C09K 19 - Liquid crystal materials

Patents for C09K 19 - Liquid crystal materials (21,026)
12/1993
12/14/1993	US5270405 Mesogenic epoxy compounds
12/14/1993	US5270404 Curable compositions of mesogen-containing advanced epoxy resins and curing agents therefor
12/14/1993	US5269965 Optically active compounds, liquid crystal compositions comprising said compounds and liquid crystal optical modulators using said compositions
12/14/1993	US5269964 Liquid crystal composition, liquid crystal device, display apparatus and display method
12/14/1993	US5269963 Ferroelectric polyacrylate, and smectic liquid crystals
12/09/1993	WO1993024589A2 Electrooptical liquid crystal system
12/09/1993	DE4218614A1 Liq. crystal indicator elements and electro-optic indicator element dielectrics - contain liq. crystal media having low viscosity, relatively high dielectric anisotropy and high nematogenity
12/09/1993	DE4218613A1 Liq. crystal medium having very high specific resistance - based on a mixt. of polar cpds. having positive dielectric anisotropy and is useful for e.g. NFK TN and STN electro-optic indicators
12/08/1993	EP0391986B1 Display element based on the electroclinic effect
12/08/1993	EP0387315B1 Fluorinated alkoxyl compounds
12/08/1993	EP0381728B1 Difluoromethyl compounds
12/07/1993	US5268783 Liquid crystal device including a polymer having a surface energy of at most 25 dyn/cm, display apparatus using same and display method using same
12/07/1993	US5268584 Strong liquid-crystalline polymeric compositions
12/07/1993	US5268443 Liquid crystalline copolyesters of 4-hydroxybenzoic acid and substituted 4-hydroxybenzoic acids
12/07/1993	US5268434 Diamino-alpha-alkylstilbenes as epoxy resin curing agents
12/07/1993	US5268225 Self reinforced thermoplastic composite laminate
12/07/1993	US5268123 Structure containing thiophene and benzene rings
12/01/1993	EP0571955A1 Liquid crystal composition and liquid crystal device using the same
12/01/1993	EP0571916A1 A liquid crystal composition and a liquid crystal display containing it
12/01/1993	EP0571652A1 Liquid crystalline substituted dihydrobenzene derivatives
12/01/1993	EP0571550A1 Method for making encapsulated liquid crystal material.
12/01/1993	CN1078972A Twisted nematic film, a method for the preparation thereof, and a display device comprising said film
11/1993
11/30/1993	US5266661 Epoxy resins
11/30/1993	US5266660 Curable compositions containing mesogenic epoxy compounds and cured products thereof
11/30/1993	US5266235 Liquid crystal, high temperature driving properties, weakly positive dielectric anisotropy
11/30/1993	CA1324791C Liquid-crystalline phenylpyrimidinyl cyclohexanecarboxylates having a smectic phase, a process for their preparation, and their use in liquid-crystal mixtures
11/25/1993	WO1993023496A1 Liquid crystalline light modulating device & material
11/25/1993	WO1993023495A1 Electrically conducting liquid-crystal polymers and process for preparation thereof
11/25/1993	WO1993023451A1 Melt-processable liquid crystalline polyester, process for the preparation thereof and products prepared from the polyester
11/24/1993	EP0571278A1 Antiferroelectric liquid crystal compound and process for producing the same
11/24/1993	EP0571277A1 Antiferroelectric liquid crystal compound
11/24/1993	EP0571276A1 Liquid crystal monomeric compound and liquid crystal polymer compound modified therewith
11/24/1993	EP0357727B1 2,3-difluorobenzene derivatives and their use as components of liquid crystal media
11/24/1993	EP0281611B1 Liquid crystal phases for electro-optic display elements based on the ecb effect
11/23/1993	US5264517 High polymer and ferroelectric liquid crystal composition utilizing same
11/23/1993	US5264502 Diamino-alpha-alkylstilbene curing agents for epoxy resins
11/23/1993	US5264152 Ferroelectric
11/23/1993	US5264151 Optically active ester derivatives, preparation process thereof, liquid crystal materials and a light switching element
11/23/1993	US5264150 Optically active alcohol, process for producing same and liquid crystal compound using same
11/23/1993	US5264149 Liquid crystal compounds having a terminal 1-alkynyl residue
11/18/1993	EP0569809A1 Process and means for disinclination-free planar orientation of chiral liquid cristalline side chain polymers
11/18/1993	EP0569553A1 Copolymer of liquid crystal triad aromatic ester mesogenic unit with flexible spacer and polyester
11/16/1993	US5262556 Process for the reaction of halogenated aromatics with electrophiles
11/16/1993	US5262509 Mesogenic glycidyl amines
11/16/1993	US5262086 Used as photoelectric element utilizing response to an electric field; exhibits high optical purity
11/16/1993	US5262085 For use in liquid crystal and electrooptical display elements
11/16/1993	US5262084 Liquid crystal composition
11/16/1993	US5262083 Oxazole or thiazole compounds
11/16/1993	US5262082 Ferroelectric liquid crystal compounds having perfluoroether terminal portions
11/16/1993	US5262081 Liquid crystalline polyesters for optical data storage
11/11/1993	WO1993022397A1 Electrooptical liquid crystal system
11/11/1993	WO1993022396A1 Liquid crystal compounds having perfluoroether terminal portions
