Gas purifying catalyst for internal combustion engine
US8940659B2 · kind B2 · utility
1Cited by
14References
13Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 12, 2013 |
| Grant date | Jan 27, 2015 |
| Priority date | — |
| Expiry date | Jun 12, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S502/52713
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed is a gas purifying catalyst for an internal combustion engine comprising: a carrier and a catalyst layer formed on the carrier, the catalyst layer including a first catalyst, a second catalyst and a third catalyst. The first catalyst comprises Pd supported in a first support, the first support comprising alumina. The second catalyst comprises Rh supported in a second support, the second support comprising a complex oxide of ceria-zirconia. The third catalyst comprising Pd supported in a third support, the third support comprising a complex oxide of ceria-zirconia.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.