发明名称 |
Method for producing bisphenols. |
摘要 |
Low-color bisphenols may be produced by a reacting phenol with an aliphatic aldehyde or ketone in the presence of a strong-acid cation exchange resin acting as an acid catalyst for the reaction, and of a small amount, relative to the acid catalyst, of a weak-base anion exchange resin. |
申请公布号 |
EP0671376(A1) |
申请公布日期 |
1995.09.13 |
申请号 |
EP19950300969 |
申请日期 |
1995.02.15 |
申请人 |
ROHM AND HAAS COMPANY |
发明人 |
LUNDQUIST, ERIC GUSTAVE;BIGWOOD, MICHAEL PETER |
分类号 |
B01J31/08;B01J31/10;C07B61/00;C07C37/20;C07C37/68;C07C39/16 |
主分类号 |
B01J31/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|