Method to defoul bisphenol-phenol adduct fouled crystallizer coo

Details Method to defoul bisphenol-phenol adduct fouled crystallizer coo Method to defoul bisphenol-phenol adduct fouled crystallizer coo

1997-08-08

1999-01-05

Shippen, Michael L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568727, C07C 3916

Patent

active

058565892

ABSTRACT:
An improvement in the continuous preparation of a bisphenol comprising maintaining the efficiency of the adduct crystallizer. The improvement comprises maintaining the Delta-T of the crystallizer at less than about 4.degree. C.

REFERENCES:
patent: 4209646 (1980-06-01), Gac
patent: 4327229 (1982-04-01), Mendiratta
patent: 4950806 (1990-08-01), Iimuro
patent: 5243093 (1993-09-01), Kissinger

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