Process for the preparation of dimethyl terephthalate

Details Process for the preparation of dimethyl terephthalate Process for the preparation of dimethyl terephthalate

1973-09-12

1978-11-21

Myers, Jane S.

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

Organic compounds

Carboxylic acid esters

560 78, C07C 6982

Patent

active

041267559

ABSTRACT:
A process for producing dimethyl terephthalate from high-boiling tarry residues from the combined oxidation of p-xylene and p-toluate in the liquid phase, esterification of the resulting acids with methanol and separation of the resulting dimethyl terephthalate which include the steps of subjecting the high-boiling residues to treatment with methanol at temperatures above 250.degree. C. and thereafter separating the resulting dimethyl terephthalate in accordance with conventional separation techniques.

REFERENCES:
patent: 2773090 (1956-12-01), Leibu
patent: 3248417 (1966-04-01), Hoffmann et al.
patent: 3277153 (1966-10-01), Pieroh

Affiliated with

Also associated with

Rating

Process for the preparation of dimethyl terephthalate 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 the preparation of dimethyl terephthalate, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of dimethyl terephthalate will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2050221