Patents Assigned to Amoco Corporated - Justia Patents Search

Patents Assigned to Amoco Corporated

Process for the manufacture of maleic anhydride utilizing catalysts reactivated with an ester of orthophosphoric acid in the presence of water

Patent number: 4780548

Abstract: A process for the reactivation of vanadium-phosphorus-oxygen catalyst with alkyl esters of phosphoric acid and water is disclosed. The catalysts are useful for the manufacture of maleic anhydride from C.sub.4 hydrocarbon benzene feedstock.

Type: Grant

Filed: June 18, 1987

Date of Patent: October 25, 1988

Assignee: Amoco Corporated

Inventors: Robert C. Edwards, Carl A. Udovich