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)
10/1990
10/23/1990US4965018 Optically active pyridylethanol derivative
10/23/1990US4964616 Useful as electrooptical materials
10/18/1990WO1990012073A1 Trifluoromethylcyclohexane derivatives
10/17/1990EP0392763A2 Polymeric alloys
10/17/1990EP0392515A1 A difluoroalkylcyclohexyl-benzonitrile derivative
10/17/1990EP0392510A1 Mesomorphic compound, liquid crystal composition and liquid crystal device using same
10/17/1990EP0392432A2 Ferroelectric liquid crystal composition
10/17/1990EP0391986A1 Display element based on the electroclinic effect.
10/17/1990EP0391956A1 Cyanohydrin derivatives and their use in liquid crystal materials and devices.
10/16/1990US4963642 Liquid crystalline polymers
10/16/1990US4963448 Transparent substrate, photochromic compound, liquid crystal
10/16/1990US4963402 Films containing liquid crystalline polymers
10/16/1990US4963288 Fluoroalkoxydiphenyl pyrimidine, liquid crystal composition and electro-optic element
10/14/1990CA2014411A1 Polymeric alloys
10/11/1990DE4007039A1 Positive dielectric, electro-optical liq. crystal system - contg. chiral dopant to control slope of characteristic graph and improve on-off contrast
10/10/1990EP0391591A2 Pyrimidine derivative and liquid crystal composition incorporating the same
10/10/1990EP0391439A1 Ferroelectric liquid crystal composition and light switching element comprising the same
10/10/1990EP0391368A1 Cholesteric liquid crystal polyester containing optically active group
10/10/1990EP0391203A2 2-Phenyl pyridins
10/09/1990US4962163 Advanced polyepoxides and epoxy resins modified by an unsaturated carboxylic acid; cured coating and films havingi improved tensile and flexural strength and modulus
10/09/1990US4962160 Side chain liquid crystalline polymers exhibiting nonlinear optical response
10/09/1990US4961876 Liquid crystalline ferroelectric derivatives of branched acyclic alpha-chlorocarboxylic acids
10/09/1990US4961875 Condensate of an optically active-4-(1-hydroxyethyl)biphenyl with an optically active organic acid
10/09/1990US4961874 Optically active tolan derivatives
10/09/1990CA1274952A1 Anisotropic compounds of cellulosic esters, processes to produce them, and fibers made of cellulose or cellulosic esters
10/06/1990CA2013901A1 Carboxylic acid ester compounds, and their related matters and method of producing the same
10/04/1990DE4004281A1 Mesogene und promesogene nichtracemische chirale verbindungen Mesogenic and non-racemic chiral compounds promesogene
10/03/1990EP0390759A1 Ferroelectric liquid crystals
10/03/1990EP0390556A2 Ferroelectric liquid crystal composition and liquid crystal device incorporating same
10/03/1990EP0390489A2 Polyalkylene arylate resin composition
10/03/1990EP0390395A2 Liquid Crystal Display Device
10/03/1990EP0390329A1 Pyrimidine derivative
10/01/1990CA2012364A1 Optically active compound and process for preparing the same
09/1990
09/29/1990WO1991003445A2 Halogenated benzene derivatives and liquid crystalline medium
09/29/1990CA2039721A1 Halogenated benzene derivatives, and a liquid-crystalline medium
09/27/1990DE3909355A1 Ferroelektrische fluessigkristalline mischungen Ferroelectric fluessigkristalline mixtures
09/27/1990DE3909354A1 Ferroelektrische fluessigkristallsysteme mit hoher spontaner polarisation und guten orientierungseigenschaften Ferroelectric fluessigkristallsysteme with high spontaneous polarization and good orientation characteristics
09/26/1990EP0388960A1 Optically active compounds and their preparation and use
09/25/1990US4959448 Liquid crystalline side-chain polyesters prepared by polycondensation reactions
09/25/1990US4959173 Optically active ester compound
09/25/1990US4959172 Liquid crystal composition containing a pleochroic azo type compound
09/25/1990US4958916 Surface stabilized ferroelectric liquid crystal devices
09/23/1990WO1990011547A1 Ferroelectric liquid crystal systems with high spontaneous polarization and good orientation properties
09/23/1990WO1990011336A1 Liquid crystal mixtures, in particular ferroelectric liquid crystal mixtures
09/23/1990WO1990011335A1 Ferroelectric liquid crystal mixtures
09/23/1990CA2049960A1 Ferroelectric liquid crystal mixtures
09/23/1990CA2049314A1 Liquid crystal mixtures, in particular ferroelectric liquid crystal mixtures
09/23/1990CA2049312A1 Ferroelectric liquid crystal systems with high spontaneous polarization and good orientation properties
09/20/1990DE4006921A1 Di:fluoro-methylene cpds. - useful as low-viscosity components of liq. crystalline media for liq. crystal and electro=optical display elements
09/20/1990DE3908269A1 5,6-Fused indane derivatives, and the use thereof as liquid-crystalline component
09/20/1990DE3904817A1 Difluoromethyl compounds
09/19/1990EP0388225A2 Optically active substance and liquid crystal composition comprising same
09/19/1990EP0388150A1 Alkenyl ether derivatives and liquid crystal composition containing the same
09/19/1990EP0388141A1 Ferroelectric liquid crystal device
09/19/1990EP0387561A2 Liquid crystal mixture and liquid crystal cell
09/19/1990EP0387315A1 Fluorinated alkoxyl compounds.
