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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 9409152 B1

PDFFull Text
Date of Patent:
Aug. 09, 2016

Filed:

Jun. 20, 2013

Catalyst support for purification of exhaust gas, catalyst for purification of exhaust gas using the same, and method for producing the catalyst support for purification of exhaust gas

Applicants:

Kabushiki Kaisha Toyota Chuo Kenkyusho, Nagakute-shi, Aichi, JP;

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

Inventors:

Naoki Kumatani, Nagakute, JP;

Akira Morikawa, Nagoya, JP;

Kae Konishi, Nagoya, JP;

Kimitoshi Sato, Inazawa, JP;

Toshitaka Tanabe, Nagakute, JP;

Akihiko Suda, Seto, JP;

Masahide Miura, Toyota, JP;

Isao Chinzei, Toyota, JP;

Hiromasa Suzuki, Toyota, JP;

Takeshi Nobukawa, Toyota, JP;

Takahiro Hayashi, Susono, JP;

Assignees:

KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO, Nagakute-shi, JP;

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;

Attorney:

Oliff PLC

Primary Examiner:

Cam N Nguyen

Int. Cl.
CPC ...
B01J 23/00 (2006.01); B01J 23/02 (2006.01); B01J 23/08 (2006.01); B01J 23/10 (2006.01); B01J 23/40 (2006.01); B01J 23/42 (2006.01); B01J 23/44 (2006.01); B01J 23/56 (2006.01); B01J 23/70 (2006.01); B01J 23/72 (2006.01); B01J 20/00 (2006.01); B01J 21/04 (2006.01); B01J 21/06 (2006.01); B01J 23/63 (2006.01); B01J 35/00 (2006.01); B01J 35/02 (2006.01); B01J 35/10 (2006.01); B01J 37/00 (2006.01); B01J 23/83 (2006.01); B01J 37/04 (2006.01); B01J 37/08 (2006.01); B01D 53/94 (2006.01);
U.S. Cl.
CPC ...
B01J 23/10 (2013.01); B01J 21/066 (2013.01); B01J 23/44 (2013.01); B01J 23/63 (2013.01); B01J 23/83 (2013.01); B01J 35/002 (2013.01); B01J 35/023 (2013.01); B01J 35/1009 (2013.01); B01J 35/1014 (2013.01); B01J 35/1038 (2013.01); B01J 35/1047 (2013.01); B01J 35/1057 (2013.01); B01J 35/1061 (2013.01); B01J 35/1066 (2013.01); B01J 35/1071 (2013.01); B01J 35/1076 (2013.01); B01J 37/0063 (2013.01); B01J 37/04 (2013.01); B01J 37/08 (2013.01); B01D 53/945 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/2065 (2013.01); B01D 2255/2092 (2013.01); B01D 2255/20715 (2013.01); B01D 2255/20761 (2013.01); B01D 2255/908 (2013.01); B01D 2255/9205 (2013.01); B01D 2255/9207 (2013.01); Y02T 10/22 (2013.01);
Abstract

A catalyst support for purification of exhaust gas includes a porous composite metal oxide, the porous composite metal oxide containing alumina, ceria, and zirconia and having an alumina content ratio of from 5 to 80% by mass, wherein after calcination in the air at 1100° C. for 5 hours, the porous composite metal oxide satisfies a condition such that standard deviations of content ratios (as at % unit) of aluminum, cerium and zirconium elements are each 19 or less with respect to 100 minute areas (with one minute area being 300 nm in length×330 nm in width) of the porous composite metal oxide, the standard deviation being determined by energy dispersive X-ray spectroscopy using a scanning transmission electron microscope equipped with a spherical aberration corrector.

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