Patents for C09K 19 - Liquid crystal materials (21,026) |
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05/11/1994 | WO1994010260A1 Multistable chiral nematic displays |
05/11/1994 | WO1994010153A1 Method of preparing hydroxy-substituted aromatic hetero-compounds |
05/11/1994 | WO1994010152A1 Bifunctional intermediates for use in the manufacture of liquid crystals |
05/11/1994 | WO1994010116A1 Acetylene derivative, process for producing the same, liquid crystal composition containing the same as active ingredient, and liquid crystal element made therefrom |
05/11/1994 | WO1994010105A1 Method of crosslinking aromatic boron acids with aromatic halogen compounds or perfluoroalkyl sulphonates |
05/11/1994 | EP0595850A1 Polymer alloy made of polyetherimides and liquid-crystalline copolyesters |
05/11/1994 | DE4237661A1 Elektrostatische Toner, enthaltend amphiphile Flüssigkristalle An electrostatic toner containing amphiphilic liquid crystals |
05/10/1994 | US5311343 Liquid crystal device with at least two liquid crystal compounds, one having and one not having a chiral smectic phase |
05/10/1994 | US5310859 Liquid crystalline polyesters and methods for their production |
05/10/1994 | US5310837 Liquid crystalline colorant polymer |
05/10/1994 | US5310503 Stilbene compound, intermediate for producing the stilbene compound, method of producing the stilbene compound, and liquid crystal composition containing the stilbene compound |
05/10/1994 | US5310502 High tilt angle FLC mixture for TIR switching devices |
05/10/1994 | US5310501 Anisotropic compounds having Nematic phase and liquid crystal mixtures |
05/10/1994 | US5310500 Fluorinated naphthalenecarboxylic acid ester derivatives; electrooptics |
05/10/1994 | US5310499 Short response times |
05/05/1994 | DE4237163A1 New 2-pyrimidine-carboxylate ester cpds. used in liquid crystal medium - for LCD and dielectric of electro-optical display, which are stable and have low viscosity and high dielectric anisotropy |
05/05/1994 | DE4236935A1 Anisotropic porous network with accurately controlled pore size - contg. acryloyl:oxy-benzoyloxy-phenyl acrylate and liquid crystalline cpds., useful in liquid chromatography and membrane prodn. |
05/04/1994 | EP0595144A1 Cyclohexyl alkenoates as components of liquid crystalline mixtures |
05/04/1994 | EP0594861A1 Optically active tetrahydropyran derivative, and liquid crystal composition and liquid crystal element both containing the same |
05/04/1994 | EP0594728A1 Optical devices, their production and use |
05/04/1994 | EP0395666B1 Laterally cyano- and fluoro-substituted terphenyls |
05/04/1994 | EP0215800B2 Pyrimidines |
05/04/1994 | EP0174982B1 Encapsulated liquid crystal material, apparatus and method |
05/03/1994 | US5309265 Short pitch LC layer with a temperature independent λ0 and containing a nematic LC doped with plural chiral additives having the same twist sense |
05/03/1994 | US5308543 Nematic liquid-crystal composition for active matrix application |
05/03/1994 | US5308542 4,4'-disubstituted 2',3-difluorobisphenyls and a liquid-crystalline medium |
05/03/1994 | US5308541 Halogenated benzene derivatives, and a liquid-crystalline medium |
05/03/1994 | US5308540 Reacting an optically active glycidyl ether with a malonate in the presence of a base in an organic solvent to produce a compound having an optically active lactone ring |
05/03/1994 | US5308539 Ferroelectric liquid crystal composition and liquid crystal device using the same |
05/03/1994 | US5308538 Mixture of pyrimidine compound and nitrile compound, rapid switching times |
05/03/1994 | US5308537 Unsaturated liquid crystal compounds containing trifluoromethyl groups |
