Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1985-05-13
1987-03-03
Jiles, Henry R.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
549259, C07D30760
Patent
active
046476733
ABSTRACT:
A process is provided for the preparation of attrition resistant, microspheroidal fluid bed catalysts comprising the mixed oxides of vanadium and phosphorus in which a vanadium phosphorus mixed oxided catalyst precursor is densified, comminuted, formed into fluidizable particles and calcined under fluidization-type conditions. The present invention further provides the attrition resistant fluidizable catalysts prepared by the inventive process, and further provides a process for utilizing such attrition resistant catalysts in the production of maleic anhydride in the vapor phase by the oxidation of 4 carbon atom hydrocarbons.
REFERENCES:
patent: 3625863 (1971-12-01), Heller et al.
patent: 3975300 (1976-08-01), Burress
patent: 4333853 (1982-06-01), Milberger et al.
Blum Patricia R.
Bremer Noel J.
Dria Dennis E.
Milberger Ernest C.
Nicholas Mark L.
Dentz Bernard I.
Evans Larry W.
Jiles Henry R.
Miller John E.
The Standard Oil Company
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