Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849130 | Liquid crystalline ethane derivatives, their preparation and the liquid crystal compositions containing same | Roman Dabrowski, Tomasz Szczucinnski, Witold Drzewinski, Zofia Stolarz, Jozef Zmija +2 more | 1989-07-18 |