Process and composition

Details Process and composition Process and composition

1990-11-13

1992-02-25

Lone, Werren B.

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

Organic compounds

Oxygen containing

568722, 568724, 568727, C07C 2726, C07C 3912

Patent

active

050915916

ABSTRACT:
A process comprising the addition of a degradation inhibiting effective amount of an ammonium, alkali metal, alkaline earth metal or transition metal of oxidation number +2 salt of an aliphatic mono or dicarboxylic acid to a composition comprising a phenol and a bisphenol, the addition occurring prior to a procedure which subjects the bisphenol to substantial heat, said bisphenol produced from an acidic ion exchange resin catalyzed reaction of a phenol and a ketone or aldehyde.

REFERENCES:
patent: 2714087 (1955-07-01), Steven et al.
patent: 4160110 (1979-07-01), Carnahan, Jr.
patent: 4359590 (1982-11-01), Dachs
patent: 4847433 (1989-07-01), Kissinger
patent: 4876395 (1989-10-01), Kissinger
patent: 4894486 (1990-01-01), Neil et al.

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