Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1986-03-03
1989-11-07
Lane, Werren B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
562532, 562535, 562538, 562593, 203DIG21, C07C 5142
Patent
active
048794120
ABSTRACT:
Disclosed herein is a process for bringing methacrylic acid, which has been obtained by the catalytic oxidation of compound having 4 carbon atoms, into contact with a basic anion-exchange resin so as to remove byproduced dibasic acids and the like from the methacrylic acid and to purify the same.
Iwasaki Kozo
Koshibe Minoru
Koyama Yoshio
Kuragano Morimasa
Sezaki Yoshihiro
Kyowa Gas Chemical Industry Co. Ltd.
Lane Werren B.
Mitsui Toatsu Chemicals Inc.
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