Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4594344 | 1-aryloxypropanolamines | Herbert Koppe, Franz Esser, Wolfram Gaida, Wolfgang Hoefke | 1986-06-10 |
| 4588736 | Analgesic 1-acetonyl-2-(phenylimino)-imidazolidines and salts thereof | Franz Esser, Herbert Koppe, Klaus Stockhaus | 1986-05-13 |