Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4434073 | Perhydrophenanthrene derivatives, their preparation, and their use in liquid-crystalline dielectrics and electro-optical display elements | Wolfgang Sucrow, Hans-R/u/ diger Murawski, Horst Stegemeyer | 1984-02-28 |