发明名称 Controlled release device.
摘要 <p>A controlled release device which comprises: (i) a hydrogel; and incorporated therewith(ii) an active substance, at least part of at least one surface of the device comprising (iii) a layer which is impermeable to aqueous media.</p>
申请公布号 EP0132384(A2) 申请公布日期 1985.01.30
申请号 EP19840304931 申请日期 1984.07.19
申请人 NATIONAL RESEARCH DEVELOPMENT CORPORATION 发明人 GRAHAM, NEIL BONETTE;MCNEILL, MARION EILEEN;WOOD, DAVID ANTHONY
分类号 A61K47/30;A01N25/04;A61K9/00;A61K9/20;A61K9/22;A61M31/00;C08G18/48;C08G18/66;(IPC1-7):A61K9/22 主分类号 A61K47/30
代理机构 代理人
主权项
地址