Porous polysulfone media suitable for filtration
US5102917A · kind A · utility
19Cited by
19References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 1990 |
| Grant date | Apr 7, 1992 |
| Priority date | — |
| Expiry date | Sep 14, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2381/06
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A porous polysulfone membrane and process for the preparation of porous polysulfone media suitable for use in filtration comprises blending polysulfone with a particulate solid or with said particulate solid and a second polymer, extruding the resultant blend to form an article and leaching the particulate solid and second polymer from the article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.