Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4454318 | Method for producing 4-chloro-5-amino-2-phenyl-3(2H)-pyridazinone from 4,5-dichloro-2-phenyl-3(2H)-pyridazione and ammonia | Gert Jansen, Erik Olsen | 1984-06-12 |
| 4404020 | Certain esters of 2-[(2,6-dichloro-3-pyridyl)oxy]propionic acid, compositions containing same and their herbicidal properties | Rolf Schurter, Hermann Rempfler | 1983-09-13 |
| 4192946 | Process for producing 3-hydroxy-5-halopyridines | Gunter Mattern, Walter Traber | 1980-03-11 |