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:
Jul. 21, 2015
Filed:
Mar. 13, 2014
Applicant:
Toyota Jidosha Kabushiki Kaisha, Aichi-ken, JP;
Inventors:
Mayuko Osaki, Susono, JP;
Hirohito Hirata, Sunto-gun, JP;
Naoyuki Hara, Nishikamo-gun, JP;
Brian Johnson, Cambridge, GB;
Andrew Wheatley, Cambridge, GB;
Helen Skelton, Slip End, GB;
Muriel Lepage, Zaventem, BE;
Assignees:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-ken, JP;
CAMBRIDGE ENTERPRISE LIMITED, Cambridgeshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/02 (2006.01); B01J 23/58 (2006.01); B01J 23/70 (2006.01); B01J 23/74 (2006.01); B01J 21/04 (2006.01); B01J 23/89 (2006.01);
U.S. Cl.
CPC ...
B01J 23/8906 (2013.01);
Abstract
The present invention relates to a catalyst able to exhibit an NOpurification performance at a low temperature and/or in an oxidizing atmosphere, that is, a nitrogen oxides purification catalyst composed of particles having an average particle size of 0.2 to 100 nm and including gold atoms and iron atoms in a state of close proximity.