Patent · US Expired

Process for the elimination of pollutants in exhaust gases

US3956459A · kind A · utility

6Cited by
3References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 28, 1974
Grant dateMay 11, 1976
Priority date
Expiry dateJan 28, 1994

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D53/944
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An improved process for oxidation of exhaust gases emanating from internal combustion engines which utilizes a stabilized alumina support containing a uniform distribution of cupric oxide and chromic oxide as a first promoter level and thereover palladium as a second promoter level as well as the process for manufacture thereof are disclosed.

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