Catalyst for purifying an exhaust gas and a preparation process of the catalyst
US7390770B2 · kind B2 · utility
7Cited by
10References
7Claims
0Family size
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Key dates
| Filing date | Apr 14, 2006 |
| Grant date | Jun 24, 2008 |
| Priority date | — |
| Expiry date | Apr 14, 2026 |
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 containing carbon monoxide and volatile organic compounds, which has a coat layer of a carrier composed of a porous inorganic compound, wherein the coat layer is a single layer, the porous inorganic compound has a BET specific surface area of 50 m2/g or greater, and the coat layer has, within a 50 μm depth from the surface thereof, an active metal having a particle size of 15 nm or less and composed of at least one noble metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.