Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5145703 | Thio-alkanones, process for their preparation and their use | Roland Emberger, Matthias Gunter, Rudolf Hopp, Manfred Kopsel, Peter Werkhoff | 1992-09-08 |
| 4760183 | Process for the preparation of aromatic dialkylamines | Theodor Papenfuhs | 1988-07-26 |
| 4754071 | Process for preparing aryl hydroxyethyl sulfones | Theodor Papenfuhs, Wolfgang Koller | 1988-06-28 |