Patent · US Expired

Vanadium-phosphorus-tin-mordenite oxidation catalysts

US4388221A · kind A · utility

10Cited by
16References
31Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 3, 1981
Grant dateJun 14, 1983
Priority date
Expiry dateAug 3, 2001

Classification

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

Abstract

Oxidation catalysts having large surface areas and which are suitable for converting C.sub.4 to C.sub.10 hydrocarbons to maleic anhydride are disclosed, comprising the oxides of vanadium, phosphorus and tin in combination with hydrogen mordenite having a surface area between 100 M.sup.2 /g to 450 M.sup.2 /g and wherein the vanadium has an average valence in the range of from 3.5 to 4.95.

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