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.:
Date of Patent:
Mar. 04, 2014
Filed:
Jul. 29, 2009
Applicants:
Masatoshi Fujisawa, Kure, JP;
Yasuyoshi Kato, Kure, JP;
Inventors:
Masatoshi Fujisawa, Kure, JP;
Yasuyoshi Kato, Kure, JP;
Assignee:
Babcock-Hitachi Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 4/60 (2006.01); B01J 21/00 (2006.01); B01J 27/055 (2006.01); B01D 53/56 (2006.01); C01B 21/072 (2006.01); C01B 17/96 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a silver-supported alumina catalyst for reducing nitrogen oxides using ethanol, which has the drawbacks of the conventional silver-supported alumina catalysts improved, has high performance, is not likely to deteriorate over time, and has excellent initial performance and durability. A catalyst for purifying nitrogen oxides, which purifies nitrogen oxides in exhaust gas using an alcohol as a reducing agent, and contains alumina, aluminum sulfate and silver as main components.