NOX purification catalyst
US9084988B2 · kind B2 · utility
1Cited by
1References
6Claims
0Family size
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Key dates
| Filing date | Mar 13, 2014 |
| Grant date | Jul 21, 2015 |
| Priority date | — |
| Expiry date | Mar 13, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB82Y30/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a catalyst able to exhibit an NOx purification performance at a low temperature and/or in an oxidizing atmosphere, that is, a nitrogen oxides purification catalyst composed of particles having an average particle size of 0.2 to 100 nm and including gold atoms and iron atoms in a state of close proximity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.