Process for producing methacrylic acid

Details Process for producing methacrylic acid Process for producing methacrylic acid

1983-05-18

1987-03-24

Lone, Werren B.

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

Organic compounds

Carboxylic acids and salts thereof

562534, 562539, 562547, 562546, 502209, C07C 5125, C07C 57055

Patent

active

046526730

ABSTRACT:
A process for producing methacrylic acid by vapor phase oxidation of methacrolein with molecular oxygen or molecular oxygen-containing gas in the presence of isobutylene and/or tertiary butanol and in the presence of a catalyst having a heteropolyacid structure represented by the following general formula:

REFERENCES:
patent: 4178464 (1979-12-01), Sakamoto et al.
patent: 4467113 (1984-08-01), Matsumoto et al.

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