| 发明名称 |
SUSTAINED-RELEASE PREPARATION OF BASIC MEDICAL AGENT HYDROCHLORIDE |
| 摘要 |
A preparation obtained by coating granules containing both a basic medical agent hydrochloride (e.g. allotinolol 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 said agent at a controlled rate without influenced by the physiological factors of the gastrointestinal tract of a patient when orally administered.
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| 申请公布号 |
CA2028633(A1) |
申请公布日期 |
1991.04.28 |
| 申请号 |
CA19902028633 |
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;(IPC1-7):A61K47/38;A61K47/30 |
主分类号 |
A61K9/48 |
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