Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362620 | Photographic material containing a mixture of silver halide emulsions | Jean-Marie Dewanckele | 1994-11-08 |
| 5308738 | Silver salt diffusing transfer material with light insensitive silver salt layer | Rene De Keyzer | 1994-05-03 |