Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1976-07-13
1979-07-24
Killos, Paul J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
C07C 5133
Patent
active
041623657
ABSTRACT:
An improvement in the liquid phase air oxidation process based upon a solvent system such as acetic acid and with a bromine activated heavy-metal catalyst system for preparing phthalic, isophthalic and terephthalic acids from their corresponding alkyl benzenes wherein the heavy metal is a soluble cobalt compound and sufficient excess of air is introduced so that the waste gas still contains an excess of oxygen.
REFERENCES:
patent: 3139452 (1964-06-01), Hays
patent: 3354202 (1967-11-01), Zimmerschiel et al.
Alfs Helmut
List Ferdinand
Chemische Werke Huls Aktiengesellschaft
Killos Paul J.
Wells Gilbert L.
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