发明名称 |
Aqueous enteric coating compositions |
摘要 |
The present invention sets forth an enteric coating composition comprising a blend of a) an alkali-soluble acrylic latex polymer and b) an aqueous solution of ammonium or alkaline salts of cellulose polymers. The invention also sets forth a method for preparing an enterically-coated dosage form and a method for preparing the present compositions.
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申请公布号 |
US5851579(A) |
申请公布日期 |
1998.12.22 |
申请号 |
US19970947121 |
申请日期 |
1997.10.08 |
申请人 |
EASTMAN CHEMICAL COMPANY |
发明人 |
WU, STEPHEN HONG-WEI;HOPKINS, WARREN KENT |
分类号 |
A61K9/28;A61K9/30;A61K9/32;A61K9/36;(IPC1-7):B05D1/22;B05D1/40;A61K9/22 |
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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