Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6586635 | Process for the preparation of unsaturated ketones | Bernd Drapal, Steffen Krill, Markus Julino, Klaus Huthmacher | 2003-07-01 |
| 6380437 | Process for the preparation of unsaturated 4,5-allene ketones, 3,5-diene ketones and the corresponding saturated ketones | Frank Hubner, Bernd Drapal, Rainer Peter, Steffen Krill, Klaus Huthmacher +1 more | 2002-04-30 |
| 6316661 | Process for the production of 2,3,5-trimethylhydroquinone diesters | Steffen Krill, Horst Weigel, Klaus Huthmacher, Georg Markowz, Volker Hafner | 2001-11-13 |
| 6103924 | Process for the preparation of 2,3,5-trimethylhydroquinone diesters | Mario Scholz, Steffen Hasenzahl, Horst Weigel, Bernd Drapal, Ralph McIntosh +2 more | 2000-08-15 |
| 5969176 | Process for the production of trimethylhydroquinone diesters and of trimethylhydroquinone | Steffen Krill, Horst Weigel, Hans Joachim Hasselbach, Klaus Huthmacher, Frank Hubner | 1999-10-19 |
| 5714356 | Enzymic process for preparing aliphatic S-cyanohydrins | Herfried Griengl, Ulrike Pichler, Norbert Klempier, Peter Pochlauer | 1998-02-03 |