Media for filtration
US5779886A · kind A · utility
37Cited by
21References
8Claims
0Family size
Inventor
Key dates
| Filing date | Oct 23, 1996 |
| Grant date | Jul 14, 1998 |
| Priority date | — |
| Expiry date | Oct 23, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S261/72
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A media suitable for trickle filters and biological treatment of effluent or sewage wherein the media comprises an elongated member having a center core, a plurality of axially extending ribs and a plurality of fins extending outwardly from each rib, and a plurality of outwardly extending vanes situated at the distal end of each rib. The media element can be used either in a horizontal or vertical orientation and when made of a flexible material can be formed into a twisted configuration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.