Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4695405 | Process for quenching fluorescence, and new cationic or amphoteric aromatic nitro compounds | Horst Harnisch | 1987-09-22 |
| 4568742 | Basic triphendioxazine dyestuffs | Wolfgang Harms, Gunter Franke | 1986-02-04 |
| 4317782 | Distyryl compounds | Udo Eckstein | 1982-03-02 |