Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315756 | Oil-soluble azo dye with N-substituted .beta.-naphthylamine as coupling component | Georg Zeidler, Johannes Dehnert, Guenter Hansen | 1982-02-16 |
GR
Guenther Riedel
Overall (1982): #61,744 of 81,411Top 80%
1
Patents 1982