Patents for C09K 19 - Liquid crystal materials (21,026) |
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03/06/1991 | EP0415220A2 Chiral doping agents for liquid crystals |
03/06/1991 | EP0415090A1 Fluorine-substituted compound containing ether bond and intermediate thereof |
03/06/1991 | EP0261160B1 Alicyclic compounds |
03/05/1991 | US4997942 2,4-disubstituted pyrazine derivatives, pyrimidine derivatives, and liquid crystal containing the same |
03/05/1991 | US4997591 Chiral smetic liquid crystals and glassy materials containing the same for displaying and storing information |
03/05/1991 | US4997264 Ferroelectric liquid crystal devices having a high surface tilt |
02/28/1991 | DE4026223A1 Novel 5-oxy-2-phenyl-pyridine(s) - useful as component in ferroelectric liq. crystal media to give favourable viscosity, high spontaneous polarisation etc. |
02/28/1991 | DE4026200A1 Fluessigkristallines medium Fluessigkristallines medium |
02/28/1991 | DE3928267A1 5-oxy-2-phenylpyrimidine und fluessigkristallines medium 5-oxy-2-phenylpyrimidines and fluessigkristallines medium |
02/28/1991 | DE3927497A1 Novel phenyl-cyclohexane(s) - useful in liq. crystal mixts., e.g. for nematic media or super-twist displays |
02/27/1991 | EP0414230A2 Liquid crystal composition and liquid crystal device containing the same |
02/27/1991 | EP0414048A2 Matrix-liquid crystal display |
02/27/1991 | EP0413989A2 Liquid crystal compounds |
02/27/1991 | EP0413973A1 Liquid crystalline polyesteretherimides and intermediates therefor |
02/27/1991 | EP0413785A1 Liquid crystalline media containing fluorinated oligophenyls. |
02/27/1991 | EP0302875B1 Optically active naphthalene compounds and liquid crystal compositions containing them |
02/26/1991 | US4996330 Chiral substituted tartarimides |
02/26/1991 | US4995705 Device, method and apparatus for optical modulation using ferroelectric polymer liquid crystals |
02/21/1991 | WO1991002043A1 Fluoro-chloro-benzene derivatives |
02/21/1991 | DE4025550A1 Phenylcyclohexane und fluessigkristallines medium Phenylcyclohexanes and fluessigkristallines medium |
02/21/1991 | DE4025418A1 Di:phenyl and phenyl-cyclohexyl alkyl ester - in liq. crystalline medium for electro-optical display esp. LCD |
02/20/1991 | EP0413585A1 Carboxylate compounds, liquid crystal compositions containing said compounds and liquid crystal element |
02/20/1991 | EP0413375A1 Thermotropic polyesters |
02/19/1991 | US4994204 Light modulating materials comprising a liquid crystal phase dispersed in a birefringent polymeric phase |
02/19/1991 | CA2022880A1 Carboxylate compounds, liquid crystal compositions containing said compounds and liquid crystal element |
02/14/1991 | DE4025370A1 2,5-Di:substd. 1,3-dioxan or pyrimidine derivs. - useful as components of liq. crystal media for electro-optical displays |
02/13/1991 | EP0412485A2 Polymeric liquid-crystal composition and polymeric liquid-crystal device |
02/13/1991 | EP0412409A2 Liquid crystal mixtures, especially ferroelectric liquid crystal mixtures and their use in electrooptic devices |
02/12/1991 | US4992203 Non-linear optics |
02/12/1991 | US4992201 Nematic curvilinearly aligned phase; emulsification of liquid crystals in suspension of latex |
02/12/1991 | CA1280110C LIQUID CRYSTALLINE FERROELECTRIC DERIVATIVES OF BRANCHED ACYCLIC .alpha.-CHLOROCARBOXYLIC ACIDS |
02/07/1991 | WO1991001511A1 Reverse mode microdroplet liquid crystal light shutter displays |
02/06/1991 | EP0411610A2 Ferroelectric liquid crystal composition and light switching device using said composition |
02/06/1991 | EP0411511A2 Supertwisted nematic liquid crystal display device |
02/06/1991 | EP0411122A1 Ferroelectric liquid crystal composition |
01/30/1991 | EP0410756A1 Cyclohexenylethane compounds |
01/30/1991 | EP0410469A2 Cyano-substituted compound containing ether bond |
01/30/1991 | EP0410447A2 Liquid crystalline compounds, liquid crystal compositions containing the same and use thereof |
01/30/1991 | EP0410233A2 (4-Arylbutyl) cyclohexane derivatives |
01/30/1991 | EP0410222A2 Aromatic polyester and a process for producing the same |
01/30/1991 | EP0410205A2 Anisotropic liquid crystal polymeric films |
01/30/1991 | EP0410142A2 Optically active liquid crystal compounds |
01/30/1991 | EP0088126B1 Encapsulated liquid crystal and method |
01/29/1991 | US4988821 Thermotropic liquid crystal compound |
01/29/1991 | US4988792 Thermotropic liquid crystals, tensile strength, fibers, impact strength |
01/29/1991 | US4988776 Polymer composition on the basis of polymer and a polyester amide |
01/29/1991 | US4988460 Hydrogen bonded addition polymers, polycarbonates, polyesters, or polyamides, aromatic ester derivatives as liquid crystals |
