Catalyst for producing methacrylic acid

Details Catalyst for producing methacrylic acid Catalyst for producing methacrylic acid

1977-08-19

1979-10-23

Gantz, Delbert E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252437, 562534, 562535, B01J 2714, C07C 5124

Patent

active

041720512

ABSTRACT:
This invention relates to a process and catalyst for producing methacrylic acid by the oxidation of methacrolein. More specifically, it relates to a process for producing methacrylic acid from methacrolein by oxidizing the same with molecular oxygen or molecular oxygen-containing gas, which is characterized by the use of a composition, as a catalyst, having a heteropolyacid structure and the general formula:

REFERENCES:
patent: 3156706 (1964-11-01), Kerr
patent: 3320331 (1967-05-01), Gaspar et al.
patent: 3644497 (1972-02-01), Mesich
patent: 3761516 (1973-09-01), Kloobian
patent: 4036780 (1977-07-01), Suzuki et al.
patent: 4049574 (1977-09-01), Kerr et al.
patent: 4056487 (1977-11-01), Kerr
patent: 4075244 (1978-02-01), Akiyama et al.

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