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:
May. 21, 2019
Filed:
Jan. 19, 2018
Applicant:
Toyota Motor Engineering & Manufacturing North America, Inc., Plano, TX (US);
Inventors:
Hongfei Jia, Ann Arbor, MI (US);
Charles A. Roberts, Ann Arbor, MI (US);
Mitsuru Sakano, Susono, JP;
Keiichi Minami, Susono, JP;
Torin C. Peck, Ypsilanti, MI (US);
Paul T. Fanson, Brighton, MI (US);
Assignees:
Toyota Motor Engineering & Manufacturing North America, Inc., Plano, TX (US);
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 53/94 (2006.01); B01J 23/34 (2006.01); B01J 35/00 (2006.01); B01J 35/02 (2006.01); B01J 35/10 (2006.01); B01J 37/02 (2006.01); B01J 37/10 (2006.01); B01J 37/34 (2006.01); C01G 41/00 (2006.01); C01G 45/00 (2006.01); C01G 49/00 (2006.01); C01G 51/00 (2006.01); C01G 53/00 (2006.01); B01J 23/888 (2006.01);
U.S. Cl.
CPC ...
B01J 23/888 (2013.01); B01D 53/9413 (2013.01); B01J 23/34 (2013.01); B01J 35/002 (2013.01); B01J 35/023 (2013.01); B01J 35/1009 (2013.01); B01J 35/1014 (2013.01); B01J 37/0238 (2013.01); B01J 37/10 (2013.01); B01J 37/346 (2013.01); C01G 41/00 (2013.01); C01G 45/00 (2013.01); C01G 49/0018 (2013.01); C01G 51/00 (2013.01); C01G 53/00 (2013.01); B01D 2251/208 (2013.01); B01D 2255/2073 (2013.01); B01D 2255/20738 (2013.01); B01D 2255/20746 (2013.01); B01D 2255/20753 (2013.01); B01D 2255/20761 (2013.01); B01D 2255/20776 (2013.01); B01D 2255/40 (2013.01); C01P 2004/03 (2013.01); C01P 2004/64 (2013.01); C01P 2006/12 (2013.01);
Abstract
A nitrogen oxide (NOx) reduction catalyst that includes a transition metal tungstate having the formula: MWOwherein M is selected from the group consisting of Mn, Fe, Co, Ni, and Cu. The catalyst may be utilized in various environments including oxygen rich and oxygen deficient environments.