Pollution control catalyst for internal combustion engine exhaust system/catalytic converter
US4378307A · kind A · utility
21Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 1980 |
| Grant date | Mar 29, 1983 |
| Priority date | — |
| Expiry date | Sep 16, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A pollution control catalyst for a catalytic converter comprising the exhaust system of an internal combustion engine, said catalyst including a refractory oxide support, and an activated phase therefor comprised of 0.3 to 7% by weight cerium based upon the weight of said support, 0.1 to 3.5% by weight iron, also based upon the weight of said support, at least one platinum or palladium metal, and at least one iridium or rhodium metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.