Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9365503 | Process for the preparation of isocyanates in the gas phase | Klaus Biskup, Rainer Bruns, Wolfgang Lorenz, Bernd Pennemann, Fritz Pohl +2 more | 2016-06-14 |
| 8399702 | Process for the production of aromatic diisocyanates in the gas | Fritz Pohl, Klaus Biskup, Rainer Bruns, Friedhelm Steffens | 2013-03-19 |
| 8063241 | Process for the preparation of toluene-diisocyanate | Wolfgang Lorenz, Bernd Pennemann, Friedhelm Steffens, Lothar Weismantel | 2011-11-22 |
| 7511176 | Process for the preparation of toluenediamines by catalytic hydrogenation of dinitrotoluenes | Fritz Pohl, Wolfgang Lorenz, Bernd Pennemann, Friedhelm Steffens, Gerhard Wiechers | 2009-03-31 |