Patent · US Expired

Process for producing conjugated dienes

US4555584A · kind A · utility

3Cited by
23References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 21, 1984
Grant dateNov 26, 1985
Priority date
Expiry dateMar 21, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C5/48
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Large surface area oxidative dehydrogenation catalysts which are suitable for converting C.sub.4 to C.sub.8 mono-olefins to conjugated dienes are disclosed, comprising the oxides of vanadium, phosphorus, tin and potassium in combination with hydrogen mordenite having a surface area between 30 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.