11/11/1993	WO1993021930A1 Method of preparing a multiphase composition
11/11/1993	DE4215277A1 2,2,3,3-Tetra:fluoro-alkoxy-benzene cpds. - used as components of stable liquid crystal medium with wide mesophase range and good low temp. property, for LCD and electro-optical display
11/11/1993	CA2133652A1 Liquid crystal compounds having prefluoroether terminal portions
11/09/1993	US5259987 Optical imformation storage, polysiloxane modified by a mesogenic alkene
11/04/1993	DE4211694A1 New alk(en)-yl-terminated liquid crystal cpds. and use as achiral component - for stabilising smectic C phase in chiral tilted smectic medium used in LCD, esp. ferroelectric LCD
11/03/1993	EP0568246A1 Liquid crystal display device and liquid crystal substance therefor
11/03/1993	EP0568040A1 Cyclohexane derivative and liquid crystal composition containing the same
11/03/1993	EP0567854A1 Ferroelectric liquid crystal mixtures and displays using same
11/03/1993	EP0277241B1 Liquid crystal polymer
11/03/1993	EP0187768B1 Liquid crystal temperature sensor and materials
11/02/1993	US5258135 Liquid crystal composition and liquid crystal display using said composition
11/02/1993	US5258134 Polymers containing ester, ether, thioester or carbonate groups
10/1993
10/28/1993	WO1993021555A1 Electrodeposition method of applying encapsulated liquid crystal material to electrodes
10/28/1993	WO1993021281A1 Tn cell with improved grey-shade representation
10/28/1993	DE4212744A1 TN-Zelle mit verbesserter Graustufendarstellung TN cell with improved grayscale
10/28/1993	CA2132618A1 Electrodeposition method of applying encapsulated liquid crystal material to electrodes
10/27/1993	EP0566987A1 Ferroelectric liquid crystal displays
10/27/1993	EP0566683A1 Polymer-dispersed liquid crystal device having an ultraviolet-polymerizable matrix and a variable optical transmission and a method for preparing the same
10/26/1993	US5257127 Device for doubling the frequency of a light wave using a three dimensional polymer network
10/26/1993	US5256761 Polyester coatings containing covalently-bound mesogenic monomers
10/26/1993	US5256330 Lactone compound and composition comprising the same
10/26/1993	CA1323724C Liquid crystalline polyesters
10/21/1993	DE4234105C1 Quartäre Ammoniumgruppen enthaltende Siloxanderivate, Verfahren zu ihrer Herstellung und ihre Verwendung Siloxane derivatives containing quaternary ammonium groups, process for their preparation and their use
10/21/1993	DE4204536A1 New optically active spiro-lactone cpds. used as chiral dopant - in ferroelectric liquid crystal medium, esp. for LCD or switch, which are oxo-oxa:spiro nonane, oxa:spiro decane or oxa:spiro un-decane cpds.
10/20/1993	EP0566380A2 Carboxylic acid ester compound, liquid crystal material, liquid crystal compositions and liquid crystal element
10/20/1993	EP0566379A2 Tetralin compound, liquid crystal material, liquid crystal composition and liquid crystal element
10/20/1993	EP0565688A1 Electrooptical liquid crystal system
10/20/1993	CN1022490C Liquid crystal mixture
10/19/1993	US5254747 Fluorine-containing chiral smectic liquid crystals
10/19/1993	US5254698 Liquid crystals
10/14/1993	WO1993020069A1 Chiral oxirane derivatives and their use as doping agents in liquid crystal mixtures
10/14/1993	WO1993020068A1 Chiral oxirane derivatives and their use as doping agents in liquid crystal mixtures
10/14/1993	DE4307243A1 Prepn. of di:aryl cpds. useful for producing liquid crystal cpds. - involves coupling of aryl halide(s) with aromatic boron acid derivs. using palladium catalyst
10/14/1993	DE4211563A1 Chirale Oxiranderivate und ihre Verwendung als Dotierstoffe in Flüssigkristallmischungen Chiral oxirane derivatives and their use as dopants in liquid-crystal mixtures
10/14/1993	DE4211562A1 Chirale Oxiranderivate und ihre Verwendung als Dotierstoffe in Flüssigkristallmischungen Chiral oxirane derivatives and their use as dopants in liquid-crystal mixtures
10/13/1993	EP0565353A1 Liquid crystal polymer composition
10/13/1993	EP0565182A1 Twisted nematic film, a method for the preparation thereof, and a display device comprising said film
10/13/1993	EP0564959A1 Surface coating medium
10/13/1993	EP0564932A1 Use of chiral (1S,4R)-1,4-Dihydroxy-2-cyclopentenyl group for the preparation of polar liquid crystalline materials
10/13/1993	EP0564869A1 Electrooptical liquid crystal systems
10/13/1993	EP0386198B1 Thermochromic mixtures
10/13/1993	CN1022409C Liquid crystal cyclicpropylalkyl or alkenyl heterocyclic compound and process for preparing same
10/12/1993	US5253090 Liquid crystal electro-optic device with two materials different in refractive index dispersed in the liquid crystal
10/12/1993	US5252698 Metal ion porphyrin-containing poly(azine)
10/12/1993	US5252695 Fast switching ferroelectric liquid crystalline polymers
10/12/1993	US5252253 Phenyl naphthalenes having liquid crystalline properties
10/12/1993	US5252252 Anisotropic compounds and liquid crystal mixtures
10/12/1993	US5252251 Mesomorphic polymer, monomeric mesomorphic compounds, liquid crystal composition and liquid crystal device

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