发明名称 Controlled release polymeric gels
摘要 A controlled continuous release composition, articles comprising the continuous release composition, methods of using the composition, and methods of preparing the composition are disclosed. The composition comprises an elastomeric matrix which is a reaction product of a carboxyl-terminated polymer with a polycarbodiimide and at least one active agent which is released from the matrix into the environment substantially continuously over an extended period of time.
申请公布号 US7901695(B2) 申请公布日期 2011.03.08
申请号 US20040799431 申请日期 2004.03.12
申请人 CRAY VALLEY USA, LLC 发明人 CHAO HERBERT;TIAN NAN
分类号 A61K9/00;A01N25/04;A61K47/34;C07C71/00;C08G18/28;C08G18/69;C08G18/79 主分类号 A61K9/00
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