Filter for small particles
US4859338A · kind A · utility
12Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 8, 1988 |
| Grant date | Aug 22, 1989 |
| Priority date | — |
| Expiry date | Aug 8, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/62
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter for separating solid particles, whose diameters are generally smaller than 5 .mu.m, from flowing gases or liquids. A covering layer with columnar and/or platelet-shaped oxides is formed on a body consisting of porous steel foil at least in and around the pores.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.