Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344880 | Disazo dyestuffs having an acylamino group and an aromatic-oxy group on different terminal moieties | Werner Juenemann | 1982-08-17 |
| 4315756 | Oil-soluble azo dye with N-substituted .beta.-naphthylamine as coupling component | Georg Zeidler, Guenter Hansen, Guenther Riedel | 1982-02-16 |