Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Isao Naito0
Nobuyuki Takagi0
Tomomasa Aikawa0
Takeshi Nobukawa0
Shogo Kawamura0
Hiroki Nihashi0
Date of Patent
November 21, 2023
0Patent Application Number
172765050
Date Filed
September 9, 2019
0Patent Citations
Patent Primary Examiner
Patent abstract
An exhaust gas purification catalyst including an alkaline-earth metal carried on a porous carrier in a highly dispersed state. The catalyst layer of the exhaust gas purification catalyst has an alkaline-earth metal carrying region including a porous carrier, Pt, and a sulfuric acid salt of at least one alkaline-earth metal carried on the porous carrier, wherein a value of R
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