Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1988-09-26
1989-07-04
Lone, Werren B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
502229, 562416, 562417, C07C 51215
Patent
active
048452742
ABSTRACT:
A process for the manufacture of polycarboxylic acids is disclosed. In this novel process, antimony is used to improve the selectivity of cobalt-manganese-bromine or zirconium-cobalt-manganese-bromine oxidation system. Polymethylbenzenes such as pseudocumene are converted to their corresponding polycarboxylic acids which are used to manufacture plasticizers and polyamide-imide polymers used as molding compounds for replacement of metals.
REFERENCES:
patent: 4230882 (1980-10-01), Seko et al.
patent: 4314073 (1982-02-01), Crooks
patent: 4322549 (1982-03-01), Kuhlmann et al.
Green Michael R.
Schammel Wayne P.
Amoco Corporation
Blumberg Gunar J.
Clarke Vera C.
Lone Werren B.
Magidson William M.
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