Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886833 | 2-cyano-2-alkoximino-acetamides | Herbert Gayer, Winfried Lunkenheimer, Wilhelm Brandes, Gerd Hanssler | 1989-12-12 |
| 4874424 | Herbicidal agents | Herbert Gayer, Wolfgang Kramer, Hans-Joachim Santel, Robert R. Schmidt, Harry Strang | 1989-10-17 |
| 4864029 | Isothiazole and Isoxazole derivatives | Wilhelm Brandes, Gerd Hanssler, Paul Reinecke | 1989-09-05 |
| 4854964 | Triazolo-pyrimidine-2-sulphonamides having herbicidal utility | Hans-Joachim Santel, Robert R. Schmidt, Harry Strang | 1989-08-08 |
| 4841086 | Process for the preparation of 2-cyano-2-oximino-acetamide derivatives | Herbert Gayer | 1989-06-20 |