Patent · US Expired

Oxidation and/or combustion catalyst for use in a catalytic exhaust system and process for its preparation

US5899678A · kind A · utility

31Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 9, 1998
Grant dateMay 4, 1999
Priority date
Expiry dateJan 9, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S502/514
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An oxidation and/or combustion catalyst comprising at least one metal or oxide thereof chosen from the group consisting of palladium, platinum, nickel, cobalt and iron which is in combination with zinc metal or zinc metal oxide so as to result in a catalyst having said metal or oxide thereof to zinc metal or zinc metal oxide in a molar ratio of 1:2 and the catalyst is in the form of a close admixture or alloy, the catalyst further comprising a rare earth metal oxide.

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