Reversed phase membranes
US4909938A · kind A · utility
4Cited by
5References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 17, 1988 |
| Grant date | Mar 20, 1990 |
| Priority date | — |
| Expiry date | Aug 17, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2325/36
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A porous membrane characterized by a morphology that is the reversed phase analogue of another porous membrane. The material which forms the reversed phase porous membrane can be a thermosetting resin, zirconia or silica. The other membrane can be polypropylene or polyamide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.