Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889946 | Phenoxybenzoic acid compounds and herbicidal and plant growth regulant compositions | Heinz Forster, Robert R. Schmidt, Klaus Lurssen | 1989-12-26 |
| 4880932 | Substituted guanidine derivatives | Koichi Moriya, Theodor Pfister, Hans-Jochem Riebel, Robert R. Schmidt, Klaus Lurrsen | 1989-11-14 |
| 4844730 | Substituted guanidine derivatives | Koichi Moriya, Theodor Pfister, Hans-Jochem Riebel, 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 |
| 4833243 | Substituted carboxylic acid amide herbicides | Heinz Forster, Wolfgang Hofer, Volker Mues, Robert R. Schmidt | 1989-05-23 |
| 4797484 | "Process for the preparation of N'-sulphonyl- and N',N""-bis-sulphonyl-guanidine derivatives" | Koichi Moriya, Theodor Pfister, Hans-Jochem Riebel, Robert R. Schmidt, Klaus Lurssen | 1989-01-10 |