Title:
EXHAUST GAS PURIFICATION CATALYST DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/047892
Kind Code:
A1
Abstract:
Provided is an exhaust gas purification catalyst device provided with: a base material having a plurality of exhaust gas flow paths that are partitioned from each other by a partitioning wall; and a noble metal catalyst particle-supporting layer and an inorganic oxide particle layer arranged on the partitioning wall or in the partitioning wall. In the exhaust gas purification catalyst device, the inorganic oxide particle layer is arranged nearer the exhaust gas flow path side than the noble metal catalyst particle-supporting layer and the primary particle diameter of inorganic oxide particles in the inorganic oxide particle layer is 5 nm to 200 nm inclusive.
Inventors:
TERASAKI FUMITAKA (JP)
Application Number:
PCT/JP2022/032449
Publication Date:
March 30, 2023
Filing Date:
August 29, 2022
Export Citation:
Assignee:
CATALER CORP (JP)
International Classes:
B01J35/04; B01D53/94; B01J29/76; F01N3/10; F01N3/28
Domestic Patent References:
| WO2020262173A1 | 2020-12-30 |
Foreign References:
| JP2009255073A | 2009-11-05 | |||
| JP2015085241A | 2015-05-07 | |||
| JP2016532548W | ||||
| JP2004230220A | 2004-08-19 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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