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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 9358524 B1

PDFFull Text
Date of Patent:
Jun. 07, 2016

Filed:

Dec. 28, 2012

Catalyst structure for treating exhaust gas

Applicants:

Honda Motor Co., Ltd., Tokyo, JP;

Mitsui Mining & Smelting Co., Ltd., Tokyo, JP;

Inventors:

Yuki Nagao, Ageo, JP;

Yunosuke Nakahara, Ageo, JP;

Yasunori Imada, Ageo, JP;

Ohki Houshito, Ageo, JP;

Noriaki Iwata, Ageo, JP;

Shinichi Tosa, Wako, JP;

Syouji Inose, Wako, JP;

Masanori Hashimoto, Wako, JP;

Tomohiro Ikeda, Wako, JP;

Assignees:

Honda Motor Co., Ltd., Tokyo, JP;

Mitsui Mining & Smelting Co., Ltd., Tokyo, JP;

Attorney:

The Webb Law Firm

Primary Examiner:

Cam N Nguyen

Int. Cl.
CPC ...
B01J 21/00 (2006.01); B01J 23/00 (2006.01); B01J 23/08 (2006.01); B01J 23/10 (2006.01); B01J 23/42 (2006.01); B01J 23/44 (2006.01); B01J 23/56 (2006.01); B01J 23/63 (2006.01); B01D 53/94 (2006.01); B01J 35/00 (2006.01); B01J 35/10 (2006.01); B01J 37/02 (2006.01); B01J 23/83 (2006.01); B01J 23/89 (2006.01); B01J 27/18 (2006.01); B01J 35/04 (2006.01);
U.S. Cl.
CPC ...
B01J 23/10 (2013.01); B01D 53/9445 (2013.01); B01J 23/002 (2013.01); B01J 23/63 (2013.01); B01J 23/83 (2013.01); B01J 23/894 (2013.01); B01J 35/002 (2013.01); B01J 35/1066 (2013.01); B01J 35/1076 (2013.01); B01J 35/1095 (2013.01); B01J 37/0244 (2013.01); B01D 2255/20 (2013.01); B01D 2255/2045 (2013.01); B01D 2255/9205 (2013.01); B01J 23/44 (2013.01); B01J 27/1806 (2013.01); B01J 35/0006 (2013.01); B01J 35/04 (2013.01); B01J 2523/00 (2013.01); F01N 2510/06 (2013.01); Y02T 10/22 (2013.01);
Abstract

Provided is a novel catalyst structure capable of maintaining gas diffusivity to a deep part of a catalyst layer even under condition of a high gas flow rate. Proposed is a catalyst structure, which has a porous apatite catalyst layer containing an oxide (hereinafter referred to as 'apatite') whose crystalline structure belongs to an apatite type, and in which, in logarithmic differentiation void volume distribution measured by a mercury intrusion porosimeter, a peak top is present within a void volume diameter range of 100 nm to 1000 nm.

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