Catalyst compositions especially useful for preparation of unsat

Details Catalyst compositions especially useful for preparation of unsat Catalyst compositions especially useful for preparation of unsat

1976-07-26

1978-04-04

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252467, B01J 2316, B01J 2322, B01J 2328, B01J 2372

Patent

active

040826988

ABSTRACT:
The present invention relates to a catalyst composition consisting of oxide complexes of vanadium, molybdenum and copper plus an additional metal oxide selected from the group consisting of antimony and germanium or mixtures thereof. These catalysts are especially useful for producing acrylic acid from acrolein and for producing methacrylic acid from methacrolein.

REFERENCES:
patent: 3574729 (1971-04-01), Gasson
patent: 3736354 (1973-05-01), Yanagita et al.
patent: 3833649 (1974-09-01), Wada et al.

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