Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5571774 | Pyridine-2,3-dicarboximides, their preparation and their use for controlling undesired plant growth | Gerhard Hamprecht, Matthias Gerber, Helmut Walter, Karl-Otto Westphalen | 1996-11-05 |
| 5543416 | Cyanoisoxazoles | Klaus Ditrich, Gerhard Hamprecht, Matthias Gerber, Karl-Otto Westphalen, Helmut Walter +1 more | 1996-08-06 |