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
DE69500662(T2)
申请公布日期
1998.02.12
申请号
DE1995600662T
申请日期
1995.02.15
申请人
ROHM AND HAAS CO., PHILADELPHIA, PA., US
发明人
LUNDQUIST, ERIC GUSTAVE, NORTH WALES, PENNSYLVANIA 19454, US;BIGWOOD, MICHAEL PETER, ORELAND, PENNSYLVANIA 19075, US