Catalyst for purifying exhaust gases
US3953363A · kind A · utility
9Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 1974 |
| Grant date | Apr 27, 1976 |
| Priority date | — |
| Expiry date | Feb 11, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst for removing nitrogen oxides, carbon monoxide, and hydrocarbons in exhaust gases, said catalyst being prepared by supporting copper and nickel on a carrier and then further supporting at least two components selected from the group consisting of iridium, rhodium and ruthenium, the atomic weight ratio of copper to nickel being 0.2 to 5, the atomic weight ratio of the sum of copper and nickel to the sum of at least two components selected from the group consisting of iridium, rhodium and ruthenium being 10 to 100,000, and the total weight of copper and nickel being 10 to 200 g per liter of the catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.