Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5948370 | Spray toner for the removal of dust from carbonization gas | Karl-Heinz Redepenning, Andreas Schleiffer | 1999-09-07 |
| 4639310 | Process for the production of reformer feed and heating oil or diesel oil from coal by liquid-phase hydrogenation and subsequent gas-phase hydrogenation | Werner Dohler, Ludwig Merz, Heinz Frohnert, Ulrich Graeser, Alfons Jankowski +3 more | 1987-01-27 |