Catalyst for purifying exhaust gas
US5807528A · kind A · utility
14Cited by
8References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 13, 1993 |
| Grant date | Sep 15, 1998 |
| Priority date | — |
| Expiry date | Oct 13, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst for purifying an exhaust gas to remove nitrogen oxides, carbon monoxide and hydrocarbons from an oxygen rich exhaust gas containing the same, comprising (i) a zeolite having an SiO.sub.2 /Al.sub.2 O.sub.3 mole ratio of at least 15 and (ii) (a) silver and, optionally, (b) an alkali metal and/or an alkaline earth metal incorporated therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.