Reaction bonded alumina filter and membrane support
US6695967B2 · kind B2 · utility
30Cited by
31References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2002 |
| Grant date | Feb 24, 2004 |
| Priority date | — |
| Expiry date | Apr 12, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24997
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A reaction-bonded &agr;-alumina filter element is provided. The filter element includes a monolith of porous material having multiple passageways extending from one end face to an opposing end face. The monolith is extruded from a mixture containing at least aluminum metal and alumina powders in a proportion such that on sintering the volume change of the monolith is minimized. The filter body can be used as a filter or as a membrane support for crossflow or dead end flow filter elements. A method for making the filter element is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.