Catalyst for purifying exhaust gas and method for purifying exhaust gas
US5951956A · kind A · utility
2Cited by
8References
6Claims
0Family size
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Key dates
| Filing date | Feb 17, 1995 |
| Grant date | Sep 14, 1999 |
| Priority date | — |
| Expiry date | Feb 17, 2015 |
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 for simultaneously removing carbon monoxide, hydrocarbons and nitrogen oxides contained in the exhaust gas under an oxygen rich atmosphere, comprising a carrier composed of a porous material, and barium oxide, lanthanum oxide and platinum supported on the carrier, and a method for purifying an exhaust gas by bringing the exhaust gas under an oxygen rich atmosphere into contact with the above-mentioned catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.