05/03/1994 | US5308536 Optically active 4-mercaptocinnamic acid derivatives, preparation method thereof and use thereof |
05/03/1994 | CA1329252C Light modulation element |
04/28/1994 | WO1994009194A1 Liquid crystal copolymer containing alkoxy-substituted para-phenylene terephthalate groups |
04/28/1994 | WO1994009086A1 Liquid crystalline organosiloxanes containing doristerol |
04/28/1994 | WO1994009085A1 Thio-ester compounds and mixtures and devices containing such compounds |
04/28/1994 | WO1994009011A1 Siloxane derivatives containing quaternary ammonium groups, process for their production and their use |
04/28/1994 | DE4236106A1 New liq. crystalline aza-aromatic cpds. - esp. useful in ferroelectric mixts. for electro-optical switches, display elements etc. |
04/28/1994 | DE4236104A1 Bifunktionelle Vorprodukte zur Herstellung von Flüssigkristallen Bifunctional precursors for the preparation of liquid crystals |
04/28/1994 | DE4236103A1 Verfahren zur Kreuzkupplung von aromatischen Boronsäuren mit aromatischen Halogenverbindungen oder Perfluoralkylsulfonaten Process for the cross-coupling of aromatic boronic acids with aromatic halogen compounds or perfluoroalkyl sulfonates |
04/28/1994 | DE4236102A1 Verfahren zur Herstellung von Hydroxyheteroaromaten A process for preparing Hydroxyheteroaromaten |
04/28/1994 | DE4235975A1 New methylene-spiro=alkane cpds. and use in liquid crystal media - for electro-optical displays, esp. active matrix or supertwist displays, with low viscosity and moderate positive dielectric anisotropy |
04/28/1994 | DE4235974A1 New methylene-cyclobutane-benzene cpds. and use in liquid crystal media - esp. for electro-optical display, giving relatively low viscosity and favourable optical and dielectric anisotropy and specific resistance |
04/27/1994 | EP0593997A1 Fluor substituted phenyl-cyclohexyl acetylenes and liquid crystals mixtures containing them |
04/27/1994 | EP0593592A1 Thermotropic liquid crystal segmented block copolymer |
04/26/1994 | US5307187 Liquid crystal element with higher resistivity in the encapsulation medium than in the liquid crystal |
04/21/1994 | DE4234845A1 Flüssigkristalline doristerolhaltige Organosiloxane Liquid crystalline doristerolhaltige Organosiloxanes |
04/21/1994 | DE4234627A1 New 3-fluorophenyl-piperidine and -piperazine and precursor cpds. - used in liq. crystal medium, esp. for electro-optical display |
04/20/1994 | EP0592669A1 Optically active trifluorolactic acid derivative and liquid crystal composition |
04/20/1994 | EP0592635A1 Tn cell with improved grey-shade representation |
04/20/1994 | CN1085591A Liquid-crystal composition and liquid-crystal-displaying element using same |
04/20/1994 | CN1024300C Color liquid crystal display |
04/19/1994 | US5305131 Liquid crystal composition having an improved temperature dependence of response speed, liquid crystal device and display apparatus |
04/19/1994 | US5305127 Ferroelectric liquid crystal device with an AC electric field producing a helical structure and/or color control |
04/19/1994 | US5305126 Polymer-dispersed liquid crystal material with in-situ polymerized liquid crystal polymer grains dispersed in a layer of liquid crystal material sealed between substrates and field electrodes |
04/19/1994 | US5304667 Cyclosiloxanes containing mesogenic side groups |
04/19/1994 | US5304334 Method of preparing a multiphase composition |
04/19/1994 | US5304323 Liquid crystal devices and process for producing the same |
04/14/1994 | WO1994008268A1 Liquid crystalline material |
04/14/1994 | DE4234089A1 Pyridine derivs. - are useful for liq. crystal displays and have low viscosity and high dielectric anisotropy |
