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:
Dec. 30, 2025
Filed:
Aug. 18, 2020
Applicant:
Umicore Ag & Co. KG, Hanau-Wolfgang, DE;
Inventors:
Birgit Friedrich, Otzberg, DE;
Gordon Keitl, Frankfurt, DE;
Assignee:
UMICORE AG & CO. KG, Hanau-Wolfgang, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/42 (2006.01); B01D 53/94 (2006.01); B01J 23/40 (2006.01); B01J 23/56 (2006.01); B01J 29/70 (2006.01); B01J 35/40 (2024.01); B01J 35/45 (2024.01); B01J 35/77 (2024.01); B01J 37/02 (2006.01); B01J 37/08 (2006.01); F01N 3/08 (2006.01); F01N 3/10 (2006.01); F01N 3/28 (2006.01);
U.S. Cl.
CPC ...
B01J 23/42 (2013.01); B01J 35/40 (2024.01); B01J 35/45 (2024.01); B01J 35/77 (2024.01); B01J 37/0225 (2013.01); B01J 37/08 (2013.01); F01N 3/105 (2013.01); F01N 3/281 (2013.01); B01D 53/9418 (2013.01); B01D 53/9422 (2013.01); B01J 23/40 (2013.01); B01J 23/56 (2013.01); B01J 29/7049 (2013.01); F01N 3/0814 (2013.01); F01N 2370/02 (2013.01); F01N 2510/063 (2013.01); F01N 2510/0682 (2013.01); F01N 2570/14 (2013.01); F01N 2570/18 (2013.01);
Abstract
The present invention relates to a composition comprising platinum supported on titanium oxide, the platinum particles having an average particle diameter of 50-200 nm. The composition has a surprisingly low light-off temperature for the ammonia oxidation and a high selectivity for oxidation to N2.