Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5437818 | Hydrates of the disodium salt or dipotassium salt of 4,4'-bis(2-sulfostyryl)biphenyl | Thomas Ehlis, Andre Geoffroy, Erwin Marti, Josef Zelger, Andreas Burkhard | 1995-08-01 |
| 4785081 | Process for the production of reactive dyes by adiabatic reaction of cyanuric chloride with an amino group-containing dye at elevated temperature | — | 1988-11-15 |
| 4740597 | Process for the continuous reaction of cyanuric fluoride with sulfo-containing aromatic amines | Edmond Ruhlmann | 1988-04-26 |