Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840661 | Sulphonyliso(thio)urea derivatives and herbicidal use thereof | Hans-Joachim Diehr, Christa Fest, Joachim Kluth, Klaus-Helmut Muller, Theodor Pfister +6 more | 1989-06-20 |