Filter for the aftertreatment of exhaust gases of internal combustion engines
US12270326B2 · kind B2 · utility
0Cited by
8References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2022 |
| Grant date | Apr 8, 2025 |
| Priority date | — |
| Expiry date | Mar 22, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01N2510/068
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a wall-flow filter for removing particles from the exhaust gas of an internal combustion engine, which comprises a coating F, which comprises a sintered material S, wherein material S comprises an oxide, oxide-hydroxide, carbonate, sulphate, silicate, phosphate, mixed oxide, composite oxide, molecular sieve or a mixture comprising two or more of these materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.