Patent ID: 6583316
Filing Date: 2003-06-24
Classification: B01J,C07C

Abstract:
A catalyst useful for catalyzing the oxidation and/or oxidative dehydrogenation of propylene, isobutylene, t-butanol, or methyl-t-butyl ether with molecular oxygen or a molecular oxygen-containing gas to produce the corresponding unsaturated aldehyde and unsaturated carboxylic acid, said catalyst composition comprising(A) a complex oxide comprising molybdenum, bismuth and iron, as essential elements and, which is effective for catalyzing a vapor phase catalytic oxidation and/or vapor phase oxidative dehydrogenation reaction of propylene, isobutylene, t-butanol or methyl-t-butyl ether, to produce the corresponding unsaturated aldehyde and unsaturated carboxylic acid, and (B) a complex oxide containing cerium and zirconium as essential components.