| 发明名称 |
PERORAL PHARMACEUTICAL PREPARATION RELEASABLE IN LOWER DIGESTIVE TRACT. |
| 摘要 |
<p>A peroral pharmaceutical preparation releasable in the lower digestive tract, having a double-layer coating structure wherein a solid drug comprising a core containing an active ingredient is coated with an inner layer comprising a cationic polymer and an outer layer comprising an anionic polymer. <IMAGE></p> |
| 申请公布号 |
EP0667148(A1) |
申请公布日期 |
1995.08.16 |
| 申请号 |
EP19930924185 |
申请日期 |
1993.11.05 |
| 申请人 |
HISAMITSU PHARMACEUTICAL CO. INC. |
发明人 |
OKAYAMA, MINENOBU, TUKUBA LABORATORY OF;NAKANISHI, MASARU, TUKUBA LABORATORY OF |
| 分类号 |
A61K9/20;A61K9/28;A61K9/30;A61K9/32;A61K9/50;(IPC1-7):A61K9/30 |
主分类号 |
A61K9/20 |
| 代理机构 |
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代理人 |
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