Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458954 | Process for preparing piperidines | Guido Giffels, Herbert Diehl, Georg Martin, Erich Hammerschmidt | 2002-10-01 |
| 6376414 | Method for producing catalysts containing ruthenium and the use thereof for hydrogenation | Stefan Antons, Jorg-Dietrich Jentsch, Andreas Schulze Tilling, Erich Wolters | 2002-04-23 |