Oxidation catalyst resistant to sulfation
US5145825A · kind A · utility
53Cited by
30References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 8, 1991 |
| Grant date | Sep 8, 1992 |
| Priority date | — |
| Expiry date | Apr 8, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J23/42
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A sulfur-resistant CO, hydrocarbon and SO.sub.x oxidation catalyst is provided comprising silica particles which have been coated with titania or zirconia or precursors thereof and which have deposited thereon a precious metal such as platinum. The coated silica catalyst can be included in a washcoat for application to a ceramic honeycomb carrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.