| 发明名称 |
REDUCTION OF CARBONYL IMPURITIES IN ALPHA, BETA-UNSATURATED ACIDS AND ESTERS |
| 摘要 |
The invention provides a process for reducing one or more carbonyl impurity present in a monomer of an .alpha.,.beta.-unsaturated carboxylic acid o r its alkyl ester by treating the monomer containing the carbonyl impurities with a trialkyl phosphite or a triaryl phosphite.
|
| 申请公布号 |
CA2204576(A1) |
申请公布日期 |
1997.11.07 |
| 申请号 |
CA19972204576 |
申请日期 |
1997.05.06 |
| 申请人 |
ROHM AND HAAS COMPANY |
发明人 |
BAUER, WILLIAM JR.;QUIROS, NELSON IVAN |
| 分类号 |
G02B6/00;C07C51/48;C07C51/487;C07C57/07;C07C57/075;C07C67/08;C07C67/60;C07C69/54;G02B1/04;(IPC1-7):C07C69/54;C08F20/06;G02B6/10;C08F20/12;C07C51/50;C07C67/62 |
主分类号 |
G02B6/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
