Issued Patents All Time
Showing 1–8 of 8 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, Annelore Madicke, Gerhard Pelzl, Wolfgang Schafer +2 more | 1990-08-28 |
| 4565881 | Liquid crystal substituted 1,3-dioxanes and mixtures containing them | Dietrich Demus, Horst Zaschke, Hans-Matthias Vorbrodt, Wolfgang Weissflog | 1986-01-21 |
| 4519936 | Nematic liquid crystals and method of production | Dietrich Demus, Wolfgang Weissflog | 1985-05-28 |
| 4490278 | Liquid crystal substituted trans-4-n-alkylcyclohexanes and subst.-3-subst.-benzoyloxy-[trans-4-n-alkylcyclohexane]s | Herrmann Schubert, Hans-Joachim Deutscher, Dietrich Demus, Heinz Altmann, Marlies Korber +1 more | 1984-12-25 |
| 4363767 | Esters of 4-[2,2-dicyano-ethenyl]-phenols | Dietrich Demus, Wolfgang Weissflog, Horst Zaschke, Rudolf Wolff | 1982-12-14 |
| 4348324 | Liquid crystalline substituted 1,3-dioxanes and mixtures containing these | Dietrich Demus, Horst Zaschke, Hans-Mathias Vorbrodt, Wolfgang Weissflog | 1982-09-07 |
| 4344856 | Crystalline-liquid substituted 1,3-dioxanes and mixtures containing them | Dietrich Demus, Horst Zaschke, Hans-Mathias Vorbrodt, Wolfgang Weissflog | 1982-08-17 |
| 4293434 | Liquid crystal compounds | Hans-Joachim Deutscher, Herrmann Schubert, Christina Seidel, Dietrich Demus | 1981-10-06 |