Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691126 | Class of yellow dyes for use in photographic materials | Antonius Van Gils, Roland Claes | 1997-11-25 |
| 5688636 | Ttype of dye in photographic materials | — | 1997-11-18 |
| 5624783 | Imaging element for making a lithographic printing plate | Lode Erik Dries Deprez | 1997-04-29 |