| 发明名称 |
REMOVAL OF CARBONYL IMPURITIES FROM A,B-UNSATURATED CARBOXYLIC ACIDS |
| 摘要 |
This invention is a method for removing certain carbonyl containing impurities from .alpha.,.beta.-unsaturated carboxylic acid ester with an aqueous solution of a bisulfite or dithionite salt.
|
| 申请公布号 |
CA2151435(A1) |
申请公布日期 |
1995.12.11 |
| 申请号 |
CA19952151435 |
申请日期 |
1995.06.09 |
| 申请人 |
ROHM AND HAAS COMPANY |
发明人 |
BAUER, WILLIAM JR.;QUIROS, NELSON IVAN;UPMACIS, RITA KARINA |
| 分类号 |
C07C67/58;C07C67/60;C07C69/54;C07C69/593;C07C69/60;C07C69/75;(IPC1-7):C07C69/54 |
主分类号 |
C07C67/58 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
