发明名称 |
Osmotic capsule |
摘要 |
An osmotic capsule is disclosed for delivering a beneficial agent formulation to an environment of use. The osmotic capsule comprises an outer semipermeable wall surrounding and laminating an inner capsule wall formed of a different polymeric composition than the outer wall. The walls define an interior space containing the beneficial agent formulation. A passageway through the walls connects the exterior of the osmotic capsule with the interior of the osmotic capsule.
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申请公布号 |
US4627850(A) |
申请公布日期 |
1986.12.09 |
申请号 |
US19830548219 |
申请日期 |
1983.11.02 |
申请人 |
ALZA CORPORATION |
发明人 |
DETERS, JOSEPH C.;THEEUWES, FELIX;MULLINS, KEVIN J.;ECKENHOFF, JAMES B. |
分类号 |
A01N25/10;A01N25/34;A61J3/07;A61K8/00;A61K8/11;A61K8/18;A61K8/73;A61K9/00;A61K9/52;A61L9/04;A61M31/00;A61Q13/00;A61Q19/10;B01J4/04;C11B9/00;(IPC1-7):A61M31/00 |
主分类号 |
A01N25/10 |
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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