Patent · US Expired

Production of maleic anhydride

US4594433A · kind A · utility

7Cited by
1References
19Claims
0Family size

Assignees

Inventors

Key dates

Filing dateDec 10, 1984
Grant dateJun 10, 1986
Priority date
Expiry dateDec 10, 2004

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2523/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for oxidizing a hydrocarbon to maleic anhydride using a mixed oxide catalyst of vanadium and phosphorous prepared by a procedure including pretreating the dried catalyst precursor of the said mixed oxides in finely divided form with an acid solution.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.