Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10213706 | Process and apparatus for purification of acrylic acid | Andrzej Kuszlik, Florian Lippuner, Herbert Engstler | 2019-02-26 |
| 5922647 | Anellated (oxa)hydantoins and their use as herbicides | Karlheinz Drauz | 1999-07-13 |
| 5856478 | Anellated (oxa)hydantoins and their use as herbicides | Helmut Baier, Karlheinz Drauz, Hans-Peter Krimmer, Sabine Landmann | 1999-01-05 |
| 5763355 | Anellated (OXA) hydantoines and their use as herbicides | Karlheinz Drauz | 1998-06-09 |
| 5728651 | Herbicidal triazolinones | Wonpyo Hong, Karlheinz Drauz, William T. Zimmerman | 1998-03-17 |
| 5719104 | Herbicidal bicyclic and tricyclic imides | John Jolly Kilama, Karlheinz Drauz, Wonpyo Hong | 1998-02-17 |
| 5712225 | Oxa-and thia(di)azabicyclic compounds | Wonpyo Hong, Thomas Martin Stevenson | 1998-01-27 |
| 5661107 | Heterocyclic compounds and their use as herbicides | Karlheinz Drauz | 1997-08-26 |
| 5661109 | Anellated (oxa)hydantoins and their use as herbicides | Helmut Baier, Karlheinz Drauz, Hans-Peter Krimmer, Sabine Landmann | 1997-08-26 |
| 5605898 | Anellated triazole compounds | Karlheinz Drauz, Dieter Feit | 1997-02-25 |
| 5605877 | Bicyclic imides as herbicides | Karlheinz Drauz, Dieter Feit, Kofi S. Amuti | 1997-02-25 |
| 5116872 | Microbicidal compositions | Peter Ackermann, Hanspeter Fischer, Rolf Vogel, Karlheinz Drauz, Hans-Albrecht Hasseberg +3 more | 1992-05-26 |