| 发明名称 |
Phosphorous acid catalyzed phenol esterification. |
| 摘要 |
<p>A phosphorous acid or mixture of phosphorous acids is used as catalyst in the esterification reaction of phenol and carboxylic acids. Water is removed from the reaction zone in an efficient manner. An ester product of high purity and excellent color with minimal by-products is characteristically produced.</p> |
| 申请公布号 |
EP0199525(A2) |
申请公布日期 |
1986.10.29 |
| 申请号 |
EP19860302796 |
申请日期 |
1986.04.15 |
| 申请人 |
STEPAN COMPANY |
发明人 |
ROCKWELL, NED M. |
| 分类号 |
C07C69/24;B01J27/00;B01J27/16;C07B61/00;C07C67/00;C07C67/08;C07C69/035;C07C201/00;C07C205/50;(IPC1-7):C07C67/08 |
主分类号 |
C07C69/24 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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