Catalyst compositions especially useful for preparation of unsat

Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants

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252462, 252467, 252468, 252469, B01J 2718, B01J 2310, B01J 2378, B01J 2388

Patent

active

043594077

ABSTRACT:
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, Ni, Zn, Cu, Mg, Mn, Bi, Ti, Zr, Sn, P, an alkali metal, an alkaline earth metal, lanthanum or an element of the lanthanoid series. These catalysts are especially useful for producing acrylic acid from acrolein and for producing methacrylic acid from methacrolein.

REFERENCES:
patent: 3567772 (1971-03-01), Yanagita et al.
patent: 3567773 (1971-03-01), Yamaguchi et al.
patent: 3644509 (1972-02-01), Allen
patent: 3736354 (1973-05-01), Yanagita et al.

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