发明名称 |
Method for producing microcapsule |
摘要 |
A microcapsule produced by preparing a water-in-oil emulsion comprising an inner aqueous layer containing said water-soluble drug and a drug retaining substance therefor and an oil layer containing a polymer substance, then thickening or solidifying said inner aqueous layer to a viscosity of not lower than about 5000 centiposes and finally subjecting the resulting emulsion to in water drying gives prolonged release of water-soluble drug.
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申请公布号 |
US5631021(A) |
申请公布日期 |
1997.05.20 |
申请号 |
US19960604022 |
申请日期 |
1996.02.20 |
申请人 |
TAKEDA CHEMICAL INDUSTRIES, LTD. |
发明人 |
OKADA, HIROAKI;OGAWA, YASUAKI;YASHIKI, TAKATSUKA |
分类号 |
A61K9/66;A61K9/16;A61K9/50;A61K9/52;A61K38/05;A61K38/08;A61K38/09;A61K38/22;A61K38/33;A61K38/37;B01J13/02;B01J13/12;(IPC1-7):A61K9/14 |
主分类号 |
A61K9/66 |
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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