Exhaust gas purification catalyst for motor vehicle
US10022708B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Sep 3, 2014 |
| Grant date | Jul 17, 2018 |
| Priority date | — |
| Expiry date | May 11, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An exhaust gas purification catalyst having a base and a catalytic coating layer formed thereon includes an alumina support, a platinum-group metal, an iron oxide-zirconia-based composite oxide, and a lanthanoid oxide in the same catalytic coating layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.