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:
Jul. 09, 2019
Filed:
Oct. 07, 2015
Cataler Corporation, Kakegawa-shi, Shizuoka, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi, JP;
Ryota Onoe, Kakegawa, JP;
Shingo Sakagami, Kakegawa, JP;
Tsuyoshi Ito, Kakegawa, JP;
Yuta Morishita, Kakegawa, JP;
Masahiko Takeuchi, Toyota, JP;
Naoto Miyoshi, Toyota, JP;
Akemi Sato, Toyota, JP;
Daisuke Ochiai, Toyota, JP;
CATALER CORPORATION, Kakegawa, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
An exhaust gas purification catalyst having an excellent exhaust partition ability while reducing the increase in pressure loss. Exhaust gas purification catalyst includes a substrate having a wall-flow structure with partition wall, upstream coating section formed in portions of partition wall facing entrance cell, from exhaust inlet-side end in the extending direction of partition wall, and downstream coating section formed in portions of partition wall facing exit cell, from exhaust outlet-side end in the extending direction, having a length shorter than the entire length Lof the partition wall. In downstream coating section, a catalytic metal is concentrated in the surface layer in contact with exit cell.