Catalyst compositions especially useful for preparation of...

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B01J 23/12 (2006.01) B01J 23/30 (2006.01) B01J 23/34 (2006.01) B01J 23/88 (2006.01) B01J 27/199 (2006.01) C07C 51/25 (2006.01)

Patent

CA 1055468

CATALYST COMPOSITIONS ESPECIALLY USEFUL FOR PREPARATION OF UNSATURATED ACIDS ABSTRACT OF THE DI DISCLOSURE The present invention is a catalyst composition consisting of oxides or oxide complexes that contains catalytically significant amounts of uranium or thorium plus, tungsten, vanadium and molybdenum plus optionally one or more of Co, Fe, Ni, ZN, Cu, Mg, Mn, Bi, Ti, Zr, Sn, P an alkali metal, an alkaline earth metal, lanthanum or an element of the lantbanoid series. These catalysts are especially useful for producing acrylic acid from acrolein and for producing methacrylic acid from methacrolein.

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