Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871761 | Substituted propylamine pesticides | Stefan Dutzmann | 1989-10-03 |
| 4849435 | Fungicidal 1-aminomethyl-3-aryl-4-cyano-pyrroles | Wilhelm Brandes, Stefan Dutzmann, Gerd Hanssler | 1989-07-18 |