Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4424154 | Azo dye having a 3-cyano- or 3-carbamoyl-2,6-diaminopyridine coupling component | Johannes Dehnert, Gunther Lamm | 1984-01-03 |
HF
Hermann Lo/ ffler
Overall (All Time): #4,027,451 of 4,157,543Top 100%
1
Patents All Time