Patent · US Active

Catalyst and method for preparing a catalyst

US10137433B2 · kind B2 · utility

0Cited by

1References

21Claims

0Family size

Assignee

Johnson Matthey Catalysts (Germany) GmbH · DE

Inventors

Rainer Leppelt · Lichtenfels, DE
Jörg Werner Münch · Lichtenfels, DE
Dominic Santi · Burgkunstadt, DE

Key dates

Filing date	Dec 2, 2016
Grant date	Nov 27, 2018
Priority date	—
Expiry date	Dec 2, 2036

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J35/56
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A catalyst with a porous, ceramic support body having a porosity which is formed by pores in at least a part of the ceramic support body, and which furthermore has a catalytically active washcoat coating applied to the ceramic support body, which catalytically active washcoat coating having a layer thickness, comprises a permanent catalytically inactive impregnation comprising at least one catalytically inactive inorganic component, and wherein the permanent inactive impregnation has a layer thickness and is present at least partially between a surface of the porous ceramic support body and the catalytically active washcoat coating is present in the pores of the ceramic support body in a region with reduced porosity underneath the surface of the ceramic support body.

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