Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5416219 | Preparation of monoclinic metazachlor | Michael Keil, Bjoern Girgensohn, Gotthard Synnatschke, August Wigger, Hans Ziegler | 1995-05-16 |
| 5300652 | Preparation of monoclinic metazachlor | Michael Keil, Bjoern Girgensohn, Gotthard Synnatschke, August Wigger, Hans Ziegler | 1994-04-05 |
| 5250503 | Monoclinic metazachlor and composition | Michael Keil, Bjoern Girgensohn, Gotthard Synnatschke, August Wigger, Hans Ziegler | 1993-10-05 |
| 4396415 | Herbicide | Gotthard Synnatschke | 1983-08-02 |