发明名称 |
Sustained-release preparation of basic medical agent hydrochloride. |
摘要 |
<p>A preparation obtained by coating granules containing both a basic medical agent hydrochloride (e.g. arotinolol hydrochloride) and a polyanion the particles of which are present in the form of a discontinuous layer, with a film containing a slightly water-soluble substance, can release the agent at a controlled rate independently of physiological conditions in the gastrointestinal tract of a patient to whom the preparation has been administered orally.</p> |
申请公布号 |
EP0425298(A2) |
申请公布日期 |
1991.05.02 |
申请号 |
EP19900311748 |
申请日期 |
1990.10.26 |
申请人 |
SUMITOMO PHARMACEUTICALS COMPANY, LIMITED |
发明人 |
UEMURA, AKIRA;SAMIZO, FUMIO;NOGUCHI, TETSUO |
分类号 |
A61K9/48;A61K9/16;A61K9/20;A61K9/50;A61K9/52;A61K9/58;A61K9/62;A61K9/64;A61K31/425;A61K47/32;A61K47/38 |
主分类号 |
A61K9/48 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|