Catalyst for purifying exhaust gas
US5443803A · kind A · utility
24Cited by
3References
10Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Aug 7, 1992 |
| Grant date | Aug 22, 1995 |
| Priority date | — |
| Expiry date | Aug 7, 2012 |
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 comprising a zeolite catalyst ion exchanged with cobalt and at least one alkaline earth metal and a zeolite catalyst ion-exchanged with copper, provided on an inlet side of an exhaust gas stream and an outlet side of the exhaust gas respectively, or randomly present in a mixed state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.