Patent · US Active

Catalyst blends

US9126180B2 · kind B2 · utility

7Cited by

4References

16Claims

0Family size

Assignee

Johnson Matthey Public Limited Company · GB

Inventors

Joseph Michael Fedeyko · Glen Mills, US
Hai-Ying Chen · Conshohocken, US
Guy Richard Chandler · Cambridge, GB
Alexander Nicholas Michael Green · Royston, GB
Debnath De · Malvern, US
Shadab Mulla · Pottstown, US
Wendy Manning · Barto, US
Philip Gerald Blakeman · Philadelphia, US

Key dates

Filing date	Jan 28, 2013
Grant date	Sep 8, 2015
Priority date	—
Expiry date	Jan 28, 2033

Classification

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

Abstract

Provided is a catalyst for selective catalytic reduction of NOx in a lean-burn exhaust gas comprising a 0.8:1.0 to 1.2:1.0 blend of a metal promoted aluminosilicate having a CHA structure and a metal promoted silicoaluminophosphate having a CHA structure, respectively, wherein the silicoaluminophosphate is characterized by a higher promotion metal loading compared to the aluminosilicate.

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