Process for producing methacrylic acid

Details Process for producing methacrylic acid Process for producing methacrylic acid

1980-10-14

1982-02-02

Garner, Vivian

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

252432, 252435, 252437, 562600, C07C 5125, C07C 57055

Patent

active

043140742

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: 4000088 (1976-12-01), Shimizu et al.
patent: 4001316 (1977-01-01), Ishimi
patent: 4045478 (1977-08-01), Umemura et al.

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