Filter for small particles
US4919863A · kind A · utility
0Cited by
6References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 3, 1989 |
| Grant date | Apr 24, 1990 |
| Priority date | — |
| Expiry date | Mar 3, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/62
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of producing 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.