Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4952699 | Liquid-crystalline, 2,5-disubstituted, 1,3,4-thiadiazoles with extended smectic C phases | Dietrich Demus, Horst Kresse, Annelore Madicke, Gerhard Pelzl, Wolfgang Schafer +2 more | 1990-08-28 |
| 4874544 | Ferroelectric liquid crystals | Barth Petra, Demus Dietrich, Joachimi Detlev, Barbara Kampa, Saskia Kohler +9 more | 1989-10-17 |