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:
Dec. 25, 2018
Filed:
Feb. 16, 2016
Cataler Corporation, Kakegawa-shi, Shizuoka, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi, JP;
Ichiro Kitamura, Kakegawa, JP;
Keiichi Narita, Kakegawa, JP;
Yasutaka Nomura, Kakegawa, JP;
Ryota Onoe, Kakegawa, JP;
Yuta Morishita, Kakegawa, JP;
Junji Kuriyama, Kakegawa, JP;
Hiroshi Sekine, Kakegawa, JP;
Akihito Inoue, Kakegawa, JP;
Daisuke Ochiai, Kakegawa, JP;
Jun Sawada, Kakegawa, JP;
Naoto Miyoshi, Nagoya, JP;
Masahiko Takeuchi, Toyota, JP;
Akemi Sato, Toyota, JP;
Atsushi Tanaka, Toyota, JP;
CATALER CORPORATION, Shizuoka, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
Provided is an exhaust gas purification catalyst that combines reduction of pressure loss and enhancement of purification performance. This invention provides an exhaust gas purification catalyst comprising a wall-flow-type substrate and first and second catalytic layers. The first catalytic layer is provided to the interior of a partition wall, in contact with an entrance cell, from an exhaust inlet-side end in the running direction, having a length Lless than Lw. The second catalytic layer is provided to the interior of a partition wall, in contact with an exit cell, from an exhaust outlet-side end in the running direction, having a length Lless than Lw. An internal portion of partition wall in contact with entrance cell has a substrate-exposing segment near the exhaust outlet-side end.