发明名称 |
CONTROLLED RELEASE DRUG DISPERSION DELIVERY DEVICE |
摘要 |
A device for tie controlled delivery of a beneficial agent as a gelatinous dispersion consisting of (i) a core which contains a beneficial agent, a polymer which forms gelatinous micoroscopic particles upon hydration and if desired an agent to modulate the hydration of the polymer; and (ii) an impermeable, insoluble coating which adheres to and surrounds the core and contains apertures which provide an area for the hydration and release of a disperson comprising gelatinous microscopic particles.
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申请公布号 |
CA2085871(A1) |
申请公布日期 |
1993.06.28 |
申请号 |
CA19922085871 |
申请日期 |
1992.12.18 |
申请人 |
MERCK & CO., INC. |
发明人 |
RORK, GERALD S.;PIPKIN, JAMES D. |
分类号 |
A61K9/00;A61K9/20;A61K9/22;A61K31/74;A61K47/32;(IPC1-7):A61K9/44;A61K9/24;A61K31/22;A61K31/365;A61K31/405 |
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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