Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309551 | Quaternized, bridged benzimidazolylbenzimidazoles, processes for their preparation and their use | Erich Schinzel, Thomas Martini, Gunter Rosch | 1982-01-05 |
NS
Norbert Schonberger
Overall (1982): #40,554 of 81,411Top 50%
1
Patents 1982