Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4213992 | Insecticidal carbamates | Annegrit Baumann, Rolf Huber, Karl Kiehs, Franz Merger | 1980-07-22 |
| 4212861 | Isoxazole-5-alkyl dithiophosphoric acid derivatives | Hans Theobald, Karl Kiehs | 1980-07-15 |
| 4203977 | Phosphoric acid esters, composition and use | Karl Kiehs | 1980-05-20 |
| 4190650 | Phosphonyl vinyl phosphorus compounds as pesticides | Karl Kiehs, Hans J. Schrepfer | 1980-02-26 |