| 发明名称 |
MIKROKAPSELN AUS POLYVINYLALKOHOL UND VERFAHREN ZU DEREN HERSTELLUNG |
| 摘要 |
Microcapsules having a shell consisting of water-soluble polyvinyl alcohol and containing a liquid, water-in-soluble material are obtained by dispersing a liquid, water-insoluble phase of a substance, substance mixture or substance solution in an aqueous phase of polyvinyl alcohol obtained by partial hydrolysis of polyvinyl acetate and having a degree of hydrolysis of from 72 to 99 mol % and dehydrating the dispersion to obtain the capsules in powder form. |
| 申请公布号 |
DD141462(A5) |
申请公布日期 |
1980.05.07 |
| 申请号 |
DD19790210823 |
申请日期 |
1979.02.05 |
| 申请人 |
HOECHST AG,DE |
发明人 |
FRENSCH,HEINZ,DE;HEINRICH,RUDOLF,DE;ALBRECHT,KONRAD,DE |
| 分类号 |
A61K9/58;A01N25/28;B01J13/02;B01J13/12;(IPC1-7):B01J13/02 |
主分类号 |
A61K9/58 |
| 代理机构 |
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代理人 |
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| 地址 |
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