Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691459 | Disazo dyes containing two carbonylamino groups processes for their preparation and their use | Peter Werner Sutter | 1997-11-25 |
| 5650497 | Azo dyes, processes for their preparation and their use | Peter Werner Sutter | 1997-07-22 |
| 5630851 | Process for trichromatic dyeing or printing | Guido Jordine | 1997-05-20 |
| 5599354 | Azo dye mixtures and their use | Peter Werner Sutter, Francine Casi | 1997-02-04 |