Particle filter with a plurality of coatings
US12359595B2 · kind B2 · utility
0Cited by
28References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2019 |
| Grant date | Jul 15, 2025 |
| Priority date | — |
| Expiry date | Mar 13, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a wall-flow filter, to a method for the production and the use of the filter for reducing harmful exhaust gases of an internal combustion engine. The wall-flow filter was produced by exposing the filter at least twice successively to a powder-gas aerosol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.