| 发明名称 |
Sustained release pharmaceutical compositions in oral dosage form. |
| 摘要 |
<p>Oral dosage forms for neutral, zwitterions or salts of acidic or basic drugs with approximate zero order release kinetics comprise a core matrix of the drug, and a gelling polymer, the matrix being coated with a water permeable but insoluble polymer.</p> |
| 申请公布号 |
EP0253541(A2) |
申请公布日期 |
1988.01.20 |
| 申请号 |
EP19870305872 |
申请日期 |
1987.07.02 |
| 申请人 |
MERCK SHARP & DOHME LTD. |
发明人 |
LOVEGROVE, CLAIRE JACQUELINE;PHILLIPS, ANTHONY JOHN;RAWLINS, DAVID ALEXANDER;TAINSH, DAVID ALEXANDER |
| 分类号 |
A61K9/20;A61K9/22;A61K9/28;A61K9/36;A61K31/535;A61K47/38;A61P25/00;(IPC1-7):A61K9/22;A61K9/26 |
主分类号 |
A61K9/20 |
| 代理机构 |
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