Catalyst for producing methacrylic acid

Details Catalyst for producing methacrylic acid Catalyst for producing methacrylic acid

1979-04-06

1981-04-14

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252435, 562535, B01J 2318, B01J 2718

Patent

active

042618592

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, calcium, tungsten and optionally arsenic in predetermined relative atomic ratios.

REFERENCES:
patent: 4001316 (1977-01-01), Ishini
patent: 4045478 (1977-08-01), Umemura et al.

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