Alkaline earth / rare earth lean NOx catalyst
US6864213B2 · kind B2 · utility
12Cited by
15References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2001 |
| Grant date | Mar 8, 2005 |
| Priority date | — |
| Expiry date | Apr 21, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J37/038
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst for treating an exhaust gas stream comprising a NOx occluding catalyst structure having an outer layer comprising an alkaline earth component and a rare earth component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.