Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723883 | Continuous method for production of cinnamaldehyde and dihydrocinnamaldehyde derivatives | Andreas Kramer, Andreas Weiper-Idelmann, Michael Schulik, Regina Benfer, Jürgen Schossig +2 more | 2004-04-20 |
| 6693191 | Method for the production of a particle-containing preparation of tetrahydro-3,5-dimethyl-1,3,5-thiadiazin-2-thione | Heinz Isak, Norbert Sendhoff, Franz Schutz, Michael Drogemuller, Dirk Franke +3 more | 2004-02-17 |
| 6673960 | Work-up of distillation residues from the synthesis of toluene diisocyanate | Hans Volkmar Schwarz, Markus Maurer, Michael Sander, Eckhard Ströfer, Rene Leuthold +2 more | 2004-01-06 |