Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shuhei Nagaoka0
Kyoji Kitamoto0
Daisuke Yokota0
Date of Patent
May 9, 2023
0Patent Application Number
165230570
Date Filed
July 26, 2019
0Patent Citations
Patent Citations Received
Patent Primary Examiner
A three-way catalyst article, and its use in an exhaust system for internal combustion engines, is disclosed. The catalyst article for treating exhaust gas comprising: a substrate; and a first catalytic region on the substrate; wherein the first catalytic region comprises a first platinum group metal (PGM) component, wherein the first PGM component comprises PGM nanoparticles, wherein the PGM nanoparticles have an average particle size of about 1 to about 20 nm with a standard deviation (SD) no more than 1 nm.
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