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:
Jun. 03, 2025
Filed:
Oct. 06, 2020
Umicore Shokubai Japan Co., Ltd., Tokoname, JP;
Yasuyuki Takeda, Kobe, JP;
Shigekazu Minami, Kobe, JP;
UMICORE SHOKUBAI JAPAN CO., LTD., Tokoname, JP;
Abstract
In an exhaust gas purification catalyst, a catalytic component containing a first oxide, a second oxide, and a precious metal is supported on a three-dimensional structure; the ratio of the amount of precious metal supported on the first oxide to the total amount of precious metal supported on the first oxide and precious metal supported on the second oxide, or the ratio of the amount of precious metal supported on the second oxide to the total amount of precious metal supported on the first oxide and precious metal supported on the second oxide is 70% or more to 100% or less, as measured by an electron probe microanalyzer (EPMA); and the amount of carbon monoxide that the precious metal can adsorb per unit mass is 15 mL/g or more to 100 mL/g or less.