号 |
EP19890308220 |
申请日期 |
1989.08.14 |
| 申请人 |
ALZA CORPORATION |
发明人 |
EDGREN, DAVID EMIL;MAGRUDER, JUDY A.;BHATTI, GURDISH KAUR |
| 分类号 |
A61K9/00;A61K9/22;A61K9/20;A61K9/24;A61K9/26;A61K47/00;A61K47/38 |
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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