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)
05/1991
05/15/1991EP0427166A1 Ester compounds and liquid crystal compositions containing the same
05/15/1991EP0426815A1 Fluorinated biphenyl derivatives.
05/15/1991EP0426700A1 Ferroelectric liquid crystal polymers, process for producing the same and their use in electro-optical components.
05/15/1991CN1051431A Color liquid crystal display
05/14/1991US5015721 Thermotropic liquid-crystalline aromatic, polyesters
05/08/1991EP0426291A2 Colour liquid crystal display
05/08/1991EP0425624A1 Fluorinated cyclohexyl derivatives
05/08/1991EP0425622A1 Mesogenic compounds.
05/08/1991DE4034508A1 Phenyl-cyclohexane(s) with terminal 2,2-di:fluorovinyl gps. - useful as components of liq. crystal media for electro-optical displays
05/07/1991US5013819 Liquid-crystalline, thermotropic aromatic polyesters
05/07/1991US5013479 Optically active ether derivatives, preparation process therefor, liquid crystal materials and an optical switching element
05/07/1991US5013478 Liquid crystals
05/07/1991US5013477 Alkenylbicyclohexane liquid crystals
05/07/1991US5013476 Ferroelectric properties, electro-optical indicating device
05/07/1991US5013475 Optically active ester compound and liquid crystal composition containing the same
05/07/1991US5013474 Liquid crystal display device
05/02/1991WO1991005780A1 1,3-dioxane derivative and liquid-crystal composition containing the same
05/02/1991EP0425366A2 Liquid crystal compound
05/02/1991EP0425344A2 Light polarizing materials and suspensions thereof
05/02/1991EP0424959A2 Organosilylalkyl-aromatic compounds
05/02/1991DE4034590A1 Electro-optical LC system
05/02/1991DE3936307A1 Electro-optical LC system
05/01/1991CA2028705A1 Color liquid crystal display
04/1991
04/30/1991US5011624 Acrylate polymer-dispersed liquid crystal material and device made therefrom
04/30/1991US5011623 Laser light source
04/30/1991US5011270 Liquid crystal electro-optical device and manufacturing method therefor
04/30/1991CA1283728C Liquid crystal color display and method
04/25/1991DE3935106A1 Nematic medium for liq. crystal displays - comprises mixt. of liq. crystalline component with min. dielectric anisotropy and pyridin-5-yl trans-substd. cyclohexane-carboxylate
04/24/1991EP0423956A1 Method for producing charge transfer complex crystals from the vapor phase
04/24/1991EP0423926A1 Difluorobenzonitrile derivatives
04/24/1991EP0423881A1 Liquid-crystal display device
04/24/1991EP0423880A1 Molecularly oriented synthetic resin composition
04/24/1991EP0423520A2 Liquid crystalline composition for the use in a twisted nematic cell
04/24/1991EP0423311A1 Wholly aromatic polyester fiber-reinforced high performance thermoplastic and process for preparing same.
04/24/1991EP0423293A1 Decorative composition.
04/24/1991EP0423179A1 Ferroelectric liquid-crystal polymers, process for producing same and their use in electro-optical components.
04/23/1991US5009891 Brewing extract plant seeds, vegetable grains and germs or rice bran; oil
04/18/1991WO1991003445A3 Halogenated benzene derivatives and liquid crystalline medium
04/17/1991EP0422996A2 Liquid crystal compound
04/17/1991EP0422958A1 Dicyclohexylethylene derivatives
04/17/1991EP0422613A2 Liquid crystal device
04/17/1991EP0422535A1 Polymerisable perylene-3,4,9,10-tetracarboxylic diimides and polymeric products thereof
04/16/1991US5007942 Uniform polarizing performance of the filter over the entire spectral range
04/11/1991DE3934328A1 Super-twist liq. crystal displays having wide working temp. range - contain nematic liq. crystal mixt. with specified range of properties
04/10/1991EP0421438A2 Ferroelectric liquid crystal device
04/10/1991EP0421435A2 Ultrathin membrane of polymethacrylate or polycrotonate and device provided with ultrathin membrane
04/10/1991EP0421240A2 Liquid crystal display element
04/10/1991EP0421012A1 Ferroelectric liquid crystal composition
04/09/1991US5006631 Aromatic polyester carbonate from diphenol mixture
04/09/1991US5006403 Composites; tensile and impact strength, heat resistance, modulus, elongation
04/09/1991US5006402 Mixing melt, extrusion; tensile and impact strength, heat resistance
04/09/1991US5006276 Dichroic dyes combination; stability at low temperature; light resistance
04/04/1991WO1991004249A1 Pyridine derivatives and a liquid crystal medium
04/04/1991WO1991004248A1 Pyridine derivatives
04/04/1991WO1991002710A3 Benzol derivatives and liquid crystalline medium
04/03/1991WO1991005029A1 Electro-optical liquid crystal system
04/03/1991EP0211030B1 Ferro-electric smectic liquid crystal materials based on terpenoid derivatives
04/03/1991CA2042603A1 Electrooptical liquid crystal system
04/02/1991US5004323 Extended temperature range polymer dispersed liquid crystal light shutters
03/1991
03/27/1991EP0418986A2 Process for absorbing a lipophilic soil from a surface into a liquid crystal detergent composition
03/27/1991EP0418922A2 Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same
03/27/1991EP0418604A1 Liquid crystal compound
03/27/1991EP0418362A1 Trifluoromethylcyclohexane derivatives.
