| 发明名称 |
CONTROLLED-RELEASE COMPOSITION |
| 摘要 |
A controlled-release composition comprising a drug-containing core coated with a coating composition containing a water-insoluble substance and a swellable polymer having no basic groups which is capable of maintaining an almost constant drug concentration in plasma over an extended period of time to ensure sustained drug action in the body.
|
| 申请公布号 |
CA2199345(A1) |
申请公布日期 |
1997.09.07 |
| 申请号 |
CA19972199345 |
申请日期 |
1997.03.06 |
| 申请人 |
TAKEDA CHEMICAL INDUSTRIES, LTD. |
发明人 |
NARA, EIJI;AKIYAMA, YOHKO;NAKAMURA, KENJI |
| 分类号 |
A61K9/28;A61K9/36;A61K9/50;A61K31/137;A61K31/485;(IPC1-7):A61K9/52 |
主分类号 |
A61K9/28 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
