| abstract |
A process for producing methyl methacrylate, the process comprising reacting reactants comprising methacrolein, methanol and an oxygen-containing gas in the presence of a solid catalyst comprising palladium, bismuth and at least one third element X under reaction conditions Wherein X is selected from the group consisting of P, S, Sc, V, Ga, Se, Y, Nb, Mo, La, Ce and Nd, And a support selected from at least one member selected from the group consisting of calcium carbonate, activated carbon, zinc oxide, titanium oxide, and magnesium oxide. |