Vapor phase oxidation of unsaturated aliphatic hydrocarbon to ma

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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252435, 252437, 260533R, 252432, C07D30760

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active

040061671

ABSTRACT:
Unsaturated hydrocarbons having 4 to 6 carbon atoms are catalytically oxidized into maleic anhydride at relatively low temperatures in the range of 300.degree. C to 450.degree. C. The catalyst used consists essentially of oxides of vanadium, phosphorus, zirconium, and at least one element selected from manganese, boron, cadmium, silver, bismuth and zinc.

REFERENCES:
patent: 3156705 (1964-11-01), Kerr
patent: 3684741 (1972-08-01), Friedrichsen et al.
patent: 3868393 (1975-02-01), Reuter et al.

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