Method of producing solute-rejecting dynamic membrane filters and filters including such membranes
US4338194A · kind A · utility
8Cited by
4References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 5, 1978 |
| Grant date | Jul 6, 1982 |
| Priority date | — |
| Expiry date | Jun 5, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2325/0283
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Methods of producing solute-rejecting dynamic membrane filters are described comprising depositing a bed of fumed silica particles on a porous substrate having a pore size of 0.025-3 microns, the silica particles being substantially spherical and uniform and having a nominal particle diameter of 20-80 A.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.