Filter system
US7753978B2 · kind B2 · utility
0Cited by
10References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2006 |
| Grant date | Jul 13, 2010 |
| Priority date | — |
| Expiry date | Jun 15, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2279/30
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter for engine exhaust gases includes a housing coupled to an engine to receive engine exhaust gases, and a filter media which is located in the housing. The filter media includes a plurality of filter passages, and a plurality of particles of a transition metal deposited on at least a portion of the filter media. The size of the particles are approximately thirty nanometers or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.