Exhaust gas purification catalyst and the method for producing the same
US9561496B2 · kind B2 · utility
0Cited by
9References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2016 |
| Grant date | Feb 7, 2017 |
| Priority date | — |
| Expiry date | Mar 21, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J37/0219
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An object of the present invention is to provide an exhaust gas purification catalyst having an improved NOx purification performance in a lean atmosphere; and a method for producing the same. The method for producing an exhaust gas purification catalyst according to the present invention includes sputtering a target material containing Nb and Rh to produce fine composite-metal particles containing Nb and Rh.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.