Method of cleaning an exhaust gas containing nitrogen oxides and fine carbon-containing particulates
US5154901A · kind A · utility
21Cited by
5References
2Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 6, 1991 |
| Grant date | Oct 13, 1992 |
| Priority date | — |
| Expiry date | Sep 6, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An exhaust gas cleaner comprising a catalyst carried on a heat-resistant ter, the catalyst comprising (a) one or more alkali metals, (b) one or more metals selected from the group consisting of Zn, Sn and transition metals excluding platinum-group metals, and (c) one or more rare earth metals, and a method of cleaning an exhaust gas with it. Alkali metals may be added to a fuel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.