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:
Sep. 19, 2023
Filed:
Oct. 07, 2021
Isao Chinzei, Toyota, JP;
Seiji Nakahigashi, Toyota, JP;
Takumi Tojo, Toyota, JP;
Masahide Miura, Toyota, JP;
Nobuyuki Takagi, Toyota, JP;
Yoshiteru Yazawa, Toyota, JP;
Sho Hoshino, Kakegawa, JP;
Minoru Ito, Kakegawa, JP;
Naoto Fujita, Kakegawa, JP;
Tomomasa Aikawa, Kakegawa, JP;
Isao Chinzei, Toyota, JP;
Seiji Nakahigashi, Toyota, JP;
Takumi Tojo, Toyota, JP;
Masahide Miura, Toyota, JP;
Nobuyuki Takagi, Toyota, JP;
Yoshiteru Yazawa, Nagoya, JP;
Sho Hoshino, Kakegawa, JP;
Minoru Ito, Kakegawa, JP;
Naoto Fujita, Kakegawa, JP;
Tomomasa Aikawa, Kakegawa, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
CATALER CORPORATION, Kakegawa, JP;
Abstract
Provided is an exhaust gas purification device that allows improving an exhaust gas purification performance. An exhaust gas purification device of the present disclosure includes a substrate and a catalyst layer disposed on the substrate. The catalyst layer contains a porous carrier, a catalytic metal that is supported by the porous carrier and belongs to platinum group, an alkaline earth metal supported by the porous carrier, and an alkaline earth metal not supported by the porous carrier. At least a part of the alkaline earth metal supported by the porous carrier is supported inside the porous carrier.