| 发明名称 |
METHOD FOR COATING ACTIVE PRINCIPLES WITH A PH-SENSITIVE POLYMER |
| 摘要 |
A new method of coating an active principle which comprises the step of coating an active principle with an aqueous emulsion or dispersion containing one or more pH-sensitive polymers.
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| 申请公布号 |
US5225238(A) |
申请公布日期 |
1993.07.06 |
| 申请号 |
US19910666313 |
申请日期 |
1991.03.08 |
| 申请人 |
RHONE-POULENC NUTRITION ANIMALE |
发明人 |
ARDAILLON, PIERRE;PRUD'HOMME, CHRISTIAN |
| 分类号 |
A23K1/16;A23K1/00;A61K9/32;A61K9/50;A61K9/52;A61K31/195;A61K38/22;A61K45/00;A61K47/32;A61K47/38;A61P43/00 |
主分类号 |
A23K1/16 |
| 代理机构 |
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代理人 |
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| 地址 |
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