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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 10625246 B1

PDFFull Text
Date of Patent:
Apr. 21, 2020

Filed:

Apr. 24, 2019

Oxygen storage material and method for producing the same

Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi, JP;

Inventors:

Yoshihiro Goto, Nagakute, JP;

Akira Morikawa, Nagakute, JP;

Masahide Miura, Toyota, JP;

Nobuyuki Takagi, Toyota, JP;

Assignee:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, JP;

Attorney:

Dickinson Wright PLLC

Primary Examiner:

Cam N Nguyen

Int. Cl.
CPC ...
B01J 21/04 (2006.01); B01J 23/00 (2006.01); B01J 23/83 (2006.01); B01J 37/04 (2006.01); B01J 37/08 (2006.01); F01N 3/10 (2006.01);
U.S. Cl.
CPC ...
B01J 23/83 (2013.01); B01J 23/002 (2013.01); B01J 37/04 (2013.01); B01J 37/086 (2013.01); B01J 2523/31 (2013.01); B01J 2523/3706 (2013.01); B01J 2523/845 (2013.01); F01N 3/101 (2013.01); F01N 2370/02 (2013.01); F01N 2570/16 (2013.01);
Abstract

An oxygen storage material comprises a La—Co—Al-based composite oxide containing lanthanum, cobalt and aluminum. The La—Co—Al-based composite oxide is in a form in which at least part of the aluminum is solid-dissolved in a La—Co composite oxide having a perovskite structure, and has a composition expressed by the following chemical formula (1):LaCoAlO  (1)where x and y are numbers satisfying conditions of 0<x <1 and 0<y<1, where x+y=0.5 to 1.5, and δ is a number of 1.5 to 4.5.

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