Exhaust gas treatment system
US9981251B2 · kind B2 · utility
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22References
20Claims
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Key dates
| Filing date | Jun 15, 2015 |
| Grant date | May 29, 2018 |
| Priority date | — |
| Expiry date | Jun 15, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention provides an exhaust gas treatment system comprising an oxidation catalyst and an SCR catalyst, wherein the oxidation catalyst comprises an inert ceramic or metal honeycomb body and a catalytically active coating comprising a platinum group metal supported on a refractory support oxide and lanthanum wherein lanthanum is present in an amount of at least 13% by weight calculated as La2O3 and based on the weight of the refractory support material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.