Patents
Sitemap › C09 - Dyes; Paints; Polishes; Natural resins; Adhesives; Compositions not otherwise provided for; Applications of materials not otherwise provided for › C09K - Materials for applications not otherwise provided for; Applications of materials not otherwise provided for › C09K 19 - Liquid crystal materials
Patents for C09K 19 - Liquid crystal materials (21,026)
10/1991
10/29/1991US5061398 Optically active lactone derivative, intermediate therefor, process for producing the intermediate, liquid-crystal composition, and liquid-crystal display device
10/29/1991US5061047 Smectic liquid crystal devices
10/29/1991US5061046 Gradient index liquid crystal devices and method of fabrication thereof
10/29/1991US5061045 Liquid crystal light modulation device and liquid crystal light modulation apparatus
10/29/1991CA1291552C Liquid crystal color display and method
10/24/1991DE4111990A1 Alkoxy di- and tri-fluoro-tolan(s) - useful as components of LC media
10/24/1991DE4110865A1 New halogenated phenyl-cyclohexane(s) - useful as components of LC media for electro=optical displays
10/24/1991DE4012865A1 Fluoro-aryl cpds. prodn. with ortho electrophilic substituent
10/23/1991EP0453309A2 Ferroelectric liquid crystal composition
10/23/1991EP0452719A1 Halogenated biphenyles and liquid crystal medium
10/23/1991EP0452460A1 Electro-optical liquid crystal system.
10/23/1991EP0452444A1 Phenylcyclohexanes and liquid crystalline media
10/23/1991EP0452438A1 Light control devices with liquid crystals
10/22/1991US5059345 Optically active compound and chiral liquid crystal composition containing the same
10/22/1991US5059340 For display mode
10/22/1991CA2040876A1 Ferroelectric liquid-crystal display of high contrast and brightness
10/17/1991WO1991015556A1 Liquid crystalline medium
10/17/1991WO1991015555A2 Nematic liquid crystal mixtures and a matrix liquid crystal display
10/17/1991WO1991015450A1 Phenyl cyclohexanes and liquid crystal medium
10/17/1991DE4112025A1 Liq. crystal mixt. with wide nematic phase range etc. - contg. one or more opt. substd. alkyl bis-(1-4-cyclohexylene) phenylene cpds. with ethylene linking gp.
10/17/1991DE4112024A1 Liq. crystal mixt. with wide nematic phase range etc. - contg. one or more opt. substd. alkyl 1,4-cyclohexylene-ethylene-phenylene cpds.
10/17/1991DE4112003A1 Liq. crystal mixt. with wide nematic phase range etc. - contg. one or more substd. alkyl bis:phenylene cpds.
10/17/1991DE4111998A1 Liq. crystal mixt. with wide nematic phase range etc. - contg. one or more substd. alkyl 1,4-cyclohexylene phenylene fluoride(s)
10/17/1991DE4111997A1 Polar liq. crystal compsns.
10/17/1991DE4111824A1 Liq. crystal medium - based on mixts. of polar cpds. with linked 1.4-phenylene and 1,4-cyclohexylene rings with positive dielectric anisotropy
10/17/1991DE4111805A1 Liq. crystal mixt. with wide nematic phase range etc. - contg. one or more opt. substd. alkyl 1,4-cyclohexylene bis-phenylene cpds.
10/17/1991DE4111766A1 Liq. crystal mixt. with wide nematic phase range etc. - contg. one or more opt. substd. alkyl 1,4-cyclohexylene bis:phenylene cpds. with ethylene linking gp.
10/17/1991DE4111015A1 Liq. crystal mixt. with wide nematic phase range - contg. opt. substd. alkyl 1,4-cyclohexylene-phenylene cpd(s)
10/17/1991DE4110525A1 Liq. crystal mixt. with wide nematic phase range - contg. opt. substd. alkenyl bis-1,4-cyclohexylene phenylene halide deriv(s).
10/17/1991DE4011812A1 Tetrasubstituierte methane mit fluessigkristallinen eigenschaften Tetra-substituted methanes with fluessigkristallinen properties
10/17/1991DE4011803A1 Ferroelectric liq. crystal mixts. - contain at least 2 components, at least one of which is a complex ligand for ions, esp. cations
10/17/1991DE4011530A1 Two-layer liq. crystal cell - has compensating layer contg. liq. crystal linked 1,4-phenylene and trans-1,4-cyclohexylene rings
10/16/1991EP0452092A2 6-Epithioethyl-3-oxatricyclo (3.2.1.02.4) octane and process for preparation thereof
10/16/1991EP0451905A1 Liquid crystalline material and display cell containing said material
10/16/1991EP0451854A2 Liquid crystal medium
10/16/1991EP0451822A2 Use of macrocyclic compounds as components for ferroelectric liquid crystal mixtures
10/16/1991EP0451821A2 Ferroelectric liquid crystal mixtures containing an ionophore
10/16/1991EP0451820A2 Process for manufacturing a shock-resistant liquid crystal switch and display
10/16/1991EP0306521B1 Ethine derivatives as compounds of liquid crystal phases
10/15/1991US5056898 Reverse mode microdroplet liquid crystal light shutter displays
10/15/1991CA1290755C Chiral aryl-2,3-epoxyalkyl-ethers and the corresponding thio compounds thereof, and the use thereof as dopes in liquid-crystal phases
10/15/1991CA1290752C Dichroic coloring agents for liquid crystal displays
10/15/1991CA1290567C Polymer blends exhibiting nonlinear optical response
10/13/1991WO1991016295A1 Tretra-substituted methanes with liquid crystal properties
10/13/1991CA2040268A1 Use of macrocyclic compounds as component for ferroelectric liquid crystal mixtures
10/13/1991CA2040239A1 Ionophore-containing ferroelectric liquid crystal mixtures
10/13/1991CA2040227A1 Process for the production of an impact-resistant liquid crystal switching and display device
10/10/1991DE4110018A1 New phenyl cyclohexane cpds. - used in liquid crystalline medium for electro=optical display
10/10/1991DE4109285A1 Liq. crystalline medium - contg. fluoro di:fluoro-methoxy benzene cpd. with cyclohexyl-cyclohexyl substit., used in electro=optical display
10/10/1991DE4010683A1 Fluoro-aryl cpds. prodn. with ortho electrophilic substituent
10/09/1991EP0450652A2 Liquid crystalline polyesters and methods for their production
10/09/1991EP0450595A1 Liquid crystal compound and liquid crystal display device
10/09/1991EP0450368A2 Liquid crystal display and liquid crystal mixture
10/09/1991EP0450354A2 Matrix-liquid crystal display
10/09/1991EP0450025A1 Temperature compensation of liquid-crystal parameters.
