Vanadium phosphorus oxygen oxidation catalysts useful for prepar

Details Vanadium phosphorus oxygen oxidation catalysts useful for prepar Vanadium phosphorus oxygen oxidation catalysts useful for prepar

1975-10-02

1977-11-01

Douglas, Winston A.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252437, B01J 2714

Patent

active

040564878

ABSTRACT:
A catalyst complex useful for the partial oxidation of alkanes to the corresponding anhydrides, e. g., converting normal C.sub.4 hydrocarbons to maleic anhydride in vapor phase, comprising as components vanadium, phosphorus, oxygen, Nb, Cu, Mo, Ni, Co and Cr. Preferred are those compositions containing in additiion one or more of Ce, Nd, Ba, Hf, U, Ru, Re, Li or Mg.

REFERENCES:
patent: 3086026 (1963-04-01), Wiebusch
patent: 3156706 (1964-11-01), Kerr
patent: 3255212 (1966-06-01), Kerr
patent: 3297587 (1967-01-01), Scherhag et al.
patent: 3736354 (1973-05-01), Yanagita et al.
patent: 3875220 (1975-04-01), White et al.
patent: 3888886 (1975-06-01), Young et al.
patent: 3895095 (1975-07-01), Kobylinski et al.
patent: 3912763 (1975-10-01), Farha et al.

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