Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360672 | Substituted phenoxyphenyl pyridazones, their preparation, and their use as herbicides | Gerhard Hamprecht, Bruno Wuerzer | 1982-11-23 |
| 4353732 | 3,4,5,6-Tetrahydro-1,2,4,6-thiatriazine-3,5-dione-1,1-dioxides; processes for controlling undesired plant growth | Rolf-Dieter Acker, Gerhard Hamprecht, Bruno Wuerzer | 1982-10-12 |
| 4327034 | Sulfamic acid halides and processes for the preparation of sulfamic acid halides | Gerhard Hamprecht, Karl-Heinz Koenig | 1982-04-27 |
| 4321371 | Substituted N-benzoylanthranilic acid derivatives and their anhydro compounds | Bruno Wuerzer, Gerhard Hamprecht | 1982-03-23 |
| 4239697 | O-Substituted N-hydroxysulfamid acid halides and their preparation | Gerhard Hamprecht | 1980-12-16 |