Catalysed soot filter for treating the exhaust gas of a compression ignition engine
US9057310B2 · kind B2 · utility
8Cited by
19References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2013 |
| Grant date | Jun 16, 2015 |
| Priority date | — |
| Expiry date | Nov 21, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S502/52713
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalysed soot filter comprising an oxidation catalyst for treating carbon monoxide (CO) and hydrocarbons (HCs) in exhaust gas from a compression ignition engine disposed on a filtering substrate, wherein the oxidation catalyst comprises: a platinum group metal (PGM) component selected from the group consisting of a platinum (Pt) component, a palladium (Pd) component and a combination thereof; an alkaline earth metal component; a support material comprising a modified alumina incorporating a heteroatom component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.