Ion exchange catalyzed bisphenol process

Details Ion exchange catalyzed bisphenol process Ion exchange catalyzed bisphenol process

1981-10-23

1983-07-05

Lone, Werren B.

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

Organic compounds

Oxygen containing

568722, 568723, 568728, C07C 3720, C07C 3916

Patent

active

043919979

ABSTRACT:
An ion exchange catalyzed bisphenol process is described wherein condensation reaction temperature is increased along the path of the reaction which limits the formation of color bodies, tars and other condensation reaction by-product impurities.

REFERENCES:
patent: 2775620 (1956-12-01), Williamson
patent: 3049569 (1962-08-01), Apel et al.
patent: 3221061 (1965-11-01), Grover et al.
patent: 4051079 (1977-09-01), Melby
patent: 4191843 (1980-03-01), Kwantes et al.
patent: 4277628 (1981-07-01), Granahan
patent: 4301305 (1981-11-01), Keidik et al.
patent: 4308404 (1981-12-01), Kwantes et al.

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