发明公开
- 专利标题： Controlled-release formulations coated with aqueous dispersions of ethylcellulose
- 专利标题（中）： 用乙基纤维素的水分散体包衣的控释制剂
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申请号： EP04025136.5申请日： 1994-06-14
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公开(公告)号： EP1502591A3公开(公告)日： 2006-02-08
- 发明人: Oshlack, Benjamin , Chasin, Mark , Pedi, Frank Jr.
- 申请人： Euro-Celtique S.A.
- 申请人地址： 122, Boulevard de la Pétrusse 2330 Luxembourg LU
- 专利权人： Euro-Celtique S.A.
- 当前专利权人： Euro-Celtique S.A.
- 当前专利权人地址： 122, Boulevard de la Pétrusse 2330 Luxembourg LU
- 代理机构： Maiwald Patentanwalts GmbH
- 优先权： US81618 19930623
- 主分类号： A61K31/485
- IPC分类号： A61K31/485 ; A61K9/58
摘要：
The invention concerns a controlled release hydromorphone dosage form comprising a substrate comprising an effective amount of hydromorphone salt, the substrate being coated with an aqueous dispersion of at least one hydrophobic polymer and cured, whereby the cured, coated substrate provides controlled release and the release is further influenced by one or more passageways through the coating.
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