Patent · US Expired

Exhaust gas purifying catalyst

US4369132A · kind A · utility

41Cited by
7References
14Claims
0Family size

Assignees

Inventors

Key dates

Filing dateDec 8, 1980
Grant dateJan 18, 1983
Priority date
Expiry dateDec 8, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/12
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Exhaust gas purifying catalyst characterized in that a carrier carries as the catalytic elements, a Pt-family element or elements containing over 50 weight % of Pt and an alkaline metal in proportions of 0.001.about.1 mole per 1 kg of catalyst; or the carrier carries Ce additionally.

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