Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5017376 | Delayed hydrolysis of metal phosphides | Volker Barth, Hildegund Dierks | 1991-05-21 |
| 4932155 | Fumigant applicator | Volker Barth | 1990-06-12 |
| 4894230 | Delayed hydrolysis of metal phosphides | Volker Barth, Hildegund Dierks | 1990-01-16 |
| 4812291 | Method of fumigating agricultural products using hydrogen phosphide | Volker Barth, Martin Munzel, Reiner Ehret | 1989-03-14 |
| 4756117 | Process and apparatus for treating bulk commodities | — | 1988-07-12 |
| 4725418 | Phosphine producing pesticide and method of manufacture therefor | Werner O. Praxl | 1988-02-16 |
| 4720380 | Hydrogen-phosphide releasing compositions and processes for their production and use | Reiner Ehret | 1988-01-19 |
| 4651463 | Process and apparatus for treating bulk commodities | — | 1987-03-24 |
| 4600584 | Phosphine producing hydrolyzable metal phosphide and use thereof | Werner O. Praxl | 1986-07-15 |
| 4597218 | Sachet for use in pest control | Reiner Ehret | 1986-07-01 |
| 4503032 | Hydrogen-phosphide releasing compositions and their use | Reiner Ehret | 1985-03-05 |
| 4421742 | Phosphine producing pesticide and method of manufacture therefor | Werner O. Praxl | 1983-12-20 |
| 4215508 | Apparatus and method for fumigating stored agricultural commodities | James R. Allen | 1980-08-05 |