NOx adsorber catalyst
US11365660B2 · kind B2 · utility
0Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2017 |
| Grant date | Jun 21, 2022 |
| Priority date | — |
| Expiry date | Jun 9, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A NOx adsorber catalyst and its use in an emission treatment system for internal combustion engines, is disclosed. The NOx adsorber catalyst comprises a first layer consisting essentially of a support material, one or more platinum group metals disposed on the support material, and a NOx storage material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.