发明授权
US06258799B1 Aqueous coating composition and process for preparing solid pharmaceutical preparation
有权
水性涂料组合物和制备固体药物制剂的方法
- 专利标题： Aqueous coating composition and process for preparing solid pharmaceutical preparation
- 专利标题（中）： 水性涂料组合物和制备固体药物制剂的方法
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申请号： US09404754申请日： 1999-09-24
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公开(公告)号： US06258799B1公开(公告)日： 2001-07-10
- 发明人: Hiroyasu Kokubo , Yuichi Nishiyama
- 申请人： Hiroyasu Kokubo , Yuichi Nishiyama
- 优先权： JP10-288829 19980925
- 主分类号： A61K3170
- IPC分类号： A61K3170
摘要：
An aqueous coating composition comprising hydroxypropyl methyl cellulose trimellitate typically having a mean particle size of up to 10 &mgr;m and a plasticizer is applied to a solid pharmaceutical preparation to form a coating film having acid resistance and solubility at about pH 4. The coated preparation has an improved bioavailability.
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