Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4699773 | Process and apparatus for the preparation of ammonium nitrate | Klaus Ulrichs, Joseph Hibbel, Volkmar Schmidt, Bernhard Lieder, Heinrich Scheve +2 more | 1987-10-13 |