Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4626375 | Liquid crystalline substances | Dietrich Demus, Roger Frach, Horst Zaschke | 1986-12-02 |
| 4610805 | Nematic liquid crystal mixtures | Michael Schellenberger, Sabine Richter, Horst Zaschke, Dietrich Demus | 1986-09-09 |
| 4585576 | Liquid-crystal nematic substances | Dietrich Demus, Horst Zaschke, Sabine Richter, Adelbert Wiegeleben | 1986-04-29 |
| 4490278 | Liquid crystal substituted trans-4-n-alkylcyclohexanes and subst.-3-subst.-benzoyloxy-[trans-4-n-alkylcyclohexane]s | Herrmann Schubert, Horst Kresse, Dietrich Demus, Heinz Altmann, Marlies Korber +1 more | 1984-12-25 |
| 4438268 | Liquid crystal substances | Horst Zaschke, Wolfgang Schafer, Dietrich Demus, Gerhard Pelzl | 1984-03-20 |
| 4421670 | Liquid crystal dihydrophenanthrene substances | Sabine Richter, Horst Zaschke, Dietrich Demus, Ute Boettger | 1983-12-20 |
| 4391730 | Nematic liquid crystal compounds and use and device for using the same | Frank Kuschel, Dietrich Demus, Doris Pfeiffer | 1983-07-05 |
| 4293434 | Liquid crystal compounds | Herrmann Schubert, Christina Seidel, Dietrich Demus, Horst Kresse | 1981-10-06 |