Fibrous media containing millimicron-sized particulates
US4578150A · kind A · utility
33Cited by
7References
43Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 23, 1982 |
| Grant date | Mar 25, 1986 |
| Priority date | — |
| Expiry date | Jul 23, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2030/528
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A self supporting fibrous matrix containing immobilized therein at least about 5% by weight of micro-particulate, with an average diameter less than 1 micron, preferably fumed silica, or alumina, and flocculating amounts of a neutral organic polymeric resin having oxygen atoms along the backbone thereof, is useful for fluid treatment and filtration processes, especially delipidization and depyrogenation of fluids such as serum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.