Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340705 | Processing liquid for use in silver complex diffusion transfer processing | Rene De Keyzer, Luc A. De Brabandere | 1994-08-23 |
| 5162192 | Liquid for DTR-photography | Rene De Keyzer, Luc A. De Brabandere | 1992-11-10 |
| 5124229 | Processing liquid with combination of toners for silver complex diffusion transfer processing | Rene De Keyzer, Luc A. De Brabandere | 1992-06-23 |
| 5063136 | Processing liquid for use in DTR-photography with two toners | Rene De Keyzer, Luc A. De Brabandere | 1991-11-05 |