| 发明名称 |
Controlled release pharmaceutical preparation and method for producing the same. |
| 摘要 |
<p>Disclosed is a controlled release pharmaceutical preparation, comprising a core containing a pharmaceutically active ingredient, and a porous film of a hydrophobic polymeric substance or a hydrophobic polymeric substance and a hydrophilic polymeric substance, the core being coated with the porous film. Also disclosed is a method for producing the same.</p> |
| 申请公布号 |
EP0335560(A2) |
申请公布日期 |
1989.10.04 |
| 申请号 |
EP19890302767 |
申请日期 |
1989.03.21 |
| 申请人 |
TANABE SEIYAKU CO., LTD. |
发明人 |
SAMEJIMA, MASAYOSHI;NODA, KAZUO;HIRAKAWA, YOSHIYUKI;YOSHINO, HIROYUKI |
| 分类号 |
A61K9/22;A61K9/28;A61K9/32;A61K9/36;A61K9/50;A61K9/52 |
主分类号 |
A61K9/22 |
| 代理机构 |
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代理人 |
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| 主权项 |
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