Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877443 | 2,4-diamino-6-trifluoromethylpyrimidine compounds useful as herbicides | Erich Klauke, Robert R. Schmidt, Hans-Joachim Santel, Robert H. Strang | 1989-10-31 |
| 4865641 | Herbicidal new thiazolyl ether and thioether derivatives | Klaus Sasse, Reiner Fischer, Hermann Hagemann, Andreas Krebs, Hans-Joachim Santel +2 more | 1989-09-12 |