Catalyst for catalytic reduction of nitrogen oxide
US5474965A · kind A · utility
22Cited by
6References
20Claims
0Family size
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Key dates
| Filing date | Dec 13, 1993 |
| Grant date | Dec 12, 1995 |
| Priority date | — |
| Expiry date | Dec 13, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2255/2068
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A novel catalyst for catalytic reduction of nitrogen oxide using a hydrocarbon as a reducing agent is provided, which comprises (a) at least an element of the platinum group selected from the group consisting of platinum, iridium, rhodium and ruthenium and (b) gold, and which may further comprises (c) at least a metallic oxide selected from the group consisting of cerium oxide, lanthanum oxide, neodymium oxide, germanium oxide and gallium oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.