Issued Patents 1989
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880932 | Substituted guanidine derivatives | Koichi Moriya, Theodor Pfister, Ludwig Eue, Robert R. Schmidt, Klaus Lurrsen | 1989-11-14 |
| 4846879 | Phenylsulphonylisourea herbicides | Christa Fest, Hans-Joachim Santel, Robert R. Schmidt, Robert H. Strang | 1989-07-11 |
| 4845249 | 4-fluoro-3-bromo benzaldehyde acetals | Rainer Fuchs, Fritz Maurer, Uwe Priesnitz, Erich Klauke | 1989-07-04 |
| 4844730 | Substituted guanidine derivatives | Koichi Moriya, Theodor Pfister, Ludwig Eue, Robert R. Schmidt, Klaus Lurssen | 1989-07-04 |
| 4840661 | Sulphonyliso(thio)urea derivatives and herbicidal use thereof | Hans-Joachim Diehr, Christa Fest, Rolf Kristen, Joachim Kluth, Klaus-Helmut Muller +6 more | 1989-06-20 |
| 4822406 | O-aryl-N'-(triazin-2-yl)-isourea herbicides | Christa Fest, Hans-Joachim Santel, Robert R. Schmidt, Robert H. Strang | 1989-04-18 |
| 4820337 | 1-(2-oxyaminosulphonylphenylsulphonyl)-3-triazinyl-ureas | Hans-Joachim Diehr, Christa Fest, Rolf Kirsten, Joachim Kluth, Klaus-Helmut Muller +5 more | 1989-04-11 |
| 4806147 | Substituted 1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides | Christa Fest, Klaus-Helmut Muller, Theodor Pfister, Ernst Kysela, Hans-Joachim Santel +2 more | 1989-02-21 |
| 4802910 | Herbicidal acylated sulphonylguanidines | Rolf Kirsten, Joachim Kluth, Klaus-Helmut Muller, Theodor Pfister, Hans-Joachim Santel +1 more | 1989-02-07 |
| 4801709 | Process for the preparation of 2-cyanamino-4,6-dialkoxy-1,3,5-triazines | — | 1989-01-31 |
| 4797484 | "Process for the preparation of N'-sulphonyl- and N',N""-bis-sulphonyl-guanidine derivatives" | Koichi Moriya, Theodor Pfister, Ludwig Eue, Robert R. Schmidt, Klaus Lurssen | 1989-01-10 |