Reverse osmosis cellulose and cellulosic membranes prepared by repeated drying and rewetting
US4857201A · kind A · utility
6Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1988 |
| Grant date | Aug 15, 1989 |
| Priority date | — |
| Expiry date | Aug 26, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D71/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The ability of cellulose membranes to separate solutes from solvents under reverse osmosis conditions is significantly improved by subjecting the membrane prior to use to several cycles of drying and rewetting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.