Preparation of mixtures of isomeric cresols with a molar ratio o

Details Preparation of mixtures of isomeric cresols with a molar ratio o Preparation of mixtures of isomeric cresols with a molar ratio o

1990-08-08

1991-05-14

Lone, Werren B.

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

Organic compounds

Oxygen containing

568716, 568791, C07C 3748, C07C 3768, C07C 3906

Patent

active

050157850

ABSTRACT:
A process for the preparation of mixtures of isomeric cresols with a molar ratio of para- to meta-cresol of from 0.6:1 to 10:1 by isomerization of cresol mixtures or ortho- and/or metal-cresol on zeolite catalysts of the pentasil type in the gas phase at from 300.degree. to 600.degree. C. under from 0.01 to 50 bar entails the mean particle size of the zeolite catalyst being at leat 3 .mu.m, and the selectivity in the established test for the disproportionation of ethylbenzene to diethylbenzene isomers being at least 60% for para-diethylbenzene.

REFERENCES:
patent: 4283571 (1981-08-01), Keim et al.
patent: 4503269 (1985-03-01), Engel et al.
patent: 4590306 (1986-05-01), Korff et al.
patent: 4605790 (1986-08-01), Wojtkowski
patent: 4691063 (1987-09-01), Engel et al.
patent: 4709102 (1987-11-01), Gupta

Affiliated with

Also associated with

Rating

Preparation of mixtures of isomeric cresols with a molar ratio o does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Preparation of mixtures of isomeric cresols with a molar ratio o, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Preparation of mixtures of isomeric cresols with a molar ratio o will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1649691