Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871849 | 1-Methylamino-quinoline-carboxylic acid derivatives | Istvan Hermecz, Geza Kereszturi, Lelle Vasvavi, Agnes Horvath, Gabor Kovacs +4 more | 1989-10-03 |
| 4806645 | Boric anhydrides of 6-fluoro-7-chloro-1-methylamino-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid | Istvan Hermecz, Geza Kereszturi, Lelle Vasvari, Agnes Horvath, Gabor Kovacs +4 more | 1989-02-21 |
| 4803274 | Norfloxacin intermediate | Istvan Hermecz, Geza Kereszturi, Lelle Vasvari, Agnes Horvath, Gabor Kovacs +4 more | 1989-02-07 |