Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797409 | 1-hydroxy-2-pyridones, a process for their preparation, and medicaments which contain them, and intermediates formed in the preparation of the 1-hydroxy-2-pyridones | Gerhard Lohaus, Walter Dittmar, Heinz Hanel, Wolfgang Raether, Dieter Reuschling | 1989-01-10 |