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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10137433 B1

PDFFull Text
Date of Patent:
Nov. 27, 2018

Filed:

Dec. 02, 2016

Catalyst and method for preparing a catalyst

Applicant:

Johnson Matthey Catalysts (Germany) Gmbh, Redwitz, DE;

Inventors:

Rainer Leppelt, Redwitz, DE;

Jõrg Werner Münch, Redwitz, DE;

Dominic Santi, Redwitz, DE;

Assignee:

JOHNSON MATTHEY CATALYSTS (GERMANY) GMBH, Redwitz, DE;

Attorney:
Primary Examiner:

Colin W Slifka

Int. Cl.
CPC ...
B01J 21/06 (2006.01); B01J 23/22 (2006.01); B01J 35/10 (2006.01); B01J 37/02 (2006.01); B01J 35/00 (2006.01); B01J 21/04 (2006.01); B01D 53/94 (2006.01); B01J 27/16 (2006.01); B01J 31/06 (2006.01); B01J 35/04 (2006.01);
U.S. Cl.
CPC ...
B01J 21/063 (2013.01); B01D 53/9436 (2013.01); B01J 21/04 (2013.01); B01J 23/22 (2013.01); B01J 27/16 (2013.01); B01J 31/069 (2013.01); B01J 35/0006 (2013.01); B01J 35/0013 (2013.01); B01J 35/04 (2013.01); B01J 35/10 (2013.01); B01J 37/0217 (2013.01); B01J 37/0219 (2013.01); B01J 37/0244 (2013.01); B01D 53/9418 (2013.01); B01D 2251/2062 (2013.01); B01D 2255/2092 (2013.01); B01D 2255/20707 (2013.01); B01D 2255/20723 (2013.01); B01D 2255/20776 (2013.01); B01D 2255/30 (2013.01); B01D 2255/40 (2013.01); B01D 2255/9032 (2013.01); B01D 2255/9202 (2013.01); B01D 2255/9205 (2013.01); B01D 2257/404 (2013.01); B01D 2257/406 (2013.01);
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.

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