Patents for C09K 19 - Liquid crystal materials (21,026)
03/1992
03/03/1992US5093027 Chiral dopants for liquid crystalline mixtures
03/03/1992US5093026 Biphenylylethanes
03/03/1992US5093025 High strength and modulus; melt moldable
02/1992
02/27/1992DE4026978A1 Coated substrates for electro=optical applications, etc.
02/26/1992EP0472404A2 Liquid crystal-based composite material having enhanced microwave birefringence
02/26/1992EP0471831A1 Liquid crystalline medium.
02/26/1992EP0471813A1 4,4'-disubstituted 2',3-difluorbiphenyls and liquid crystalline medium.
02/26/1992CA2049702A1 One- or multi-layered layer elements applied to supports and their production
02/25/1992US5091557 Amino acid derivative having liquid crystal property and process for production of the same
02/25/1992US5091502 Electroconductive and liquid crystal polymers; copolymerizing with a tetramino aromatic compound; polyimines; metallization
02/25/1992US5091109 Ferroelectric; improved responsiveness
02/20/1992WO1992002930A1 Liquid crystal polymers and process for light-induced orientation of said polymers for the purpose of reversible data storage
02/20/1992WO1992002597A1 Liquid-crystal medium
02/19/1992EP0471287A1 Alkoxypropenyl derivatives
02/19/1992EP0471277A2 Silanol compounds, polymerizable monomers and polymers having mesogenic groups
02/19/1992EP0471201A1 Oxazolidinone derivatives and their use as doping agents in liquid crystal mixtures
02/19/1992EP0471046A1 Colourant
02/18/1992US5089904 Encapsulated liquid crystal material, apparatus and method
02/18/1992US5089629 From dicyclohexyl-4,4*-dione
02/18/1992US5089590 Liquid crystalline compounds, their production and their use as modifiers for polycarbonates, polyester carbonates and polyesters
02/18/1992US5089169 Liquid crystal material and display device using same
02/18/1992US5089168 Stable ferroelectric liquid crystals
02/18/1992US5088807 Liquid crystal devices
02/12/1992EP0470590A1 Fluorine-substituted compound containing ether bond
02/12/1992EP0470218A1 Low viscosity liquid crystal mixture.
02/11/1992US5087672 Fluorine-containing acrylate and methacrylate side-chain liquid crystal monomers and polymers
02/11/1992US5087387 Liquid crystals dispersed in a matrix comprising an acrylic resin having hydroxyl groups copolymerized with a diisocyanate; durability; high speed, reversible switching
02/06/1992WO1992001766A1 Ferroelectric liquid crystal compositions containing halogenated cores and chiral haloalkoxy tail units
02/06/1992WO1992001765A1 Ferroelectric liquid crystal compositions containing chiral haloalkoxy tail units
02/06/1992WO1992001764A1 Si-CONTAINING, FERROELECTRIC LIQUID CRYSTAL COPOLYMERS, A PROCESS FOR PRODUCING THE SAME, MIXTURES OF THESE COPOLYMERS WITH LOW MOLECULAR WEIGHT LIQUID CRYSTALS AND THEIR USE IN ELECTRO-OPTIC COMPONENTS
02/06/1992WO1992001763A1 Ferroelectric liquid crystal compositions containing chiral haloalkoxy tail units
02/06/1992WO1992001731A1 Liquid-crystal copolymer, production thereof, diene compound used in said production, and production of said compound
02/06/1992WO1992001728A1 Polyester based liquid-crystal display device
02/06/1992DE4107119A1 Fluessigkristallines medium Fluessigkristallines medium
02/05/1992EP0469975A1 Liquid crystal compound
02/05/1992EP0469893A1 Fluorinated pyrimidine-phenyl optically active compounds and liquid crystal compositions thereof
02/05/1992EP0469800A2 Ferroelectric liquid crystal composition and liquid crystal device comprising the same
02/05/1992EP0469492A2 Polymer modified adducts of epoxy resins and active hydrogen containing compounds containing mesogenic moieties
02/05/1992EP0469108A1 Difluoroacetonitrile derivatives
02/04/1992US5086160 Catalytically reacting a saturated aliphatic acid, a 4,4*-di-hydroxy-diphenyl or esters thereof
02/04/1992US5085799 Liquid crystal composition
02/04/1992CA2048378A1 Polymer modified adducts of epoxy resins and active hydrogen containing compounds containing mesogenic moieties
02/04/1992CA2048377A1 Curable mixtures of mesogenic epoxy resins and mesogenic polyamines and cured compositions
02/04/1992CA2048376A1 Adducts of epoxy resins and active hydrogen containing compounds containing mesogenic moieties
01/1992
01/29/1992EP0468882A1 Liquid crystal compound
01/29/1992EP0468529A2 Active matrix liquid crystal display element and a projection type active matrix liquid crystal display apparatus
01/29/1992EP0468326A2 Ferroelectric liquid crystal display
01/28/1992US5084549 Aromatic polyesters as thermoplastic molding materials
01/28/1992US5084204 Compounds for liquid crystal display elements
01/28/1992US5084203 Light transmissive liquid crystalline composite exhibiting a high Kerr effect
01/28/1992US5083855 Surface stabilized ferroelectric liquid crystal devices
01/28/1992CA1294954C Optically active naphthalene derivatives
01/23/1992DE4023285A1 Novel cyclohexanone-carboxylate derivs. - useful as intermediates for liq. crystal cpds.
