发明名称 |
CONTROLLED RELEASE DEVICE WITH AN IMPERMEABLE COATING HAVING AN ORIFICE FOR RELEASE OF DRUG |
摘要 |
<p>Controlled release devices having a core including an active agent and an outer coating which is substantially impermeable to the entrance of an environmental fluid and substantially impermeable to the release of the active agent during a dispensing period allow the controlled release of the active agent through an orifice in the outer coating.</p> |
申请公布号 |
GB2222948(B) |
申请公布日期 |
1993.02.03 |
申请号 |
GB19890019448 |
申请日期 |
1989.08.25 |
申请人 |
* FORUM CHEMICALS LIMITED |
发明人 |
JOHN NICHOLAS * STANIFORTH |
分类号 |
A61K9/00;A61K9/20;A61K9/22 |
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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