Honeycomb filter
US11213778B2 · kind B2 · utility
1Cited by
0References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 5, 2018 |
| Grant date | Jan 4, 2022 |
| Priority date | — |
| Expiry date | Sep 22, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed is a honeycomb filter for collecting fine particles that includes a wall portion formed from a base material containing ceria-zirconia composite oxide and an inorganic binder. The wall portion has a gas permeability coefficient of 1.0 μm2 or greater and 3.0 μm2 or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.