Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973590 | Process for the preparation of quinolonecarboxylic acids which can be administered parenterally | Michael Preiss, Ulrich Schorsch, Paul Naab, Rudolf Zerbes | 1990-11-27 |
| 4600778 | Process for the preparation of 1,4-dihydropyridinedicarboxylic esters | Werner Teller, Wolfgang Koebernick, Paul Naab, Michael Preiss | 1986-07-15 |