| 发明名称 |
Water-soluble polymers having a low hygroscopicity |
| 摘要 |
Readily water-soluble, slightly hygroscopic terpolymers which consist of (a) from 10 to 40% by weight of vinylpyrrolidone, (b) from 20 to 50% by weight of vinyl acetate (VAc) or vinyl propionate and (c) from 10 to 40% by weight of hydroxyethyl acrylate, hydroxypropyl acrylate or hydroxyethyl methacrylate, which terpolymers are used as auxiliaries in the cosmetics and pharmaceuticals sectors.
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| 申请公布号 |
US4551512(A) |
申请公布日期 |
1985.11.05 |
| 申请号 |
US19840597665 |
申请日期 |
1984.04.06 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
STRAUB, FERDINAND;SANNER, AXEL;SEIB, KARL;LANG, SIEGFRIED |
| 分类号 |
C08F20/00;A61K8/00;A61K8/81;A61K9/16;A61K9/28;A61K9/32;A61Q5/06;C08F20/26;C08F26/00;C08F26/10;C08F218/00;C08F218/02;C08F218/04;C08F220/28;C08F226/10;(IPC1-7):C08F218/04;C08F218/08;C08F220/20 |
主分类号 |
C08F20/00 |
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