Patent · US Active

NOx absorber catalysts

US8641993B2 · kind B2 · utility

8Cited by

20References

23Claims

0Family size

Assignee

Johnson Matthey Public Limited Company · GB

Inventors

Ralf Dotzel · Burgkunstadt, DE
Rainer Leppelt · Lichtenfels, DE
Elizabeth Hazel Mountstevens · Royston, GB
Jörg Werner Münch · Lichtenfels, DE
Paul Richard Phillips · Royston, GB
Hubert Schedel
Daniel Swallow · Sandy, GB

Key dates

Filing date	Feb 1, 2011
Grant date	Feb 4, 2014
Priority date	—
Expiry date	Feb 1, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49345
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A NOx absorber catalyst comprising an extruded solid body comprises either:

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