Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458954 | Process for preparing piperidines | Guido Giffels, Herbert Diehl, Lutz Frohn, Erich Hammerschmidt | 2002-10-01 |
| 6392044 | Racemization of R,S-dioxo-benzylpyrrolopiperidine | Herbert Diehl, Wilfried Jaworek, Andreas Krebs, Joachim Westen | 2002-05-21 |