发明名称 |
TASTE MASKING COMPOSITIONS |
摘要 |
This invention relates to drug-polymer matrix compositions comprising an active ingredient having an amino or amido group and a pharmaceutically acceptable copolymer having a plurality of carboxylic acid and ester groups wherein the matrix dissociates in a media having a pH of less than 4, thereby releasing the active ingredient into the media. |
申请公布号 |
ZA8606427(B) |
申请公布日期 |
1987.10.28 |
申请号 |
ZA19860006427 |
申请日期 |
1986.08.25 |
申请人 |
G.D. SEARLE & CO. |
发明人 |
NALINKANT CHUNILAL DAMANI;JOSEF HENGKO TSAU |
分类号 |
A61K47/34;A61K9/00;A61K9/16;A61K9/22;A61K47/00;A61K47/32;A61K47/38 |
主分类号 |
A61K47/34 |
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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