Title:
EXHAUST GAS PURIFICATION CATALYST
Document Type and Number:
WIPO Patent Application WO/2016/133087
Kind Code:
A1
Abstract:
Provided is an exhaust gas purification catalyst with which excellent catalytic activity can be stably exhibited and maintained. According to the present invention, provided is an exhaust gas purification catalyst 10 which is provided with: a wall-flow-type substrate; first catalyst layers 261; and second catalyst layers 262. The first catalyst layers 261 are provided inside partition walls 26, and in areas in contact with entry-side cells 24. The second catalyst layers 262 are provided inside the partition walls 26, and in areas in contact with exit-side cells 25. The ratio (D2/D1) of the coat density D2 of the second catalyst layers 262 to the coat density D1 of the first catalyst layers 261 is 1.01-1.4.
Inventors:
ONOE RYOTA (JP)
SAKAGAMI SHINGO (JP)
NOMURA YASUTAKA (JP)
MORISHITA YUTA (JP)
KURIYAMA JUNJI (JP)
SEKINE HIROSHI (JP)
SAKAGAMI SHINGO (JP)
NOMURA YASUTAKA (JP)
MORISHITA YUTA (JP)
KURIYAMA JUNJI (JP)
SEKINE HIROSHI (JP)
Application Number:
PCT/JP2016/054434
Publication Date:
August 25, 2016
Filing Date:
February 16, 2016
Export Citation:
Assignee:
CATALER CORP (JP)
International Classes:
B01J35/04; B01D53/94; B01J23/63; B01J37/02; F01N3/10; F01N3/24; F01N3/28
Foreign References:
| JP2013099748A | 2013-05-23 | |||
| JP2005500147A | 2005-01-06 | |||
| JP2010269205A | 2010-12-02 |
Other References:
See also references of EP 3254759A4
Attorney, Agent or Firm:
ABE MAKOTO (JP)
Makoto Abe (JP)
Makoto Abe (JP)
Download PDF: