Emmission control catalyst article with enriched PGM zone
US12390764B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Nov 22, 2020 |
| Grant date | Aug 19, 2025 |
| Priority date | — |
| Expiry date | Apr 15, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present disclosure generally relates to emission control catalyst articles comprising a platinum group metal (PGM) enriched zone, methods of making such emission control catalyst articles, and methods of using such emission control catalyst articles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.