Catalytic composition for treating a NOx-containing exhaust gas
US11904305B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | May 6, 2022 |
| Grant date | Feb 20, 2024 |
| Priority date | — |
| Expiry date | May 6, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalytic composition for treating a NOx-containing exhaust gas, wherein the composition comprises a copper-substituted zeolite comprising: i) Ce in a total amount of about 0.1 to about 200 g/ft3; and ii) Mn in a total amount of about 0.1 to about 200 g/ft3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.