Catalyst and process for producing methacrylic acid

Details Catalyst and process for producing methacrylic acid Catalyst and process for producing methacrylic acid

1979-10-03

1981-06-02

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

562535, B01J 2718, B01J 2328, B01J 2318

Patent

active

042710405

ABSTRACT:
A catalyst composition useful for the oxidation of unsaturated aldehydes, particularly the oxidation of methacrolein to produce methacrylic acid, comprises the combination of oxides of molybdenum, copper, phosphorus, antimony, and cesium and/or calcium and optionally may include one or more of the elements Ni, Zn, Ru, Rh, Pd, Pt, As, K, Rb, Sr, Ba, Cr, V, Nb, W, Mn, Re, and rare earth metals including La.

REFERENCES:
patent: 3761516 (1973-09-01), Khoobiar
patent: 3965163 (1976-06-01), Oda et al.
patent: 3976688 (1976-08-01), Akiyama et al.
patent: 3998877 (1976-12-01), Oda et al.
patent: 4017423 (1977-04-01), White et al.
patent: 4110369 (1978-08-01), White et al.

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