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

042618584

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 and rhenium in predetermined relative atomic ratios.

REFERENCES:
patent: 4000088 (1976-12-01), Shimizu et al.
patent: 4045478 (1977-08-01), Umemura et al.
patent: 4085065 (1978-04-01), White et al.

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