01/29/1991 | US4988459 Electrooptic switches or display |
01/29/1991 | US4988458 Liquid crystal phase containing admixtures which effect temperature compensation |
01/24/1991 | WO1991000898A1 Super-twist liquid crystal display |
01/24/1991 | WO1991000897A1 Chiral or achiral ring compounds |
01/24/1991 | WO1990013282A3 Decorative composition |
01/24/1991 | DE4006743A1 Chirale oder achirale ringverbindungen Chiral or achiral ring compounds |
01/24/1991 | DE3923750A1 Nematic liq. crystalline medium with positive dielectric anisotropy - contg. achiral cpds. and chiral dopant giving very wide thickness pitch window |
01/24/1991 | DE3923064A1 Supertwist-fluessigkristallanzeige Super-Twist fluessigkristallanzeige |
01/23/1991 | EP0409634A2 Liquid crystal compounds and optically active compounds |
01/23/1991 | EP0409442A2 Encapsulated liquid crystal apparatus having low off-axis haze and operable by a sine-wave power source |
01/23/1991 | EP0409234A2 Alpha-hydroxyketone derivatives, liquid crystal compositions containing said derivatives, and liquid crystal devices using said compositions |
01/23/1991 | EP0409070A2 Mesogenic cyanite functional maleimides and thermosets thereof |
01/23/1991 | EP0409069A2 Mesogenic polycyanates and thermosets thereof |
01/23/1991 | EP0409066A2 Optically active compound for liquid crystal and its use |
01/23/1991 | EP0408995A2 Liquid crystal medium with limited temperature-dependence of the d/p coefficient |
01/22/1991 | US4986931 Cyclohexane derivatives |
01/18/1991 | CA2021289A1 Mesogenic cyanate functional maleimides and thermosets thereof |
01/18/1991 | CA2021280A1 Mesogenic polycyanates and thermosets thereof |
01/17/1991 | DE3922416A1 New optically active cpds. with fluoro-substd. asymmetrical carbon |
01/17/1991 | DE3922308A1 New optically active cpds. with fluoro-substd. asymmetrical carbon |
01/17/1991 | DE3922307A1 New optically active cpds. with fluoro-substd. asymmetrical carbon |
01/16/1991 | EP0407944A2 Color image forming method providing balanced color tone |
01/16/1991 | EP0407830A2 Polarizer |
01/16/1991 | EP0407822A2 Polymer liquid crystal device |
01/16/1991 | EP0407569A1 Diphenylethanes |
01/16/1991 | EP0407438A1 Laterally fluorinated 4-cyanophenyl and 4'-cyanobiphenyl benzoates. |
01/15/1991 | US4985583 Liquid Crystals |
01/15/1991 | US4985533 Termotropic liquid-crystalline aromatic polyester from hydroquinone/substituted hydroquinone mixture |
01/15/1991 | US4985172 Chiral aryloxypropionates, and the use thereof as dopes in liquid-crystal phases |
01/15/1991 | US4985171 Anthraquinone type compound and liquid crystal composition containing such compound |
01/15/1991 | CA1279147C Optically anisotropic melt forming aromatic copolyesters based on t-butylhydroquinone |
01/10/1991 | DE3920509A1 New partly liq. crystalline silylated benzoic acid cpds. |
01/09/1991 | EP0406979A1 Polymer composition based on a liquid crystalline polymer and a polyamide |
01/09/1991 | EP0406812A2 Process for the preparation of NiNi-dialkyl-1,8-naphthalene diamine |
01/09/1991 | EP0406705A2 Liquid crystal apparatus and chiral smectic liquid crystal composition for use therein |
01/09/1991 | EP0406468A1 Nematic-liquid-crystal composition for active matrix application |
01/08/1991 | US4983713 Polyester resin exhibiting optical anisotropy in molten state containing minor amounts of 6-oxy-2-naphthoyl units |
01/08/1991 | US4983479 Method of manufacturing a laminated element and the element thus obtained |
01/08/1991 | US4983318 Applying a pulsating electric field |
01/03/1991 | DE3920571A1 New optically active cpds. with fluoro-substd. asymmetrical carbon |
01/02/1991 | EP0405983A2 Optically active substance and liquid crystal composition |
01/02/1991 | EP0405868A2 Liquid crystal composition |
01/02/1991 | EP0405713A1 Polymerization of liquid crystalline monomers |
01/02/1991 | EP0405516A2 Ferroelectric, pyramidal liquid crystals |
01/02/1991 | EP0405346A2 Bistable ferroelectric liquid cristal display |
01/02/1991 | EP0405326A2 Silylated benzoic acid derivatives |
01/01/1991 | US4981967 Pyrimidine compounds and their use as liquid crystals |
01/01/1991 | US4981607 Liquid-crystalline organopolysiloxanes and methods for their preparation |
12/29/1990 | CA2020115A1 Ferroelectric, pyramidal liquid crystals |
12/27/1990 | WO1990016007A1 Liquid-crystal switching and display element |
12/27/1990 | WO1990015854A1 Electro-optical liquid crystal system |
12/27/1990 | WO1990013611A3 Optically active compounds and liquid crystal phase |
12/27/1990 | EP0404639A2 Cholesteric liquid composition and color-forming liquid crystal composite products |