Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5651918 | Optically active 1,3-dioxolane derivatives carrying a mesogenic radical in the 4-position, a process for their preparation and their use as doping agents in liquid-crystal mixtures | Jurgen Gay, Rainer Wingen, Hans-Rolf Dubal, Claus Escher, Wolfgang Hemmerling +3 more | 1997-07-29 |
| 5637254 | Ferroelectric liquid-crystalline polymers, a process for their preparation and their use in electrooptical components | Andreas Schliwa, Wolfgang Trapp | 1997-06-10 |