Patent · US Expired

Pollution control catalyst for internal combustion engine exhaust gases and process for producing it

US4680282A · kind A · utility

16Cited by

6References

23Claims

0Family size

Assignee

Procatalyse · FR

Inventors

Gilbert Blanchard · Belleville, FR
Michel Prigent · Rueil-Malmaison, FR

Key dates

Filing date	Jul 30, 1985
Grant date	Jul 14, 1987
Priority date	—
Expiry date	Jul 30, 2005

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J23/63
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A multifunctional pollution control catalyst for the treatment of exhaust gases from internal combustion engines is comprised of a catalyst support having an active catalytic phase deposited thereon, said active catalytic phase comprising catalytically effective amounts of (i) zirconium, (ii) cerium, (iii) palladium, (iv) iridium and/or rhodium, and, optionally, (v) iron.

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