Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4927452 | 1-carbonyl-2-pyrazoline derivatives having herbicidal activity | Kobus Wellinga | 1990-05-22 |
| 4854961 | Substituted 2-phenylimino-oxazolidine compounds having herbicidal activity | Kobus Wellinga | 1989-08-08 |