Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5998087 | Photographic material containing a new hydrazide type | Johan Loccufier, Stefaan Lingier, Sabine Emmers, Jean-Marie Dewanckele, Pierre De Clercq +1 more | 1999-12-07 |
| 5631125 | Photographic useful group releasing system | Jean-Marie Dewanckele, Johan Loccufier, Pierre De Clercq, Noel Gabriel Cornelius Hosten | 1997-05-20 |