Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4339380 | Azo dyestuffs | Herbert Hugl, Winfried Mennicke, Karl H. Schundehutte, Jochen Westphal | 1982-07-13 |
| 4324722 | Water-soluble substituted aminocarbonyl monoazo dyestuffs | Dieter vor der Bruck | 1982-04-13 |
| 4324723 | Monoazo dyestuffs | Dieter vor der Bruck | 1982-04-13 |