Exhaust gas purification catalyst
US8318632B2 · kind B2 · utility
13Cited by
43References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2011 |
| Grant date | Nov 27, 2012 |
| Priority date | — |
| Expiry date | Jun 17, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An exhaust gas purification catalyst includes a substrate, and a first catalyst layer formed on the substrate, the first catalyst layer containing palladium and/or platinum and alumina doped with an alkaline-earth metal element. The exhaust gas purification catalyst has a correlation coefficient ρAl,AE given by the following formula of 0.75 or more:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.