03/26/1991US5002701 Iodine and Halide Complex of a Pyrazinedicarboxylic Acid
03/26/1991US5002694 Liquid crystals with ferroelectric properties
03/26/1991US5002693 Novel optically active benzene derivatives, process for producing the same and liquid-crystalline substances containing said derivatives as active ingredient and optical switching elements
03/26/1991US5002692 Amide liquid crystal compounds: mixtures and devices using them
03/26/1991US5002361 Polymeric thin film waveguide media
03/21/1991WO1991003468A1 Difluorobenzonitriles and liquid-crystal medium
03/21/1991WO1991003450A1 Fluorobenzole derivatives and mesomorphous medium
03/21/1991WO1991003447A1 Difluorobenzonitriles and liquid-crystal medium
03/21/1991DE4002609A1 New di:fluoro-benzonitrile cpds. contg. pyrimidin-di:yl gp. - used in liquid crystal medium esp. for electro=optical display with good low temp. properties
03/20/1991EP0418140A1 Chiral liquid crystal derivatives of biphenyl
03/20/1991EP0417794A2 Liquid crystal display device
03/20/1991EP0417651A2 Thermotropic aromatic polyester
03/19/1991US5001209 Non-linear optical active diols and polyurethanes prepared therefrom
03/19/1991CA2021079A1 Insulator structure for amorphous silicon thin-film transistors
03/14/1991DE4027869A1 Di:fluorophenyl iso:thiocyanate(s) useful components of liq crystal me - obtd. from corresp. 4-unsubstituted phenyl deriv. e.g. di:fluoro:benzaldehyde by coupling reactions
03/13/1991EP0416946A2 Optically active naphthalene derivative, process for preparation thereof, liquid crystal composition containing the same as effective component, and liquid crystal element using the same
03/13/1991EP0416936A2 Liquid crystal display device
03/13/1991EP0416597A2 Liquid crystal display device
03/13/1991EP0416117A1 Liquid crystal composition
03/13/1991EP0290591B1 Materials with nitrogenous six-membered rings
03/12/1991US4999401 Electro-optical Laminates
03/12/1991US4999130 Optically active compound, process for producing same and liquid crystal composition containing same
03/07/1991WO1991002780A1 2,5-disubstituted heterocycles and mesomorphous medium
03/07/1991WO1991002779A1 Liquid crystalline medium
03/07/1991WO1991002726A1 5-oxy-2-phenylazines and mesomorphous medium
03/07/1991WO1991002722A1 5-oxy-2-phenylpyridines and liquid-crystal materials
03/07/1991WO1991002710A2 Benzol derivatives and liquid crystalline medium
03/07/1991WO1991002709A1 Phenylcyclohexanes and liquid crystal medium
03/07/1991WO1991002645A1 Vessel construction
03/07/1991DE4027923A1 Phenylcyclohexane und fluessigkristallines medium Phenylcyclohexanes and fluessigkristallines medium
03/07/1991DE4027840A1 Fluorbenzolderivate und fluessigkristallines medium Fluorobenzene derivatives and fluessigkristallines medium
03/07/1991DE4027315A1 Halogenierte benzolderivate und fluessigkristallines medium Halogenated benzene derivatives and fluessigkristallines medium
03/07/1991DE4001022A1 New di:fluoro-benzonitrile cpds. for use in liq. crystal medium - having large dielectric anisotropy and low viscosity
03/07/1991DE3929419A1 New 1,3,4-thiadiazole cpds. for use in liq. crystal medium - having large negative dielectric anisotropy and low m.pt. and viscosity
03/07/1991DE3928819A1 New phenyl-cyclohexane cpds. for use in liq. crystal medium - having high positive dielectric anisotropy and low viscosity
03/06/1991EP0415833A2 Optically active fluorine-containing alcohol compounds and liquid crystal compounds therefrom
03/06/1991EP0415256A2 Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same
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