发明授权
- 专利标题： CONTROLLED RELEASE HYDROGEL FORMULATION
- 专利标题（中）： 水凝胶制剂控释
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申请号： EP95908570.5申请日： 1995-01-18
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公开(公告)号： EP0744942B1公开(公告)日： 2002-07-24
- 发明人: CHEN, Chih-Ming , CHIAO, Charles S.L.
- 申请人： ANDRX PHARMACEUTICALS, INC.
- 申请人地址： Suite 201, 4001 S.W. 47th Avenue Fort Lauderdale, FL 33314 US
- 专利权人： ANDRX PHARMACEUTICALS, INC.
- 当前专利权人： ANDRX PHARMACEUTICALS, INC.
- 当前专利权人地址： Suite 201, 4001 S.W. 47th Avenue Fort Lauderdale, FL 33314 US
- 代理机构： Passini, Angelo
- 优先权： US195377 19940214
- 国际公布： WO9521607 19950817
- 主分类号： A61K9/22
- IPC分类号： A61K9/22 ; A61K9/26 ; A61K9/20
摘要：
The invention is directed to a method for the modification of the rate of release of a drug from a hydrogel which is based on the use of an effective amount of a pharmaceutically acceptable ionizable compound that is capable of providing a substantially zero-order release rate of drug from the hydrogel.
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