Catalyst for preparing maleic anhydride from C.sub.4 hydrocarbon

Details Catalyst for preparing maleic anhydride from C.sub.4 hydrocarbon Catalyst for preparing maleic anhydride from C.sub.4 hydrocarbon

1975-03-17

1977-04-19

Douglas, Winston A.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252437, B01J 2714

Patent

active

040187098

ABSTRACT:
A catalyst complex useful for converting normal C.sub.4 hydrocarbons to maleic anhydride in vapor phase comprising as components vanadium, phosphorus, an element selected from the group of U, W, or a mixture of elements from the group Zn, Cr, U, W, Cd, Ni, B or Si.

REFERENCES:
patent: 2777860 (1957-01-01), Egbert
patent: 3086026 (1963-04-01), Wiebusch
patent: 3156706 (1964-11-01), Kerr
patent: 3393207 (1968-07-01), Ono
patent: 3433823 (1969-03-01), McMahon
patent: 3478063 (1969-11-01), Friedrichsen
patent: 3838067 (1974-09-01), Baker
patent: 3862146 (1975-01-01), Boghosian
patent: 3875220 (1975-04-01), White et al.
patent: 3888886 (1975-06-01), Young et al.

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