Patent · US Active

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 dateMar 22, 2022
Grant dateApr 8, 2025
Priority date
Expiry dateMar 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.