Patent · US Active

Extruded honeycomb catalyst

US10443472B2 · kind B2 · utility

1Cited by

4References

27Claims

0Family size

Assignee

Johnson Matthey Public Limited Company · GB

Inventors

Guy Richard Chandler · Cambridge, GB
Neil Robert Collins · Royston, GB
Ralf Dotzel · Burgkunstadt, DE
Joerg Werner Muench · Burgkunstadt, DE
Paul Richard Phillips · Royston, GB
Gudmund Smedler · Bleket, SE
Andrew Peter Walker · Royston, GB

Key dates

Filing date	Oct 20, 2017
Grant date	Oct 15, 2019
Priority date	—
Expiry date	Oct 20, 2037

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An extruded honeycomb catalyst for nitrogen oxide reduction according to the selective catalytic reduction (SCR) method in exhaust gases from motor vehicles includes an extruded active carrier in honeycomb form having a first SCR catalytically active component and with a plurality of channels through which the exhaust gas flows during operation, and a washcoat coating having a second SCR catalytically active component being applied to the extruded body, wherein the first SCR catalytically active component and the second SCR catalytically active component are each independently one of:

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.