Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1979-03-27
1980-09-30
Gantz, Delbert E.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252437, B01J 2714
Patent
active
042254663
ABSTRACT:
A process for preparing methacrylic acid which comprises carrying out the catalytic vapor phase oxidation of methacrolein with a member selected from the group consisting of air and a molecular oxygen-containing gas in the presence of a novel catalytic oxide composition of the general formula
REFERENCES:
patent: 3795703 (1974-03-01), Niiva et al.
patent: 3875220 (1975-04-01), White et al.
Ninomiya Michikazu
Ueshima Michio
Wada Masahiro
Yanagisawa Isao
Gantz Delbert E.
Nippon Shokubai Kagaku Kogyo & Co., Ltd.
Wright William G.
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