Catalyst for purifying exhaust gases and method for producing same
US4299734A · kind A · utility
27Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 20, 1980 |
| Grant date | Nov 10, 1981 |
| Priority date | — |
| Expiry date | May 20, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst for reducing nitrogen oxides, carbon monoxide and hydrocarbons, the noxious components in exhaust gases from internal combustion engines, etc., comprising: a porous carrier consisting essentially of zirconia and at least one oxide selected from the group consisting of cerium oxide, manganese oxide and iron oxide; and a metal as a catalyst ingredient supported thereon selected from the group consisting of platinum, palladium and mixtures thereof. A method for producing the aforesaid catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.