Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5536877 | Preparation of arylbenzylamines | Karl Hammer | 1996-07-16 |
| 4789747 | Control of unwanted plant growth with 2-aryloxy-2-azolylalkanecarboxamides, herbicides containing them, and the manufacture thereof | Eberhard Ammermann, Gerhard Hamprecht, Bruno Wuerzer | 1988-12-06 |
| 4769503 | Preparation of 3,4-dichlorobenzotrihalides | Adolf Parg, Gerhard Hamprecht | 1988-09-06 |
| 4551448 | Fluoroethoxyphenyl (di)thiophosphates, a process for their preparation and their use for controlling pests | Walter Seufert, Juergen Varwig, Wolfgang Seppelt, Heinrich Adolphi | 1985-11-05 |
| 4515623 | Control of unwanted plant growth with 2-aryloxy-2-azolylalkanecarboxamides | Eberhard Ammermann, Gerhard Hamprecht, Bruno Wuerzer | 1985-05-07 |
| 4515985 | Preparation of chlorinated phenoxyalkanoic acids | Gerhard Hamprecht, Karl-Heinz Koenig, Walter Boehm, Manfred Gaeng | 1985-05-07 |
| 4512984 | Difluoromethoxyphenyl thiophosphates as pesticides | Walter Seufert, Juergen Varwig, Wolfgang Seppelt, Heinrich Adolphi | 1985-04-23 |
| 4428944 | Trifluoromethoxyphenyl-(di) thiophosphoric acid esters and their use in pest control | Walter Seufert, Karl Kiehs, Juergen Varwig, Gerhard Hamprecht, Heinrich Adolphi | 1984-01-31 |
| 4348534 | Preparation of 2-aryloxy-2-haloproptonic acid compounds | Gerhard Hamprecht | 1982-09-07 |