Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4725418 | Phosphine producing pesticide and method of manufacture therefor | Wolfgang Friemel | 1988-02-16 |
| 4600584 | Phosphine producing hydrolyzable metal phosphide and use thereof | Wolfgang Friemel | 1986-07-15 |
| 4421742 | Phosphine producing pesticide and method of manufacture therefor | Wolfgang Friemel | 1983-12-20 |
| 4213967 | Pesticide containing ignition inhibitor | Reiner Ehret | 1980-07-22 |
| 4210683 | Process for preparing pesticides releasing hydrogen phosphide | Reiner Ehret | 1980-07-01 |