Composite, zoned oxidation catalys for a compression ignition internal combustion engine
US12296319B2 · kind B2 · utility
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55References
20Claims
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Key dates
| Filing date | Oct 25, 2023 |
| Grant date | May 13, 2025 |
| Priority date | — |
| Expiry date | Oct 25, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A composite oxidation catalyst for use in an exhaust system for treating an exhaust gas produced by a vehicular compression ignition internal combustion engine is disclosed. The composite oxidation catalyst comprises a honeycomb flow-through substrate monolith and two catalyst washcoat zones arranged axially in series on and along the substrate surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.