Patent · US Expired

Process for the production of aromatic acids

US6160170A · kind A · utility

10Cited by
3References
21Claims
0Family size

Inventor

Key dates

Filing dateJun 25, 1999
Grant dateDec 12, 2000
Priority date
Expiry dateJun 25, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C51/265
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Process for producing mono- and poly-carboxylic aromatic acids by oxidation of the corresponding precursors with molecular oxygen and/or air in the presence of a catalytic complex formed by a combination of at least one metal selected from ruthenium, iridium, platinum and palladium, and/or at least one metal of Group VIIA, principally rhenium; and/or cerium, and B at least one metal belonging IVA of the periodic table of elements, principally zirconium and/or hafnium.

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