Compositions of lean NOx trap (LNT) systems and methods of making and using same
US9517448B2 · kind B2 · utility
16Cited by
405References
61Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 22, 2014 |
| Grant date | Dec 13, 2016 |
| Priority date | — |
| Expiry date | Oct 22, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01N2570/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present disclosure relates to a substrate comprising nanoparticle catalysts and NOx storage materials for treatment of gases, and washcoats for use in preparing such a substrate. Also provided are methods of preparation of the nanoparticle catalysts and NOx storage materials, as well as methods of preparation of the substrate comprising the nanoparticle catalysts and NOx storage materials. More specifically, the present disclosure relates to a coated substrate comprising nanoparticle catalysts and NOx storage materials for lean NOx trap (LNT) systems, useful in the treatment of exhaust gases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.