Catalyst for exhaust gas purification and manufacturing method thereof
US12042789B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Dec 1, 2022 |
| Grant date | Jul 23, 2024 |
| Priority date | — |
| Expiry date | Dec 1, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01N2510/06
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst for purifying exhaust gas includes a first catalyst including a first metal oxide on which platinum (Pt) and rhodium (Rh) are supported, and a second catalyst including a second metal oxide on which palladium (Pd) and platinum (Pt) are supported, wherein the first catalyst and the second catalyst are physically mixed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.