Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637717 | 2-amino-5-nitropyridinium halide crystal structure and process for the preparation of said crystal structures | Jacques Pecaut, Jean-Pierre Levy, Joseph Zyss, Rolland Hierle | 1997-06-10 |
| 5397508 | 2-amino-5-nitropyridinium salts usable in non-linear optics and in electroptics and a process for preparing the same | Joseph Zyss | 1995-03-14 |
| 5374734 | Monohydrogentartrate crystalline structure having nonlinear quadratic effects | Joseph Zyss, Roland Hierle, Jean-Pierre Levy | 1994-12-20 |