Method for production of methacrylic acid

Details Method for production of methacrylic acid Method for production of methacrylic acid

1989-07-10

1990-09-04

Killos, Paul J.

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

Organic compounds

Carboxylic acids and salts thereof

502 2, 422188, C07C 5116, C07C 51235, B01J 3300, B01J 100, B01J 804, B01J 1000, C10G 3400

Patent

active

049546503

ABSTRACT:
This invention relates to a improved method for the production of methacrylic acid by the steps of subjecting isobutylene and/or tertiory hutanol to catalytic vapor-phase oxidation with molecular oxygen in a first reactor, then supplying the resultant gax mixture to a second reactor, a rodlike or plate like insert set being placed in the empty space of gas inlet part of the tube of said second reactor.

REFERENCES:
patent: 4250339 (1981-02-01), Sakamoto
patent: 4487962 (1984-12-01), Krabetz
patent: 4816603 (1989-03-01), Oh-Kita

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