Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1989-10-02
1990-06-12
Lone, Werren B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
562417, 562487, 562488, C07C 51265, C07C 51487
Patent
active
049334913
ABSTRACT:
A method for purifying a naphthalene dicarboxylic acid produced by the liquid phase oxidation of a kialkylnaphthalene or partially oxidized derivative thereof in the presence of a catalyst comprising a bromine-containing component and at least one of a cobalt- or manganese-containing component.
REFERENCES:
patent: 3592847 (1971-07-01), Gallivan et al.
patent: 4794195 (1988-12-01), Hayashi et al.
Albertins Rusins
Holzhauer Juergen K.
Pietsch Stephen J.
Schroeder Hobe
Amoco Corporation
Clarke Vera C.
Henes James R.
Lone Werren B.
Magidson William H.
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