Patent · US Expired

Multimetal oxide containing silver, vanadium and a promoter metal and use thereof

US7462727B2 · kind B2 · utility

0Cited by
14References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 23, 2004
Grant dateDec 9, 2008
Priority date
Expiry dateOct 12, 2024

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2523/00
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A multimetal oxide of the formula I,Aga-cQbMcV2Od*e H2O,  Iwhere a is from 0.3 to 1.9, Q is an element selected from among P, As, Sb and/or Bi, is from 0 to 0.3, M is a metal selected from among Nb, Ce, W, Mn, Ta, Pd, Pt, Ru and/or Rh, c is from 0.001 to 0.5, with the proviso that (a-c)≧0.1, d is a number which is determined by the valence and abundance of the elements other than oxygen in the formula I and e is from 0 to 20, and also precatalysts and catalysts produced therefrom for the partial oxidation of aromatic hydrocarbons are described.

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