Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8193385 | Method for producing isocyanates | Matthias Kloetzer, Heinrich-Josef Blankertz, Eckhard Stroefer, Volker Krase, Gerhard Schulz +1 more | 2012-06-05 |
| 7408086 | Ni/TiO2 hydrogenation catalyst | Dominic Vanoppen, Ekkehard Schwab, Joern Mueller, Ulrich Penzel, Bernd Weidner +2 more | 2008-08-05 |
| 7342134 | Method for the distillative recovery of toluylenediamine | Carsten Knoesche, Martin Sohn, Ulrich Penzel, Hans-Juergen Pallasch, Wolfgang Mackenroth +4 more | 2008-03-11 |
| 6894193 | Method for hydrogenating liquid organic compounds | Peter Zehner, Oliver Bey, Jörn Müller | 2005-05-17 |
| 6140539 | Preparation of amines | Michael Sander, Dietmar Peisker, Klaus Werner, Holger Braunsberg, Ulrich Penzel | 2000-10-31 |