Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874545 | Chiral esters of .alpha.-substituted phenylalkanoic acids and mesogenic hydroxy compounds, and their use as a doping substance in liquid crystal phases | Gerd Heppke, Gunter Scherowsky, Christian Bahr | 1989-10-17 |