Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5154752 | Suppression of fines during the granulation of ammonium nitrate | Josef Driller, Robert Nebel | 1992-10-13 |
| 4987742 | Process for the generation of mechanical energy in the ammonia oxidation step of a nitric acid production process | Karl W. Wiegand, Michael Thiemann | 1991-01-29 |
| 4957720 | Process for the generation of mechanical energy in the ammonia oxidation step of a nitric acid production process | Karl W. Wiegand, Michael Thiemann | 1990-09-18 |
| 4263267 | Process for the production of nitric acid | Arnold Henckens | 1981-04-21 |