Catalysts for producing unsaturated aliphatic acids

Details Catalysts for producing unsaturated aliphatic acids Catalysts for producing unsaturated aliphatic acids

1976-06-01

1981-02-10

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252435, 252462, 562534, 562535, B01J 2310, B01J 2322, B01J 2328, B01J 2718

Patent

active

042500540

ABSTRACT:
The present invention relates to a process for the production of unsaturated aliphatic acids and the catalyst therefor, 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, vanadium, tungsten and lanthanum, and optionally one or more of the oxides of the elements manganese, iron, copper, aluminum, cobalt, nickel, phosphorus, zinc, bismuth, silver, cadmium, niobium, arsenic, chromium, the alkali and the alkaline earth elements.

REFERENCES:
patent: 3956377 (1976-05-01), Dolhyj et al.

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