SO.sub.2 -tolerant silver oxide catalysts
US5980844A · kind A · utility
9Cited by
8References
5Claims
0Family size
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Inventor
Key dates
| Filing date | Apr 9, 1998 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Apr 9, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2255/9202
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An SO.sub.2 -tolerant catalyst for reducing NO.sub.x, in exhaust gas from internal combustion, wherein the exhaust gas contains unburnt hydrocarbons and oxygen comprising silver oxide dispersed on alumina characterized in that such catalyst is white in color.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.