Process for preparing purified terephthalic acid

Details Process for preparing purified terephthalic acid Process for preparing purified terephthalic acid

1976-08-12

1980-05-06

Siegel, Alan

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

Organic compounds

Carboxylic acids and salts thereof

C07C 5142

Patent

active

042018722

ABSTRACT:
A purified terephthalic acid is prepared by dissolving a crude terephthalic acid in water at high temperature under high pressure and then contacting the resulting aqueous solution with a catalyst of an active carbon supporting palladium under maintaining the pressure P(kg/cm.sup.2) of the gaseous phase in the catalytic contacting zone in a range of

REFERENCES:
patent: 3607921 (1971-09-01), Stancell
patent: 3639465 (1972-02-01), Olsen et al.
patent: 3862218 (1975-01-01), Stautzenberger

Affiliated with

Also associated with

Rating

Process for preparing purified terephthalic acid does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for preparing purified terephthalic acid, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing purified terephthalic acid will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1005913