Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5457250 | Process for the preparation of synthesis gas | Ulrich Gerhardus, Horst Hanke, Josef Hibbel, Norbert Leder, Heinz Scheve +1 more | 1995-10-10 |
| 5236557 | Process for purification of aqueous solutions containing hydrogen sulfide, hydrogen cyanide, and ammonia | Thomas Muller, Rolf-Dieter Fischer, Ulrich Gerhardus, Norbert Leder, Peter Schneller +1 more | 1993-08-17 |