Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840661 | Sulphonyliso(thio)urea derivatives and herbicidal use thereof | Hans-Joachim Diehr, Christa Fest, Rolf Kristen, Joachim Kluth, Theodor Pfister +6 more | 1989-06-20 |
| 4820337 | 1-(2-oxyaminosulphonylphenylsulphonyl)-3-triazinyl-ureas | Hans-Joachim Diehr, Christa Fest, Rolf Kirsten, Joachim Kluth, Theodor Pfister +5 more | 1989-04-11 |
| 4806147 | Substituted 1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides | Christa Fest, Theodor Pfister, Hans-Jochem Riebel, Ernst Kysela, Hans-Joachim Santel +2 more | 1989-02-21 |
| 4802910 | Herbicidal acylated sulphonylguanidines | Rolf Kirsten, Joachim Kluth, Theodor Pfister, Hans-Jochem Riebel, Hans-Joachim Santel +1 more | 1989-02-07 |