Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857510 | Compositions for combating pests containing macrocyclic lactones | Werner Knauf, Alfons Sagenmuller, Hubert Stier, Jan Lourens | 1989-08-15 |
| 4855309 | Pyridine derivatives, agents containing same, and the use thereof as pesticides | Volker Koch, Andreas Fuss, Werner Bonin, Werner Knauf | 1989-08-08 |