Method for producing maleic anhydride using a promoted tungsten,

Details Method for producing maleic anhydride using a promoted tungsten, Method for producing maleic anhydride using a promoted tungsten,

1973-11-30

1977-01-18

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260533R, 252435, 252437, C07D30760

Patent

active

040039200

ABSTRACT:
Maleic anhydride is obtained by oxidizing an unsaturated hydrocarbon having at least 4 carbon atoms in the presence of a catalyst comprising the oxides of tungsten and phosphorus, and at least one catalyst promoter selected from the groups consisting of a compound of a metallic element belonging to groups III A, III B, IV A and VIII of the Periodic Table; arsenic, zirconium, antimony, and niobium.

REFERENCES:
patent: 3156705 (1964-11-01), Kerr
patent: 3296282 (1967-01-01), Kerr
patent: 3478063 (1969-11-01), Friedrichsen et al.
patent: 3906008 (1975-09-01), Ueeda

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