Invention Grant
- Patent Title: Exhaust gas purification catalyst
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Application No.: US18404981Application Date: 2024-01-05
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Publication No.: US12201965B2Publication Date: 2025-01-21
- Inventor: Takahiro Noguchi , Ryota Onoe , Ryo Tasaki , Momoko Iwai , Yamato Matsushita
- Applicant: Cataler Corporation
- Applicant Address: JP Kakegawa
- Assignee: Cataler Corporation
- Current Assignee: Cataler Corporation
- Current Assignee Address: JP Kakegawa
- Agency: Occhiuti & Rohlicek LLP
- Priority: JP2019-061779 20190327
- Main IPC: B01J23/42
- IPC: B01J23/42 ; B01D53/94 ; B01J23/44 ; B01J23/46 ; B01J35/00 ; B01J35/10 ; F01N3/20

Abstract:
An exhaust gas purification catalyst provides excellent removal performance of methane, which is chemically stable. Exhaust gas purification catalyst includes a substrate that divides cells through which an exhaust gas flows and a catalyst layer that is provided on a surface of the substrate. The catalyst layer includes a palladium layer containing palladium that extends from a first end part which is an end part on the side into which an exhaust gas in the cells flows to a second end part which is an end part on the side from which an exhaust gas flows out, a platinum layer containing platinum that extends from the second end part to the first end part, and a rhodium layer containing rhodium that is laminated with both the palladium layer and the platinum layer.
Public/Granted literature
- US20240165591A1 EXHAUST GAS PURIFICATION CATALYST Public/Granted day:2024-05-23
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