Issued Patents 1994
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372746 | Fluoro-substituted tolane compounds and liquid crystalline mixtures containing same | Richard Buchecker | 1994-12-13 |
| 5364556 | Halovinyl-derivatives | Frank Seils | 1994-11-15 |
| 5335303 | Quasi-phased matched optical waveguide frequency conversion element having a ferroelectric liquid crystalline material exhibiting a periodic structure | Richard Buchecker, Xin Chen, Jurg Funfschilling, Rolf-Peter Herr, Klaus Schmitt | 1994-08-02 |
| 5328637 | Alkinyl-derivatives and their use in liquid crystalline mixtures | Richard Buchecker | 1994-07-12 |
| 5326497 | Nitrogen heterocycles and liquid crystalline mixtures containing them | Richard Buchecker, Stephen Kelly | 1994-07-05 |
| 5327273 | Bistable ferroelectric liquid crystal display cell | Leonid A. Beresnev, Richard Buchecker, Nina I. Chernova, Vladimir Grigorievich Chigrinov, Jurg Funfschilling +3 more | 1994-07-05 |
| 5322638 | Halophenyl substituted dioxanes | Alois Villiger | 1994-06-21 |
| 5319478 | Light control systems with a circular polarizer and a twisted nematic liquid crystal having a minimum path difference of .lambda./2 | Jurg Funfschilling | 1994-06-07 |
| 5309265 | Short pitch LC layer with a temperature independent .lambda..sub.0 and containing a nematic LC doped with plural chiral additives having the same twist sense | Richard Buchecker, Jurg Funfschilling | 1994-05-03 |
| 5302317 | Halobenzene liquid crystals | Arthur Boller, Richard Buchecker, Alois Villiger | 1994-04-12 |
| 5295009 | Polarizer device | Mikhail I. Barnik, Seraey V. Belyaev, Jurg Funfschilling, Nikolai Vladimirovich Malimonenko, Klaus Schmitt | 1994-03-15 |
| 5292452 | Alkenylcyclohexane liquid crystalline compounds | Richard Buchecker, Alfred Germann, Alois Villiger | 1994-03-08 |
| 5284956 | Liquid crystalline mixtures containing 2-(2-fluorophenyl) pyridines | Richard Buchecker, Assya I. Pavluchenko, Vladimir F. Petrov, Natalia I. Smirnova, Victor V. Titov | 1994-02-08 |