Exhaust gas-purifying catalyst
US10099204B2 · kind B2 · utility
2Cited by
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9Claims
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Key dates
| Filing date | Apr 10, 2017 |
| Grant date | Oct 16, 2018 |
| Priority date | — |
| Expiry date | Apr 10, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An exhaust gas-purifying catalyst of the present invention comprises a substrate, and one or more catalytic layers provided on the substrate, wherein at least one of the catalytic layers (i) contains a precious metal, alumina, and an acidic oxide element, (ii) has a correlation coefficient ρAl,AE of 0.70 or more, and (iii) has a correlation coefficient ρPM,AE of 0.70 or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.