Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844733 | Herbicidal N-aryltetrahydrophthalimide derivatives | Karl Eicken, Bruno Wuerzer, Norbert Meyer | 1989-07-04 |
| 4832731 | Quinoline-8-carboxylic acid azolides and their use as herbicides | Karl Eicken, Helmut Hagen, Rolf-Dieter Kohler, Juergen Markert, Norbert Meyer +1 more | 1989-05-23 |
| 4808211 | N-arylsulfonyl-N'-pyrimidyl ureas | Karl Eicken, Bruno Wuerzer, Norbert Meyer | 1989-02-28 |
| 4808212 | Oxime esters of substituted quinoline-8-carboxylic acids and use thereof as herbicides | Karl Eicken, Bernd Zeeh, Ulrich Eichenauer, Helmut Hagen, Rolf-Dieter Kohler +2 more | 1989-02-28 |
| 4804404 | 2 and/or 3-trifluoromethyl-substituted quinoline 8-carboxylic acid derivatives and their use for controlling undesirable plant growth | Helmut Hagen, Ulrich Eichenauer, Rolf-Dieter Kohler, Thomas Liese-Sauer, Karl Eicken +2 more | 1989-02-14 |
| 4797148 | Quinoline derivatives and their use for controlling undesirable plant growth | Helmut Hagen, Ulrich Eichenauer, Norbert Meyer, Bruno Wuerzer | 1989-01-10 |