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Evonik Membrane Extraction Technology Limited
| Evonik Membrane Extraction Technology Limited Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20120223014 | POLYMIDE MEMBRANE - A high mass transfer membrane for use in membrane phase contactors to extract a solute from an aqueous phase to a solvent phase and their method of preparation and use are disclosed. The membrane is formed from polyimide by phase inversion and may optionally be crosslinked to maintain stability even in the solvents from which the membranes were formed by phase phase inversion. | 09-06-2012 |