Diesel oxidation catalyst and exhaust system
US10286359B2 · kind B2 · utility
12Cited by
13References
20Claims
0Family size
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Key dates
| Filing date | Jan 23, 2015 |
| Grant date | May 14, 2019 |
| Priority date | — |
| Expiry date | Jan 23, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An oxidation catalyst for treating an exhaust gas from a diesel engine, which oxidation catalyst comprises: a first washcoat region comprising platinum (Pt), manganese (Mn) and a first support material; a second washcoat region comprising a platinum group metal (PGM) and a second support material; and a substrate having an inlet end and an outlet end; wherein the second washcoat region is arranged to contact the exhaust gas at the outlet end of the substrate and after contact of the exhaust gas with the first washcoat region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.