Catalyst for purifying exhaust gases and carrier for the catalyst
US4239656A · kind A · utility
37Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 1979 |
| Grant date | Dec 16, 1980 |
| Priority date | — |
| Expiry date | Apr 4, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S502/524
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst for removing nitrogen oxide, carbon monoxide and hydrocarbon impurities from exhaust gases comprising a porous carrier consisting essentially of alumina-magnesia spinel; and a metal supported thereon selected from the group consisting of platinum, palladium and mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.