Catalyst for producing unsaturated carboxylic acids

Details Catalyst for producing unsaturated carboxylic acids Catalyst for producing unsaturated carboxylic acids

1977-10-18

1979-02-06

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252456, 252458, 252464, 252469, 252476, 562535, B01J 2720, B01J 2916

Patent

active

RE0299014

ABSTRACT:
A process for producing unsaturated carboxylic acids, which comprises oxidizing unsaturated aldehydes in the vapor phase in the presence of a catalyst comprising a catalytic oxide supported on an inert carrier, such catalytic oxide containing metal elements in the atomic ratio Mo:V:Cu:Cr:W of 12:2-14:1-6:0-4:0-12 with the proviso that Cr + W is not 0.

REFERENCES:
patent: 3435069 (1969-03-01), Bethell et al.
patent: 3567772 (1971-03-01), Yanagita et al.
patent: 3644509 (1972-02-01), Allen
patent: 3736354 (1973-05-01), Yanagita et al.
patent: 3775474 (1973-11-01), Ohara et al.

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