NOx adsorber catalyst
US10974228B2 · kind B2 · utility
5Cited by
37References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2018 |
| Grant date | Apr 13, 2021 |
| Priority date | — |
| Expiry date | Mar 28, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A lean NOx trap catalyst and its use in an emission treatment system for internal combustion engines is disclosed. The lean NOx trap catalyst comprises a first layer, a second layer, and a third layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.