Preparation of methacrylic acid from methacrolein

Details Preparation of methacrylic acid from methacrolein Preparation of methacrylic acid from methacrolein

1976-11-26

1978-04-11

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252435, 260530N, B01J 2714

Patent

active

040838056

ABSTRACT:
Methacrylic acid or acrylic acid are produced by the oxidation of methacrolein or acrolein, respectively, with molecular oxygen in the vapor phase in the presence of a catalytic oxide of molybdenum, phosphorus, bismuth, copper, oxygen, a halogen selected from the group consisting of chlorine, bromine or iodine, and optionally, at least one element selected from the group consisting of Fe, Cr, Ni, Mn, Sb, Te, Rh, and Pd.

REFERENCES:
patent: 3293290 (1966-12-01), Flint et al.
patent: 3773692 (1973-11-01), Hensel et al.
patent: 3956181 (1976-05-01), Grasselli et al.
patent: 3976688 (1976-08-01), Akiyama et al.

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