Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616784 | Thermal cleavage of carbamic esters | Hans Volkmar Schwarz, Andreas Otterbach, Franz Merger, Wolfgang Schwarz, Eckhardt Brandt +2 more | 1997-04-01 |
| 5386053 | Multistep, continuous preparation of organic polyisocyanates | Andreas Otterbach, Hans Volkmar Schwarz, Franz Merger, Wolfgang Schwarz, Eckhardt Brandt +1 more | 1995-01-31 |
| 4530796 | Process for the preparation of isocyanates through the thermal cleavage of urethanes | Franz Merger, Friedrich Towae | 1985-07-23 |