Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639886 | One-pot process for the preparation of 3-quinolonecarboxylic acid derivatives | Rudolf Zerbes, Paul Naab, Herbert Diehl | 1997-06-17 |
| 5599824 | Pharmaceutical preparation containing a specific crystal modification of isopropyl-(2-methoxyethyl) 1,4-dihydro-2, 6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylate | Alfons Grunenberg, Ahmed Hegasy, Wolfgang M uck, Rango-Rao Kanikanti | 1997-02-04 |