发明名称 |
Sustained release drug-resin complexes. |
摘要 |
<p>Disclosed are oral pharmaceutical preparations which comprise a pharmacologically active drug bound to small particles of an ion-exchange resin to provide a drug-resin complex having a drug content above a specified value. The drug-resin complex is subsequently coated with a water-permeable diffusion barrier coating that is insoluble in gastrointestinal fluids thereby providing a controllable sustained release of drug under conditions encountered in the gastrointestinal tract.</p> |
申请公布号 |
EP0367746(A2) |
申请公布日期 |
1990.05.09 |
申请号 |
EP19890870168 |
申请日期 |
1989.10.31 |
申请人 |
RICHARDSON VICKS, INC. |
发明人 |
KELLEHER, WILLIAM JOSEPH;CARPANZANO, ANTHONY EARL |
分类号 |
A61K9/18;A61K9/50;A61K9/52;A61K9/62;A61K47/48 |
主分类号 |
A61K9/18 |
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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