Patent · US Expired

Catalysts for low temperature selective oxidation of propylene, methods of making and using the same

US6143928A · kind A · utility

8Cited by
18References
48Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 10, 1998
Grant dateNov 7, 2000
Priority date
Expiry dateAug 10, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/582
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A mixed metal oxide catalytic system consisting of molybdenum, vanadium, palladium, lanthanum, niobium and X, wherein X is copper and/or chromium, providing higher yields of acrylic acid and acrolein in the low temperature oxidation of propylene with a molecular oxygen-containing gas without the production of side products such as CO.

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