Exhaust gas cleaning catalyst
US10934910B2 · kind B2 · utility
1Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2018 |
| Grant date | Mar 2, 2021 |
| Priority date | — |
| Expiry date | Mar 16, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2258/014
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An exhaust gas cleaning catalyst that has: a substrate having a wall flow structure, wherein an entry side cell, in which the end part on an exhaust gas inflow side is open, and an exit side cell, in which the end part on the exhaust gas outflow side is open, are divided by a porous dividing wall; and a first catalyst layer that includes a metal catalyst and is disposed within the dividing wall so as to be in contact with the exit side cell and not in contact with the entry side cell, and no catalyst layer is provided in the region in contact with the entry side cell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.