Catalyst device for exhaust gas purification and method for exhaust gas purification
US9732648B2 · kind B2 · utility
3Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2014 |
| Grant date | Aug 15, 2017 |
| Priority date | — |
| Expiry date | Feb 3, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An exhaust gas purification catalytic device 1 contains Pt, Pd, and Rh as catalytic metals. The catalytic metal Pt is loaded on silica-alumina which serves as a support, and Pt-loaded silica-alumina obtained by loading the Pt on the silica-alumina is contained in a catalytic layer with which an exhaust gas contacts first.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.