Exhaust gas purifying catalyst
US6797668B2 · kind B2 · utility
27Cited by
29References
18Claims
0Family size
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Key dates
| Filing date | Dec 10, 2001 |
| Grant date | Sep 28, 2004 |
| Priority date | — |
| Expiry date | Apr 24, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst for purifying exhaust gases from internal combustion engines with high efficiencies of CO/NOx even under the conditions large A/F fluctuations. The catalyst includes a complex in which the oxides of cerium are deposited on a solid solution oxide containing Zr and Ce.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.