Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9061971 | Method for purifying residues containing isocyanates | Andreas Wölfert, Carsten Knösche, Hermann Ascherl, Eckhard Stroefer, Heinrich-Josef Blankertz +3 more | 2015-06-23 |
| 8871969 | Process for the production of polyisocyanates | Torsten Mattke, Robert Baumann | 2014-10-28 |
| 6750365 | Thermal dissociation of allophanates | Gerhard Laqua, Volker Krase, Peter Pfab, Joachim Pfeffinger, Andreas Schmidt | 2004-06-15 |