Catalyst for the conversion of vehicular exhaust gases and process for preparing the catalyst
US4931419A · kind A · utility
42Cited by
5References
43Claims
0Family size
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Key dates
| Filing date | Oct 21, 1988 |
| Grant date | Jun 5, 1990 |
| Priority date | — |
| Expiry date | Oct 21, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Improvedly time-stable catalysts adopted for the treatment of internal combustion engine exhaust gases include a monolithic catalyst support impregnated with a plurality of catalytically active phases, one section of the support being impregnated with a first catalytically active phase and remaining section of the support being impregnated with a second catalytically active phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.