Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877443 | 2,4-diamino-6-trifluoromethylpyrimidine compounds useful as herbicides | Michael Schwamborn, Erich Klauke, Robert R. Schmidt, Hans-Joachim Santel | 1989-10-31 |
| 4865641 | Herbicidal new thiazolyl ether and thioether derivatives | Klaus Sasse, Reiner Fischer, Hermann Hagemann, Andreas Krebs, Michael Schwamborn +2 more | 1989-09-12 |
| 4846876 | Herbicidal imidazo-pyrrolo-pyridine derivatives | Wilfried Draber, Hans-Joachim Santel, Robert R. Schmidt | 1989-07-11 |
| 4846879 | Phenylsulphonylisourea herbicides | Christa Fest, Hans-Jochem Riebel, Hans-Joachim Santel, Robert R. Schmidt | 1989-07-11 |
| 4822406 | O-aryl-N'-(triazin-2-yl)-isourea herbicides | Christa Fest, Hans-Jochem Riebel, Hans-Joachim Santel, Robert R. Schmidt | 1989-04-18 |
| 4806147 | Substituted 1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides | Christa Fest, Klaus-Helmut Muller, Theodor Pfister, Hans-Jochem Riebel, Ernst Kysela +2 more | 1989-02-21 |