Process for producing unsaturated aliphatic acids and catalysts

Details Process for producing unsaturated aliphatic acids and catalysts Process for producing unsaturated aliphatic acids and catalysts

1976-11-17

1979-02-06

Gantz, Delbert E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252435, 252437, 252465, 252467, 252468, 252469, 252470, B01J 2316, B01J 2714, B01J 2384

Patent

active

041383664

ABSTRACT:
The present invention relates to a process for the production of unsaturated aliphatic acids and the catalyst therefore by the vapor phase oxidation of the corresponding unsaturated aliphatic aldehydes with molecular oxygen, optionally in the presence of steam, in the presence of an oxidation catalyst consisting of the oxides of the elements molybdenum, antimony and vanadium in combination with at least one of the oxides of the element selected from the group consisting of silver, magnesium, thallium and cadmium, and optionally one or more of the oxides of the elements of the group, manganese, cobalt, nickel, copper, iron, tin, chromium, titanium, bismuth, arsenic, phosphorus, rhenium, and zinc.

REFERENCES:
patent: 3684741 (1972-08-01), Friedrichsen et al.
patent: 3773692 (1973-11-01), Hensel et al.
patent: 3867438 (1975-02-01), Hensel et al.
patent: 3875220 (1975-04-01), White et al.
patent: 3954855 (1976-05-01), Wada et al.
patent: 3956182 (1976-05-01), Ishimi
patent: 3965163 (1976-06-01), Oda et al.
patent: 3966802 (1976-06-01), Takenaka et al.
patent: 3997600 (1976-12-01), Ferlazzo et al.
patent: 4035418 (1977-07-01), Okada et al.
patent: 4042625 (1977-08-01), Matsuzawa et al.
patent: 4051179 (1977-09-01), Sonobe et al.

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