Diesel oxidation catalyst and exhaust system
US9636634B2 · kind B2 · utility
19Cited by
12References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2015 |
| Grant date | May 2, 2017 |
| Priority date | — |
| Expiry date | Mar 7, 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 a first platinum group metal (PGM), a first support material and a NOx storage component; a second washcoat region comprising platinum (Pt), manganese (Mn) and a second support material; and a substrate having an inlet end and an outlet end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.