Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5022914 | Cyclohexenone oxime ethers, their preparation and their use as herbicides | Dieter Kolassa, Norbert Meyer, Ulrich Schirmer, Albrecht Harreus, Jochen Wild +2 more | 1991-06-11 |
| 5009702 | Cyclohexenone compounds and use as herbicides or as plant growth regulators | Michael Keil, Ulrich Schirmer, Dieter Kolassa, Bruno Wuerzer, Norbert Meyer +3 more | 1991-04-23 |
| 4994106 | Cyclohexenone compounds, their preparation and their use for controlling undesirable plant growth | Dieter Kolassa, Michael Keil, Ulrich Schirmer, Norbert Meyer, Karl-Otto Westphalen +1 more | 1991-02-19 |
| 4842638 | Herbicidal tetrahydro(thio)pyran-2,4-dione derivatives | Michael Keil, Dieter Kolassa, Ulrich Schirmer, Bruno Wuerzer, Norbert Meyer +2 more | 1989-06-27 |
| 4820331 | Cyclohexenone derivatives useful for regulating plant growth | Michael Keil, Ulrich Schirmer, Dieter Kolassa, Wilhelm Rademacher, Johann Jung | 1989-04-11 |