Simultaneous production of methacrylic acid and a...

Details Simultaneous production of methacrylic acid and a... Simultaneous production of methacrylic acid and a...

C - Chemistry, Metallurgy

07

C

260/521, 260/482

C07C 57/04 (2006.01) B01J 27/18 (2006.01) C07C 51/25 (2006.01) C07C 69/54 (2006.01)

Patent

CA 1094098

ABSTRACT OF THE DISCLOSURE: A process for simultaneously producing methacrylic acid and a methacrylate or acrylic acid and an acrylate by reacting methacrolein or acrolein with an aliphatic alcohol and molecular oxygen in the vapor phase by using a catalyst comprising (1) palladium, (2) phosphorous, (3) antimony, (4) X and (5) oxygen wherein X denotes at least one element selected from the group consisting of potassium, sodium, lithium, rubidium, cerium, beryllium, lead, magnesium, calcium, strontium, zinc, barium, thorium, bismuth, chromium, iron, nickel, cobalt, vanadium, manganese, tin, uranium and rhenium.

291815

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