发明名称 |
Aqueous coating composition and process for preparing solid pharmaceutical preparation |
摘要 |
An aqueous coating composition comprising hydroxypropyl methyl cellulose trimellitate typically having a mean particle size of up to 10 mum 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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申请公布号 |
US6258799(B1) |
申请公布日期 |
2001.07.10 |
申请号 |
US19990404754 |
申请日期 |
1999.09.24 |
申请人 |
SHIN-ETSU CHEMICAL CO. LTD. |
发明人 |
KOKUBO HIROYASU;NISHIYAMA YUICHI |
分类号 |
A61K9/28;A61K9/36;A61K9/62;A61K47/38;(IPC1-7):A61K31/70;C08B3/00 |
主分类号 |
A61K9/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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