| 发明名称 |
DRUG DELIVERY SYSTEM COMPRISING AN ACTIVE COVALENTLY BONDED TO A POLYMER - THE COVALENT BOND BEING CLEAVABLE IN AN ACID PH |
| 摘要 |
Cross-linked controlled density polyamines which are water-insoluble and swell at pH values up to about 8 are shown. These polyamines are useful in site-specific drug delivery systems. |
| 申请公布号 |
NZ239133(A) |
申请公布日期 |
1993.10.26 |
| 申请号 |
NZ19910239133 |
申请日期 |
1991.07.25 |
| 申请人 |
GD SEARLE & CO;MONSANTO CO |
发明人 |
TREMONT, SAMUAL J;COLLINS, PAUL WADDELL;PERKINS, WILLIAM ELDREDGE;JONES, PETER HADLEY |
| 分类号 |
C08G12/46;A61K31/557;A61K47/34;A61K47/48;C08F8/32;C08G12/00;C08G12/02;C08G73/02 |
主分类号 |
C08G12/46 |
| 代理机构 |
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代理人 |
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