Exhaust gas purifying catalyst
US6770251B2 · kind B2 · utility
25Cited by
5References
20Claims
0Family size
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Inventor
Key dates
| Filing date | Jun 22, 2001 |
| Grant date | Aug 3, 2004 |
| Priority date | — |
| Expiry date | Nov 18, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst is provided that is capable of efficiently purifying NOx contained in a lean atmosphere containing moisture. The exhaust gas purifying catalyst contains a composition obtained by physically mixing a composite oxide containing zirconium and manganese and/or cobalt with a zeolite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.