10/09/1991EP0449831A1 Compounds and methods based on 1.1.1]propellane
10/09/1991CN1055191A Processing of liquid crystalline solid colour-developing film from cellulose derivatives
10/08/1991US5055547 Liquid-crystal copolyethers based on 7-oxa-bicyclo(2,2,1)heptane
10/08/1991US5055225 High speed response
10/08/1991US5055224 Liquid crystal phase
10/08/1991US5055223 Aryl-sulfur pentafluorides
10/08/1991US5055222 α-substituted-propionic acid esters
10/08/1991US5055221 Smectic liquid-crystalline phases
10/08/1991US5055220 Dicyclohexylethylene derivatives
10/08/1991US5054888 Methods of making composite optical devices employing polymer liquid crystal
10/08/1991CA1290147C Liquid crystal temperature sensor and materials
10/03/1991WO1991012234A3 Difluoroacetonitrile derivatives
10/03/1991WO1991006522A3 Phenylcyclohexanes and liquid crystalline media
10/02/1991EP0449288A2 Phenylethanes and liquid crystal medium
10/02/1991EP0449059A2 Liquid-crystal polyester resin composition
10/02/1991EP0449049A2 Naphthalenedicarboxylic acid esters
10/02/1991EP0449015A2 Difluoromethyl compounds and liquid criystal medium
10/02/1991DE4110094A1 New phenyl-ethane cpds. contg. 2 or 3 other rings
10/02/1991DE4109992A1 New halogenated bi:phenyl derivs. - useful as liq. crystal components
10/02/1991DE4108398A1 Electrically controlled birefringence liq. crystal display - contg. novel nematic mixt. with specified opt. fluorinated phenylene-ethylene-bi:phenylene cpd.
10/02/1991DE4010433A1 New chloromethyl substd. linear poly-cyclic cpds. - used in liq. crystal medium esp. for matrix or super-twist display
10/01/1991US5053507 Optically active pyrimidines derivatives
10/01/1991US5053473 Method for the production of liquid-crystalline organopolysiloxanes
10/01/1991US5053164 Substituted naphthalene compounds and liquid crystal compositions containing same
10/01/1991US5053163 Large negative dielectric anisotropy; low voltage ac-stabilizing effect; high speed response
10/01/1991US5053162 Difluoroalkylcyclohexylbenzonitrile derivative
10/01/1991US5052784 Fluorescent colored encapsulated liquid crystal apparatus using enhanced scattering
10/01/1991CA1289968C Macrocyclic tetramers having columnar tridimensional mesophases
09/1991
09/26/1991DE4106345A1 New halogen-substd. 1,2-di:phenyl-ethane cpds. and use - in liq. crystal medium for LCD and electro-optical display with low viscosity
09/25/1991EP0447602A2 Melt processable thermotropic aromatic copolyesters and process for preparing same
09/25/1991EP0447565A1 1,3-dioxane derivative and liquid-crystal composition containing the same
09/24/1991US5051527 Liquid crystal compounds having fluoroalkyl radical
09/24/1991US5051506 Compounds for electrooptical displays
09/24/1991CA1289494C Production of microbial cellulose
09/19/1991WO1991014201A1 Electro-optical liquid crystal system
09/19/1991WO1991013947A2 Liquid crystalline medium
09/19/1991WO1991013850A1 4,4'-disubstituted 2',3-difluorbiphenyls and liquid crystalline medium
09/19/1991DE4107120A1 4,4'-Di:substd. 2',3-di:fluoro-bi:phenyl cpds. - useful as components of liq. crystal media for electro=optical displays
09/18/1991EP0447313A1 Ferroelectric liquid crystal polymers
09/18/1991EP0446912A1 Organosilsesquioxanes with at least one mesogenic side group
09/18/1991EP0446911A1 Fluorobenzene derivatives
09/18/1991EP0446717A2 Photochromic monomers and polymers derived from them
09/17/1991US5049619 Polymeric alloys
09/17/1991US5049308 Electrooptics
09/17/1991US5049307 Process for the production of a ferromagnetic composition, ferromagnetic liquid crystal obtained by this process and apparatus using said liquid crystal
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