Mixed metal 8-ring small pore molecular sieve catalyst compositions, catalytic articles, systems, and methods
US9486792B2 · kind B2 · utility
6Cited by
9References
16Claims
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Key dates
| Filing date | Dec 8, 2014 |
| Grant date | Nov 8, 2016 |
| Priority date | — |
| Expiry date | Dec 8, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2255/50
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Described are compositions and catalytic articles comprising both a copper-promoted 8-ring small pore molecular sieve and an iron-promoted 8-ring small pore molecular sieve. The catalytic articles are useful in methods and systems to catalyze the reduction of nitrogen oxides in the presence of a reductant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.