| 发明名称 |
Controlled release compositions and method |
| 摘要 |
A controlled release composition comprising an adsorbent polymer, an active agent, and a release retardant is disclosed. The composition has an improved ability to release the active agent over an extended time period.
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| 申请公布号 |
US6491953(B1) |
申请公布日期 |
2002.12.10 |
| 申请号 |
US20000479764 |
申请日期 |
2000.01.07 |
| 申请人 |
AMCOL INTERNATIONAL CORPORATION |
发明人 |
SOJKA MILAN F.;SPINDLER RALPH |
| 分类号 |
A61K9/50;(IPC1-7):A61K9/14;A61K9/16;A61K31/355;A61K31/34 |
主分类号 |
A61K9/50 |
| 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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