Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4287121 | Water-soluble polyfluoro acid azo dyestuffs | Jacques Pierre Edmond Pechmeze | 1981-09-01 |
| 4285696 | Dyestuffs derived from triphenylmethane, their preparation and use | Gilbert V. H. Kremer, Jacques Pierre Edmond Pechmeze | 1981-08-25 |