B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
260/521, 252/53.
B01J 27/14 (2006.01) B01J 23/64 (2006.01) B01J 27/186 (2006.01) C07C 51/23 (2006.01) C07C 51/25 (2006.01)
Patent
CA 1074772
ABSTRACT OF THE DISCLOSURE 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, rubidium, lithium, cerium, beryllium, magnesium, calcium, vanadium, strontium, zinc, thorium and rhenium. There is also provided a process for the manufacture of methacrylic of acrylic acid by oxidizing methacrolein or acrolein with molecular oxygen in the vapor phase in the presence of the catalyst defined above.
268363
Kojima Toshitake
Ogawa Masanobu
LandOfFree
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