Oxidation catalyst prepared with NH.sub.3

Details Oxidation catalyst prepared with NH.sub.3 Oxidation catalyst prepared with NH.sub.3

1978-05-16

1979-10-09

Dees, Carl

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252456, 252464, 252467, B01J 2906, B01J 2316

Patent

active

041705726

ABSTRACT:
An improved process for catalytically oxidizing alpha-beta unsaturated aliphatic aldehydes in the vapor phase with molecular oxygen to produce alpha-beta unsaturated carboxylic acids using a catalyst composition which has been thermally activated in the presence of ammonia, and which comprises the elements Mo, V, W, Cr and Cu.

REFERENCES:
patent: 3833649 (1974-09-01), Wada et al.
patent: 3899446 (1975-08-01), Miya et al.
patent: 4010238 (1977-03-01), Shiraishi et al.
patent: 4075283 (1978-02-01), Shiraishi et al.

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