Blood separation filter assembly and method
US5139685A · kind A · utility
189Cited by
16References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1991 |
| Grant date | Aug 18, 1992 |
| Priority date | — |
| Expiry date | Mar 26, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/25375
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Blood separation filter assemblies and methods are provided to quickly and completely separate plasma or serum from whole blood without the need of centrifugation. The filter assemblies and methods have filter materials of a predetermined thickness which are maintained under positive pressure during use. The filter materials have at least one layer of glass fibers having an average fiber diameter ranging from 0.2 .mu.m to 7.0 .mu.m and which are compressed at least 25% in thickness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.