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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 11161098 B1

PDFFull Text
Date of Patent:
Nov. 02, 2021

Filed:

May. 18, 2018

Three-way catalyst

Applicant:

Umicore Ag & Co. KG, Hanau-Wolfgang, DE;

Inventors:

John Nunan, Tulsa, OK (US);

Ryan J. Andersen, Owasso, OK (US);

Curt M. Ellis, Bixby, OK (US);

John Kraus, Tulsa, OK (US);

Marcus Williams, Broken Arrow, OK (US);

Deven Ross, Bloomfield Hills, MI (US);

Assignee:

UMICORE AG & CO. KG, Hanau-Wolfgang, DE;

Attorney:

Smith, Gambrell & Russell, LLP

Primary Examiner:

Cam N Nguyen

Int. Cl.
CPC ...
B01J 21/04 (2006.01); B01J 21/06 (2006.01); B01J 21/08 (2006.01); B01J 21/10 (2006.01); B01J 21/12 (2006.01); B01J 21/14 (2006.01); B01J 23/00 (2006.01); B01J 23/10 (2006.01); B01J 23/12 (2006.01); B01J 23/44 (2006.01); B01J 23/46 (2006.01); B01J 23/56 (2006.01); B01J 35/00 (2006.01); B01J 35/04 (2006.01); F01N 13/00 (2010.01); F01N 3/28 (2006.01); B01D 53/94 (2006.01); B01J 37/02 (2006.01); F01N 3/10 (2006.01);
U.S. Cl.
CPC ...
B01J 23/464 (2013.01); B01D 53/945 (2013.01); B01D 53/9468 (2013.01); B01D 53/9472 (2013.01); B01D 53/9477 (2013.01); B01J 21/04 (2013.01); B01J 23/44 (2013.01); B01J 35/0006 (2013.01); B01J 35/04 (2013.01); B01J 37/0228 (2013.01); B01J 37/0244 (2013.01); F01N 3/28 (2013.01); F01N 13/0093 (2014.06); B01D 2255/1023 (2013.01); B01D 2255/1025 (2013.01); B01D 2255/9022 (2013.01); B01D 2255/9032 (2013.01); F01N 3/101 (2013.01); F01N 2510/0682 (2013.01);
Abstract

The present invention relates to a catalyst comprising a carrier substrate of the length L extending between substrate ends a and b and two washcoat zones A and B, wherein washcoat zone A comprises a first platinum group metal and extends starting from substrate end a over a part of the length L, and washcoat zone B comprises the same components as washcoat zone A and in addition a second platinum group metal and extends from substrate end b over a part of the length L, wherein L=L+L, wherein Lis the length of washcoat zone A and Lis the length of substrate length B.

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