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

1978-10-05

1981-06-16

Gantz, Delbert E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252437, B01J 2714

Patent

active

042736765

ABSTRACT:
A catalyst having a heteropoly-acid structure and the general formula:

REFERENCES:
patent: 3326817 (1967-06-01), Callahan
patent: 3380931 (1968-04-01), Ryland
patent: 3437690 (1969-04-01), Young et al.
patent: 3485877 (1969-12-01), Hargis et al.
patent: 3644497 (1972-02-01), Mesich
patent: 3875220 (1975-04-01), White et al.
patent: 3956182 (1976-05-01), Ishimi
patent: 4000088 (1976-12-01), Shimizu et al.
patent: 4001316 (1977-01-01), Ishimi
patent: 4101448 (1978-07-01), Shaw et al.
patent: 4192951 (1980-03-01), Slinkard et al.
Preparation and Characterization of 12-Molybdophosphoric and 12 Molybdosilicic Acids and Their Metal Salts, Ind. Eng. Chem. Prod. Res. Develop., vol. 13, No. 4, 1974, pp. 267-274.

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