Issued Patents 1997
Showing 1–1 of 1 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 | Gunter Scherowsky, Rainer Wingen, Hans-Rolf Dubal, Claus Escher, Wolfgang Hemmerling +3 more | 1997-07-29 |