Process for producing unsaturated aliphatic acids

Details Process for producing unsaturated aliphatic acids Process for producing unsaturated aliphatic acids

1981-06-22

1982-11-09

Garner, Vivian

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

252435, 252437, 252464, 252467, 252468, 252469, 252470, 26034675, 560208, 562535, 562536, C07C 5125, C07C 57055

Patent

active

043586082

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, and tungsten, plus at least one of the oxides selected from the group consisting of rhenium, and titanium and optionally one or more of the oxides of the elements manganese, iron, copper, tin, aluminum, cobalt, nickel, phosphorus, zinc, bismuth, silver, cadmium, niobium,arsenic, chromium, the alkali and the alkaline earth elements.

REFERENCES:
patent: 3875220 (1975-04-01), White et al.
patent: 4017423 (1977-04-01), White et al.

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