Exhaust gas purifying catalyst and production method thereof
US9623401B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Dec 8, 2015 |
| Grant date | Apr 18, 2017 |
| Priority date | — |
| Expiry date | Dec 8, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2235/30
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An exhaust gas purifying catalyst has enhanced NOx purification performance in a lean atmosphere, and a production method for producing an exhaust gas purifying catalyst includes sputtering a target material containing Ta and Rh to form composite fine metal particles respectively containing Ta and Rh.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.