发明名称 |
Process for time-controlled release of active ingredients |
摘要 |
The present invention provides a process for the timed control of the liberation of active material from a retarded active material-containing composition by the addition of a hydrophilic polymer, wherein the rate of liberation is adjusted by means of the viscosity of the added hydrophilic polymer, the rate of liberation increasing with increasing viscosity.
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申请公布号 |
US4608248(A) |
申请公布日期 |
1986.08.26 |
申请号 |
US19860833430 |
申请日期 |
1986.02.24 |
申请人 |
WARNER-LAMBERT COMPANY |
发明人 |
KNECHT, ADOLF;AUGART, HELMUT |
分类号 |
A61K9/20;A61K9/22;(IPC1-7):A61K9/22;A61K9/26 |
主分类号 |
A61K9/20 |
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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