Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888348 | Substituted thioureas, isothioureas and carbodiimides | Josef Ehrenfreund, Manfred Boger, Jozef Drabek, Haukur Kristinsson | 1989-12-19 |
| 4847258 | Substituted benzoylphenylureas compounds useful as pesticides | Elmar Sturm, Robert W. Lang | 1989-07-11 |
| 4824845 | Pesticidal compositions | Jean-Claude Gehret | 1989-04-25 |