Composite microporous ultrafiltration membrane, method of making thereof, and separation methods
US5942120A · kind A · utility
5Cited by
14References
33Claims
0Family size
Inventor
Key dates
| Filing date | Dec 4, 1997 |
| Grant date | Aug 24, 1999 |
| Priority date | — |
| Expiry date | Dec 4, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2323/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Microporous ultrafiltration membranes containing polymeric material having oxyalkylene tentacles dangling from a carbon backbone can be improved for separation of micromaterials such as salts, unicellular pathogens and the like by separating said tentacles further part on the carbon backbone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.