Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366657 | Geminal dimethylalkyl compounds, process for their preparation and their use in liquid-crystalline mixtures | Gerhard Illian, Takamasa Harada | 1994-11-22 |
| 5354500 | Optically active carboxylic esters of oxygen-containing heterocycles as doping substances in liquid crystal mixtures and liquid crystal mixtures containing them | Wolfgang Hemmerling, Hans-Rolf Dubal, Claus Escher, Gerhard Illian, Mikio Murakami +2 more | 1994-10-11 |
| 5348684 | Organosilylalkyl or organosilylalkenyl compounds, process for preparing them and their use in liquid-crystalline mixtures | Wolfgang Hemmerling, Hans-Rolf Dubal, Claus Escher, Gerhard Illian, Yoshio Inoguchi +3 more | 1994-09-20 |
| 5328638 | Optically active esters of 5-ethyl- and 5-vinyl-1,3-dioxolane-4-carboxylic acid, their use as doping substances in liquid crystal mixtures and the liquid crystal mixtures containing the new esters | Hans-Rolf Dubal, Claus Escher, Wolfgang Hemmerling, Gerhard Illian, Mikio Murakami +2 more | 1994-07-12 |
| 5286409 | Liquid-crystalline mixtures, in particular ferroelectric liquid-crystalline mixtures | Hans-Rolf Dubal, Claus Escher, Takamasa Harada, Wolfgang Hemmerling, Gerhard Illian +3 more | 1994-02-15 |