Process for preparing methacrylic acid

Details Process for preparing methacrylic acid Process for preparing methacrylic acid

1976-09-22

1984-04-03

Garner, Vivian

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

Organic compounds

Carboxylic acids and salts thereof

562534, 562535, 562536, 502209, 502211, C07C 5125, C07C 57055

Patent

active

044409486

ABSTRACT:
Methacrylic acid is prepared by reacting methacrolein with molecular oxygen in the vapor phase at a temperature of from 230.degree. C. to 450.degree. C. in the presence of a catalyst having the formula Mo.sub.12 P.sub..alpha.' X.sub..beta.' Y.sub..gamma.' O.sub..delta.' wherein X is at least one member of the group consisting of Cs and Tl:Y is at least one member of the group consisting of Cs and Tl; Y is at least one member of the group consisting of V, Zr, Nb, Ni, Ta and Fe; .alpha.'=0.1-3; .beta.'=0.2-9; .gamma.'=0.1-7; .delta.'=36-100.

REFERENCES:
patent: 3875220 (1975-04-01), White et al.
patent: 3925464 (1975-12-01), Oda et al.
patent: 3976688 (1976-08-01), Akiyama et al.
patent: 4075244 (1978-02-01), Akiyama et al.

Affiliated with

Also associated with

Rating

Process for preparing methacrylic acid does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for preparing methacrylic acid, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing methacrylic acid will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-668331