Stabilization of color in production of paracumylphenol using hy

Details Stabilization of color in production of paracumylphenol using hy Stabilization of color in production of paracumylphenol using hy

1993-04-05

1994-04-19

Lone, Werren B.

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

Organic compounds

Oxygen containing

568724, 568744, 568747, C07C 3714, C07C 3768, C07C 3914

Patent

active

053046897

ABSTRACT:
Para-cumylphenol is continuously produced by the reaction of purified phenol and alpha-methylatyrene in the presence of an acidic catalyst and an effective amount of hypophosphorous acid (H.sub.3 PO.sub.2) for stabilizing the color and UV absorption.

REFERENCES:
patent: 2366007 (1944-12-01), D'Alelio
patent: 2632001 (1953-03-01), McMaster et al.
patent: 3037052 (1962-05-01), Bortnick
patent: 4876391 (1989-10-01), Kissinger
patent: 4902836 (1990-02-01), Kissinger
patent: 4906791 (1990-03-01), Imanari et al.
patent: 5185475 (1993-02-01), Kissinger
U.S. patent application Ser. No. 07/891,025, filed Jun. 1, 1992, attorney docket No. 8CL-6982 Encyclopedia of Polymer Science and Technology, 1967, vol. 7, pp. 695-708, Third Edition, 1981.

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