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:
Jun. 22, 2010

Filed:

Feb. 14, 2003
Applicants:

Takeshi Matsumoto, Utsunomiya, JP;

Takao Kobayashi, Yokohama, JP;

Takuji Nakane, Himeji, JP;

Takahiro Uno, Himeji, JP;

Makoto Horiuchi, Himeji, JP;

Inventors:

Takeshi Matsumoto, Utsunomiya, JP;

Takao Kobayashi, Yokohama, JP;

Takuji Nakane, Himeji, JP;

Takahiro Uno, Himeji, JP;

Makoto Horiuchi, Himeji, JP;

Assignees:

ICT Co., Ltd., Osaka, JP;

International Catalyst Technology, Inc., Auburn Hills, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/34 (2006.01); B01D 50/00 (2006.01); B01D 53/94 (2006.01); C01B 3/00 (2006.01); C01B 23/00 (2006.01); C01B 21/00 (2006.01); C01B 25/00 (2006.01); C01B 31/00 (2006.01); C01B 33/00 (2006.01); C01B 35/00 (2006.01); C01G 28/00 (2006.01); C01G 30/00 (2006.01); B01J 23/00 (2006.01); B01J 8/00 (2006.01); B01J 21/00 (2006.01); B01J 29/00 (2006.01); B01J 20/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A catalyst which efficiently removes particulate matter, SOF, sulfate, and SOOT and the like from the exhaust gas from such an internal combustion engine as a diesel engine without inducing a rise in the back pressure of the engine is provided. The catalyst for the purification of the exhaust gas of an internal combustion engine is formed by using an open flow honeycomb containing in the channel walls thereof such pores as possess an average diameter in the range of 10-40 μm.


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