| 发明名称 |
PROCESS FOR PREPARING BISPHENOLS |
| 摘要 |
Bisphenols are prepared by condensation of a phenol with a ketone in the presence of a sulfonic acid type cation exchange resin partially modified with a pyridinealkanethiol of the formula: Py-(CH2)nSH wherein n is a positive integer and Py is 3-pyridyl when n is 1, or 2-, 3- or 4-pyridyl when n is more than 1. |
| 申请公布号 |
DE3162973(D1) |
申请公布日期 |
1984.05.10 |
| 申请号 |
DE19813162973 |
申请日期 |
1981.08.07 |
| 申请人 |
MITSUBISHI CHEMICAL INDUSTRIES LIMITED |
发明人 |
MAKI, TAKAO;MASUYAMA, TETSUO;YOKOYAMA, TOSHIHARU;FUJIYAMA, YOSHIKO |
| 分类号 |
C07C37/20;(IPC1-7):C07C39/16 |
主分类号 |
C07C37/20 |
| 代理机构 |
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