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:
Jan. 19, 2021
Filed:
Jan. 28, 2019
Basf Corporation, Florham Park, NJ (US);
Olga Gerlach, Ludwigshafen, DE;
Xinyi Wei, Princeton, NJ (US);
Andreas Sundermann, Bensheim, DE;
Emily Schulman, Princeton, NJ (US);
Stanley A. Roth, Yardley, PA (US);
BASF Corporation, Florham Park, NJ (US);
Abstract
The present disclosure generally provides low-temperature nitrogen oxides (NO) adsorbers used in the treatment of a NO-containing exhaust gas stream and to methods of preparing and using the same. In particular, the NOadsorber composition includes an active metal and a metal oxide support, wherein the metal oxide support includes greater than 50% by weight ceria based on the total weight of the NOadsorber composition, and wherein the active metal includes about 0.01% to about 5% by weight ruthenium based on the total weight of the NOadsorber composition.