Ceramic filter and exhaust gas decontamination unit
US7510588B2 · kind B2 · utility
9Cited by
18References
75Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 31, 2003 |
| Grant date | Mar 31, 2009 |
| Priority date | — |
| Expiry date | Jan 23, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A ceramic filter including a ceramic block having a honeycomb structure. The ceramic block has one or more filter units which is a porous ceramic sintered body. The filter units are joined to each other by a sealing material layer. The ceramic block has different porosities, different pore size, different strengths, different lengths, different catalysts or different amounts of catalysts at different portions of the ceramic block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.