Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11501018 | Network-compatible device | Gerrit Boysen, Ingo HILGENKAMP | 2022-11-15 |
| 5087725 | Process for the preparation of alkyl nitrobenzoates | Theodor Papenfuhs, Reiner Hess | 1992-02-11 |
| 5021578 | Certain perfluoroloweralkoxy-2-pyridyloxy propionates having herbicidal activity | Volker Koch, Lothar Willms, Klaus Bauer, Hermann Bieringer, Helmut Burstell | 1991-06-04 |
| 4924014 | Process for the preparation of halogen-containing aromatic compounds | Gunter Siegemund | 1990-05-08 |
| 4855309 | Pyridine derivatives, agents containing same, and the use thereof as pesticides | Volker Koch, Werner Bonin, Werner Knauf, Anna Waltersdorfer | 1989-08-08 |
| 4756739 | Pyridine derivatives and the N-oxides thereof, and the use thereof as intermediates for the synthesis of plant protecting agents | Volker Koch | 1988-07-12 |
| 4727142 | Process for the preparation of imidates | Gunter Siegemund | 1988-02-23 |