发明名称 |
DELIVERY SYSTEM FOR AN ACTIVE SUBSTANCE |
摘要 |
In a therapeutic system such as a plaster for administration of an active compound through the skin and comprising a covering layer which is essentially impermeable to the active compound, an active compound reservoir layer and a protective layer which can be pulled off and which is essentially impermeable to the active compound, the improvement wherein the reservoir layer contain about 1-30% of active compound in an elastomer mixture comprising a predominantly amorphous olefinic (co)polymer with a glass transition temperature of <20 DEG C., mixed with from 0 up to about 50% by weight of a polyisobutylene, polybutadiene oil and/or paraffin oil, and a tackifying resin. Thereby the active compound can be released in regulated relatively large quantity over a prolonged period of time. |
申请公布号 |
EP0150426(A3) |
申请公布日期 |
1986.01.15 |
申请号 |
EP19840115661 |
申请日期 |
1984.12.18 |
申请人 |
BAYER AG |
发明人 |
VON BITTERA, MIKLOS;MEYER, ROLF-VOLKER, DR.;DHEIN, ROLF, DR. |
分类号 |
A61K9/70;(IPC1-7):A61L15/03 |
主分类号 |
A61K9/70 |
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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