Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4952699 | Liquid-crystalline, 2,5-disubstituted, 1,3,4-thiadiazoles with extended smectic C phases | Bak G Yong, Dietrich Demus, Horst Kresse, Annelore Madicke, Gerhard Pelzl +2 more | 1990-08-28 |
| 4874544 | Ferroelectric liquid crystals | Bak G Yong, Barth Petra, Demus Dietrich, Joachimi Detlev, Barbara Kampa +9 more | 1989-10-17 |
| 4438268 | Liquid crystal substances | Horst Zaschke, Hans-Joachim Deutscher, Dietrich Demus, Gerhard Pelzl | 1984-03-20 |