Patent · US Expired

Catalysts for cleaning exhaust gases

US5710084A · kind A · utility

4Cited by
2References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 11, 1995
Grant dateJan 20, 1998
Priority date
Expiry dateAug 11, 2015

Classification

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

Abstract

A catalyst for cleaning exhaust gases has a first catalyst layer having as an active metal on an elemental support at least one noble metal selected from the group consisting of platinum, rhodium and palladium and a second catalyst layer having iridium as an active metal which is provided as a overlayer on the first catalyst layer.

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