Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358988 | Water-in-oil emulsions | Ludwig Schieferstein, Herbert Fischer, Hermann Kroke, Volker Wehle, Rainer Jeschke +1 more | 1994-10-25 |
| 4961858 | Process for the demulsification of oil/water emulsions using organic demulsifiers and the use of said process | Volker Wehle | 1990-10-09 |
| 4789483 | Process for controlling the breaking of oil-in water emulsions | Volker Wehle | 1988-12-06 |