Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5073271 | Utilization of soot from synthesis gas production in sewage treatment | Bruno Sander, Siegfried Marquardt, Uwe Kempe, Wolfgang Vodrazka | 1991-12-17 |
| 4999029 | Preparation of synthesis gas by partial oxidation | Rolf Becker, Robert K. Horn, Uwe Kempe, Wolfgang Vodrazka | 1991-03-12 |
| 4828715 | Cleaning and disposal of carbon black and ash containing wastewaters | Bruno Sander, Siegfried Marquardt, Robert K. Horn, Uwe Kempe | 1989-05-09 |