Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637717 | 2-amino-5-nitropyridinium halide crystal structure and process for the preparation of said crystal structures | Jean-Pierre Levy, Rene Masse, Joseph Zyss, Rolland Hierle | 1997-06-10 |