Patent ID: 7429682

Claim:
A catalyst for partial oxidation of methylbenzenes comprising a compound represented by the following formula (1) as an active component: WaXbYcOx (1) wherein W represents a tungsten atom, X represents one or more alkali metals selected from the group consisting of Li, Na, K, Rb, and Cs, Y represents one or more elements selected from the group consisting of Fe, Co, Ni, Cu, Mn, Re, Cr, V, Nb, Ti, Zr, Zn, Cd, Y, La, Ce, B, Al, Sn, Mg, Ca, Sr, and Ba, O stands for an oxygen atom, a, b, c and x each represent the atomic number of W, X, Y and O, respectively, the ratio of a:b:c is 12:0.001˜1:0˜5, and x is a number determined by the oxidation state of W, X, and Y.