Patent · US Active

Catalytic extruded, solid honeycomb body

US9937488B2 · kind B2 · utility

1Cited by

5References

22Claims

0Family size

Assignee

Johnson Matthey Catalysts (Germany) GmbH · DE

Inventors

Juergen Bauer · Burgkunstadt, DE
Ralf Dotzel · Burgkunstadt, DE
Joerg Walter Jodlauk · Burgkunstadt, DE
Rainer Leppelt · Lichtenfels, DE
Joerg Werner Muench · Burgkunstadt, DE

Key dates

Filing date	Jan 23, 2015
Grant date	Apr 10, 2018
Priority date	—
Expiry date	Jan 23, 2035

Classification

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

Abstract

An extruded, solid honeycomb body comprises a copper-promoted, small pore, crystalline molecular sieve catalyst for converting oxides of nitrogen in the presence of a reducing agent, wherein the crystalline molecular sieve contains a maximum ring size of eight tetrahedral atoms, which extruded, solid honeycomb body comprising: 20-50% by weight matrix component comprising diatomaceous earth, wherein 2-20 weight % of the extruded, solid honeycomb body is diatomaceous earth; 80-50% by weight of the small pore, crystalline molecular sieve ion-exchanged with copper; and 0-10% by weight of inorganic fibers.

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