Honeycomb catalytic converter
US11298685B2 · kind B2 · utility
5Cited by
32References
17Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 26, 2020 |
| Grant date | Apr 12, 2022 |
| Priority date | — |
| Expiry date | Mar 27, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.