| 发明名称 |
HERSTELLUNG VON HYDROLYSIERTEM POLYMALEINSAEUREANHYDRID. |
| 摘要 |
The invention provides a process for the production of hydrolyzed polymaleic anhydride which comprises heating a reaction mixture comprising (a) maleic anhydride, (b) a reactive aromatic solvent, (c) an alcohol or glycol having up to 4 carbon atoms or esters of such an alcohol or glycol with maleic acid, and (d) di-tertiary butyl peroxide, and then hydrolyzing the resulting polymer. |
| 申请公布号 |
DE3668461(D1) |
申请公布日期 |
1990.03.01 |
| 申请号 |
DE19863668461 |
申请日期 |
1986.01.27 |
| 申请人 |
CIBA-GEIGY AG, BASEL, CH |
发明人 |
BURKE, PETER EDWARD, TIMPERLEY CHESHIRE WA15 7RS, GB |
| 分类号 |
C08F4/00;C08F4/28;C08F4/34;C08F8/00;C08F8/12;C08F220/00;C08F220/10;C08F222/06;C08F222/12;(IPC1-7):C08F8/12;C08F22/06 |
主分类号 |
C08F4/00 |
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