Abstract: An improved process for catalytically oxidizing alpha-beta unsaturated aliphatic aldehydes in the vapor phase with molecular oxygen to produce alpha-beta unsaturated carboxylic acids using a catalyst composition which has been thermally activated in the presence of ammonia, and which comprises the elements Mo, V, W, Cr and Cu.
Type:
Grant
Filed:
October 18, 1973
Date of Patent:
September 5, 1978
Assignee:
Union Carbide Corporation
Inventors:
Abraham N. Kurtz, Robert W. Cunningham, Alfred W. Naumann
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