09/19/1990CN1009657B Liquid crystal materials containing biphenyl esters and devices using them
09/18/1990USRE33342 Liquid crystal aligning agent from tetracarboxylic acid dianhydride, diamine and monoamine
09/13/1990DE4005869A1 Stable electro=optical liq. crystal system - has dielectrically neutral liq. crystal and cpd. dielectrically positive liq. crystal cpd., with high flow viscosity
09/13/1990DE3907601A1 Optisch aktive, einen mesogenen rest tragende dioxolanylacryl- und dioxolanylpropionsaeureester, ein verfahren zu ihrer herstellung und ihre verwendung als dotierstoffe in fluessigkristallmischungen Optically active, mesogenic radical bearing a dioxolanylacryl- and dioxolanylpropionsaeureester, a process for their preparation and their use as dopants in fluessigkristallmischungen
09/12/1990EP0387059A2 Process of aligning liquid crystal media
09/12/1990EP0387032A1 Trifluorobenzene derivatives and liquid crystal compositions containing the same
09/12/1990EP0386576A2 Low molecular weight, discotic liquid crystal charge-transfer agent
09/12/1990EP0386198A1 Thermochromic mixtures.
09/11/1990US4956488 Dielectric anisotropic liquid crystals
09/10/1990WO1990010629A1 Optically active dioxolanylacrylic and dioxolanylpropionic acid esters containing a mesogenic residue, a process for manufacturing them and their use as doping agents in liquid crystal mixtures
09/10/1990CA2049008A1 Optically active dioxolanylacrylic and dioxolanylpropionic acid esters containing a mesogenic residue, a process for manufacturing them and their use as doping agents in liquid crystal mixtures
09/06/1990CA2007155A1 Liquid crystalline polyester siloxanes
09/05/1990EP0385692A2 Optcally active compounds
09/05/1990EP0385688A2 Ferroelectric liquid crystal composition and ferroelectric liquid crystal display device
09/05/1990EP0385471A1 Alkylene glycol derivative and liquid crystal mixture containing the same
09/05/1990EP0385329A2 Polymeric discotic liquid crystalline charge transfer complexes, their preparation and their use
09/04/1990US4954600 Ferroelectric liquid-crystalline polymer and epoxide usable to preparation of the ferroelectric liquid-crystalline polymer
09/04/1990US4954288 Acrylic ester or polysiloxane polymers
09/04/1990US4953953 Method for producing a light output
08/1990
08/29/1990EP0384432A1 Liquid crystalline compound and use thereof
08/29/1990EP0258298B1 Liquid crystal compounds containing two or more chiral centers
08/28/1990USRE33315 Wholly aromatic mesomorphic polyester amide imides and the preparation thereof
08/28/1990US4952699 Liquid-crystalline, 2,5-disubstituted, 1,3,4-thiadiazoles with extended smectic C phases
08/28/1990US4952678 Excellent photostability; solubility; used in liquid crystalline media and dying synthetic polymers or fibers
08/28/1990US4952661 And dicarboxylic aromatic acid, and optionally a hydroquinone; anisotropic
08/28/1990US4952337 Biphenyl esters and liquid crystal materials and devices containing them
08/28/1990US4952335 Ferroelectric chiral smectic liquid crystal composition
08/28/1990US4952334 Compatible blends of main chain and side chain thermotropic liquid crystal polymers
08/28/1990CA1273192A1 Liquid crystal droplets dispersed in thin films of uv- curable polymers
08/23/1990WO1990009419A1 Liquid crystal composition
08/22/1990EP0383376A1 Liquid crystal pigment, method of producing and use in coatings
08/22/1990EP0383261A2 Ferroelectric liquid crystal composition
08/22/1990EP0383177A2 Cross-linkable thermotropic liquid crystalline aromatic polyesters
08/21/1990US4950726 Curable; for display units or temperature sensors
08/21/1990US4950052 Forming barrier
08/18/1990WO1990009420A1 Liquid crystalline media containing fluorinated oligophenyls
08/18/1990CA2027557A1 Liquid crystalline media containing fluorinated oligophenyls
08/16/1990EP0382546A2 Liquid crystalline compound having negative dielectric anisotropy value
08/16/1990EP0382486A2 Liquid-crystal polyester resin composition
08/16/1990EP0381728A1 Difluoromethyl compounds.
08/14/1990US4948532 Optical devices
08/14/1990CA2009881A1 Cross-linkable thermotropic liquid crystalline aromatic polyesters
08/13/1990CA2009809A1 Liquid crystal pigment, method of producing and use in coatings
08/09/1990DE3913554A1 New bi:phenylyl:ethane cpds. - for use in liq. crystal phases having large optical anisotropy and increased stability
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