Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309536 | Process for the manufacture of bis-benzo-furanyl compounds | — | 1982-01-05 |
| 4309551 | Quaternized, bridged benzimidazolylbenzimidazoles, processes for their preparation and their use | Norbert Schonberger, Thomas Martini, Gunter Rosch | 1982-01-05 |