Method for purifying exhaust gases
US5330732A · kind A · utility
17Cited by
9References
19Claims
0Family size
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Inventors
Key dates
| Filing date | Apr 17, 1992 |
| Grant date | Jul 19, 1994 |
| Priority date | — |
| Expiry date | Apr 17, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for the catalytic purification of an oxygen-rich exhaust gas, wherein the catalyst comprises: a catalyst support, a zeolyte layer formed on the catalyst support and noble metals such as platinum, palladium and rhodium loaded on the catalyst. The catalyst for purifying the exhaust gas maintains a superior exhaust gas conversion performance over a long period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.