Title:
排ガス浄化用ハニカム触媒
Document Type and Number:
Japanese Patent JP6684257
Kind Code:
B2
Abstract:
The present invention provides a honeycomb catalytic converter including: a honeycomb structured body in which multiple through-holes are arranged longitudinally in parallel with one another with a partition wall therebetween; and a noble metal supported on the honeycomb structured body, wherein the honeycomb structured body contains a ceria-zirconia composite oxide and alumina, and cerium on a surface of each partition wall has a lower concentration than cerium in a central portion of the partition wall in a thickness direction.
Inventors:
Shinosuke Goto
Tojo Takumi
Ken Yoshida
Hiromasa Suzuki
Tojo Takumi
Ken Yoshida
Hiromasa Suzuki
Application Number:
JP2017186472A
Publication Date:
April 22, 2020
Filing Date:
September 27, 2017
Export Citation:
Assignee:
IBIDEN CO.,LTD.
TOYOTA JIDOSHA KABUSHIKI KAISHA
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
B01J23/63; B01D53/94; B01J35/04; F01N3/28
Domestic Patent References:
| JP2017039069A | ||||
| JP7060117A | ||||
| JP2009011937A | ||||
| JP2010127210A | ||||
| JP2006205050A | ||||
| JP2015085241A | ||||
| JP2016505380A | ||||
| JP10296085A | ||||
| JP2004066069A |
Attorney, Agent or Firm:
Atomi International Patent Office