A porous membrane for blood components and method for manufacturing thereof
US4900444A · kind A · utility
10Cited by
14References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1987 |
| Grant date | Feb 13, 1990 |
| Priority date | — |
| Expiry date | Aug 12, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2323/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A porous membrane for use in the separation of blood components, made of a polyolefin, having a wall thickness in the range of 10 to 500 .mu.m, and possessing through holes having an average diameter of 0.01 to 5 .mu.m at a porosity in the range of 10 to 85%, which porous membrane is characterized by exhibiting a shrinkage of not more than 6.0% in a heat treatment carried out at 121.degree. C. for 120 minutes. A method for the manufacture of the porous membrane is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.