Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5254251 | Membrane for the separation of liquid mixtures by pervaporation | Gisela Bengtson | 1993-10-19 |
| 5203969 | Method of separating and recovering components of mixtures via pervaporization | Axel Wenzlaff, Dieter Behling | 1993-04-20 |
| 5108549 | Method of separating and recovering components of mixtures via pervaporization | Axel Wenzlaff, Dieter Behling | 1992-04-28 |
| 4806245 | Pervaporation of phenols | — | 1989-02-21 |
| 4650574 | Apparatus for the separation of solutions by pervaporation | Walter Hilgendorff, Axel Wenzlaff, Gerhard Kahn, Gunter Luhrs | 1987-03-17 |
| 4340428 | Semi-permeable asymmetrical membrance and process of producing same | Axel Wenzlaff | 1982-07-20 |