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:
Nov. 10, 2026
Filed:
Jan. 17, 2022
Mitsui Mining & Smelting Co., Ltd., Tokyo, JP;
Mitsui Kinzoku Company, Limited, Tokyo, JP;
Abstract
An exhaust gas purification catalyst includes a substrate and a catalyst layer provided on the substrate, wherein the catalyst layer includes a first layer containing Rh, and Pd and/or Pt, and a second layer containing Rh, and Pd and/or Pt, wherein a total content of Zr and Ce in terms of oxide and a content of aluminum element in terms of oxide in the first layer are 70% by mass or more and 15% by mass or less, respectively, based on a mass of the first layer, and wherein a content of aluminum element in terms of oxide and a total content of Zr and Ce in terms of oxide in the second layer are 75% by mass or more and 15% by mass or less, respectively, based on a mass of the second layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile