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发明名称
Biodegradable hydrogel matrices for the controlled release of pharmacologically active agents
摘要
申请公布号
US4925677(A)
申请公布日期
1990.05.15
申请号
US19880238802
申请日期
1988.08.31
申请人
THERATECH, INC.
发明人
FEIJEN, JAN
分类号
A61K47/42;A61K9/16;A61K9/20;A61K9/22
主分类号
A61K47/42
代理机构
代理人
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