Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857103 | Influencing the development of crops with 7-chloroquinoline-8-carboxylic acids | Henning Rosebrock, Johann Jung, Wilhelm Rademacher, Max Luib, Volker Fischer +3 more | 1989-08-15 |
| 4832731 | Quinoline-8-carboxylic acid azolides and their use as herbicides | Peter Plath, Karl Eicken, Helmut Hagen, Rolf-Dieter Kohler, Norbert Meyer +1 more | 1989-05-23 |
| 4717416 | 3,7-dichloro-8-quinoline derivatives, and their use for controlling undersirable plant growth | Helmut Hagen, Rolf-Dieter Kohler, Bruno Wuerzer | 1988-01-05 |
| 4632696 | Dichloroquinoline derivatives for use as herbicides | Helmut Hagen, Bruno Wuerzer | 1986-12-30 |
| 4511393 | 3-Chloro-8-cyanoquinolines and their use for controlling undesirable plant growth | Helmut Hagen, Rolf-Dieter Kohler, Bruno Wuerzer | 1985-04-16 |
| 4497651 | Dichloroquinoline derivatives for use as herbicides | Helmut Hagen, Bruno Wuerzer | 1985-02-05 |
| 4277477 | Method of using 1,2-benzisothiazoles | Helmut Hagen, Rolf-Dieter Kohler | 1981-07-07 |