Patent · US Active

Particle filter with a plurality of coatings

US12359595B2 · kind B2 · utility

0Cited by
28References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 7, 2019
Grant dateJul 15, 2025
Priority date
Expiry dateMar 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.