Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852977 | 19 -hydroxy carboxylic acid derivatives suitable for use in liquid crystal materials and devices | Lawrence K. Chan, David Coates, Peter A. Gemmell, David Lacey, Kenneth J. Toyne +1 more | 1989-08-01 |
| 4834905 | Ring compounds | Rudolf Eidenschink, Joachim Krause, Beatrice M. Andrews, Neil Carr | 1989-05-30 |
| 4824217 | Compounds for ferroelectric liquid crystal devices | Lawrence K. Chan, David Coates, Peter A. Gemmell, David Lacey, Kenneth J. Toyne +4 more | 1989-04-25 |