04/13/1994 | EP0592269A1 Antiferroelectric liquid crystal compound and liquid crystal composition containing the same |
04/13/1994 | EP0592092A1 Ferroelectric liquid crystal composition |
04/13/1994 | EP0591768A1 New sunfactants, process for their preparation, formulations thereof and their application |
04/13/1994 | EP0591508A1 Electrooptical liquid crystal system |
04/13/1994 | EP0424461B1 Novel ferroelectric liquid-crystal polymers, process for producing said polymers and their use in electro-optical components |
04/12/1994 | US5303073 Dispersion-type liquid crystal display element with oriented dichroic dye in the support media |
04/12/1994 | US5302317 Halobenzene liquid crystals |
04/12/1994 | CA2026702C Ultrathin membrane of polymethacrylate or polycrotonate and device provided with ultrathin membrane |
04/06/1994 | EP0590984A1 A polymer dispersed liquid crystal complex film, a liquid crystal display device, and a method for producing the same |
04/06/1994 | EP0590376A1 Polymeric composite material |
04/06/1994 | EP0441933B1 Difluorobenzonitriles and liquid-crystal medium |
04/05/1994 | US5301049 Liquid crystal device with at least two liquid crystal compounds, one having one not having a cholesteric phase |
04/05/1994 | US5301045 Helical liquid crystalline element which produces linear polarized light |
04/05/1994 | US5300254 Improved multiplexing capacity |
04/05/1994 | CA1328330C Photocrosslinkable liquid crystalline polymers |
04/04/1994 | CA2107527A1 Surfactants, process for their preparation, compositions containing them, and their use |
03/31/1994 | WO1994006885A1 Dioxane derivatives |
03/31/1994 | DE4331675A1 Bistable ferroelectric liq. crystalline medium used in electro=optical display component |
03/30/1994 | EP0589331A1 Acetylene derivatives and liquid crystalline mixtures containing them |
03/30/1994 | EP0429558B1 Diphenylylethanes and liquid crystalline phase |
03/29/1994 | US5298590 Liquid crystal alignment treating agent |
03/29/1994 | US5298575 Nitro group terminated mesogenic epoxy resin adducts |
03/29/1994 | US5298188 Fluorinated liquid crystals |
03/26/1994 | CA2105817A1 Cosmetic composition |
03/24/1994 | DE4230288A1 Chiral valerolactone derivs. - useful as dopants for liq. crystal media, to give high spontaneous polarisation with compensated pitch |
03/23/1994 | EP0588291A1 2-Fluorobenzonitrile derivative |
03/22/1994 | US5296616 Optically active fluorine-containing compound |
03/22/1994 | US5296570 Curable mixtures of mesogenic epoxy resins and mesogenic polyamines and cured compositions |
03/17/1994 | WO1994006050A1 Directly formed polymer dispersed liquid crystal light shutter displays |
03/17/1994 | WO1994005613A1 Difluoride derivative and liquid crystal composition containing the same |
03/16/1994 | EP0587280A1 Antiferroelectric liquid crystal composite material, process for preparing the same, and liquid crystal element using the same |
03/16/1994 | EP0587052A1 Ferroelectric liquid crystal composition |
03/16/1994 | EP0586373A1 Methods of fabricating dual anode, flat panel electrophoretic displays. |
03/15/1994 | US5295009 Polarizer device |
03/15/1994 | US5294367 Ferroelectric liquid crystal composition and light switching element comprising the same |
03/15/1994 | US5294366 Trifluoroalkyl esters of an alkoxynaphthylenecarbonyl oxyphenylenecarbonyloxybenzoic acid |
03/09/1994 | EP0586263A1 A liquid crystal compound |
03/09/1994 | EP0586014A1 Optical modulation device |
03/09/1994 | CN1083497A Thermotropic liquid crystal polymer toughening epoxy resin and its preparation method |
03/08/1994 | US5292831 Mesogenic epoxy compounds |