Reverse osmosis purification of water
US5525236A · kind A · utility
9Cited by
4References
33Claims
0Family size
Inventor
Key dates
| Filing date | Apr 12, 1995 |
| Grant date | Jun 11, 1996 |
| Priority date | — |
| Expiry date | Apr 12, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2325/38
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Addition of minor amounts of polymeric ethers, having oxyalkylene tentacles dangling from a carbon backbone, to ultrafiltration membranes improves rate of flow of purified water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.