Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4377518 | Azo dyestuffs derived from polycyclo-hetercyclic coupler components | Hans-Joachim Kabbe | 1983-03-22 |
| 4324722 | Water-soluble substituted aminocarbonyl monoazo dyestuffs | Gerhard Wolfrum | 1982-04-13 |
| 4324723 | Monoazo dyestuffs | Gerhard Wolfrum | 1982-04-13 |