Process for producing methacrylic acid and a catalyst

Details Process for producing methacrylic acid and a catalyst Process for producing methacrylic acid and a catalyst

1985-02-01

1990-05-15

Garner, Vivian

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

Organic compounds

Carboxylic acids and salts thereof

502209, 562535, C07C 5125, C07C 57055

Patent

active

049259806

ABSTRACT:
The present invention relates to a process for producing methacrylic acid by oxidizing methacrolein in vapor phase with molecular oxygen or a gas containing molecular oxygen, characterized in that the oxidation is carried out in the presence of a catalyst having a composition shown by the following formula:

REFERENCES:
patent: 3875220 (1975-04-01), White et al.
patent: 4017423 (1977-04-01), White et al.
patent: 4042625 (1977-08-01), Matsuzawa et al.
patent: 4113770 (1978-09-01), Akiyama et al.
patent: 4320227 (1982-03-01), Matsumoto et al.
patent: 4745217 (1988-05-01), Matsumoto et al.

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