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.

Date of Patent:
May. 03, 2022

Filed:

Jul. 16, 2019
Applicant:

Exxonmobil Research and Engineering Company, Annandale, NJ (US);

Inventors:

Matthew S. Ide, Doylestown, PA (US);

Changmin Chun, Raritan, NJ (US);

Anastasios I. Skoulidas, Pittstown, NJ (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/78 (2006.01); B01J 21/04 (2006.01); B01J 23/94 (2006.01); B01J 38/02 (2006.01); B01J 37/16 (2006.01); B01J 38/12 (2006.01); B01J 35/00 (2006.01); C01B 3/40 (2006.01); B01J 12/00 (2006.01); B01J 35/04 (2006.01);
U.S. Cl.
CPC ...
B01J 23/78 (2013.01); B01J 12/007 (2013.01); B01J 21/04 (2013.01); B01J 23/94 (2013.01); B01J 35/0066 (2013.01); B01J 35/04 (2013.01); B01J 37/16 (2013.01); B01J 38/02 (2013.01); B01J 38/12 (2013.01); C01B 3/40 (2013.01); C01B 2203/0233 (2013.01); C01B 2203/0238 (2013.01); C01B 2203/1023 (2013.01); C01B 2203/1058 (2013.01); C01B 2203/1082 (2013.01); C01B 2203/1241 (2013.01);
Abstract

Ceramic compositions with catalytic activity are provided, along with methods for using such catalytic ceramic compositions. The ceramic compositions correspond to compositions that can acquire increased catalytic activity by cyclic exposure of the ceramic composition to reducing and oxidizing environments at a sufficiently elevated temperature. The ceramic compositions can be beneficial for use as catalysts in reaction environments involving swings of temperature and/or pressure conditions, such as a reverse flow reaction environment. Based on cyclic exposure to oxidizing and reducing conditions, the surface of the ceramic composition can be converted from a substantially fully oxidized state to various states including at least some dopant metal particles supported on a structural oxide surface.


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