发明名称 |
Drug delivery system with means for obtaining desirable in vivo release rate pattern |
摘要 |
A delivery device is disclosed for delivering a beneficial drug to a biological environment of use. The device comprises a hydrogel reservoir containing tiny pills. The tiny pills comprise a wall surrounding a drug core.
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申请公布号 |
US4851232(A) |
申请公布日期 |
1989.07.25 |
申请号 |
US19870059306 |
申请日期 |
1987.06.08 |
申请人 |
ALZA CORPORATION |
发明人 |
URQUHART, JOHN;THEEUWES, FELIX |
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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