01/23/1992DE4023216A1 Novel chiral oxazolidinone(s) - useful as dopants in liq. crystal mixts. with short switching times
01/23/1992DE4023107A1 Novel tri:fluoro-methoxy cyclohexane derivs. - useful in liq. crystal media for display devices
01/23/1992DE4023106A1 Novel di:fluoro:methylene cpds. - used as low viscosity components of liq. crystal media, e.g. in display devices
01/23/1992DE4023028A1 Ferroelektrische fluessigkristalline si-enthaltende copolymere, ein verfahren zu ihrer herstellung, mischungen dieser copolymere mit niedermolekularen fluessigkristallen und die verwendung in elektrooptischen bauteilen Ferroelectric fluessigkristalline si-containing copolymers, a process for their preparation, mixtures of these copolymers with low molecular weight liquid crystals and the use in electro-optical components
01/23/1992DE4023027A1 Chirale alken-aryl-2,3-epoxyalkyl-ether und ihre verwendung in fluessigkristallinen mischungen Chiral alkene-aryl-2,3-epoxyalkyl ether and their use in mixtures fluessigkristallinen
01/22/1992EP0467721A1 Optically active compound having a delta- valerolactone ring and liquid crystal composition containing same
01/22/1992EP0467662A2 Liquid crystal racemic mixture, liquid crystal composition and liquid crystal element, process for manufacturing and uses thereof
01/22/1992EP0467260A2 Mesomorphic compound and liquid crystal composition containing same for use in liquid crystal device and display apparatus
01/21/1992WO1992001685A1 Chiral alken-aryl-2,3-epoxyalkyl-ethers and their use in liquid crystal mixtures
01/21/1992US5082589 Electrooptics
01/21/1992US5082587 Achiral fluorine-containing liquid crystals
01/21/1992US5082351 Optical display
01/21/1992CA2087597A1 Chiral alkenylaryl 2,3-epoxyalkyl ethers, and the use thereof in liquid-crystalline mixtures
01/16/1992DE4022247A1 Verfahren zur extraktiven abtrennung von 2-alkylthio-5-phenylpyrimidinen aus ihren reaktionsgemischen A method for the extractive separation of 2-alkylthio-5-phenylpyrimidines from their reaction mixtures
01/15/1992EP0466573A2 Liquid crystal compositions
01/15/1992EP0466183A1 Cyclosiloxanes with mesogenic side groups
01/15/1992EP0466085A2 Thermotropic liquid crystal polyester
01/15/1992EP0465621A1 Partially fluorinated compounds.
01/15/1992EP0400098A4 Light modulating materials comprising liquid crystal microdroplets dispersed in a birefringent polymeric matrix
01/14/1992US5081221 From biphenyl-4,4'-dicarboxylic acid
01/14/1992US5080827 1,2-propanediol derivative
01/14/1992US5080467 Biphenyl derivatives for photostabilization in pulsed optical darkening apparatus and method
01/14/1992CA1294354C Liquid crystal devices
01/14/1992CA1294348C Complementary color liquid crystal display
01/13/1992WO1992000969A1 Method of separating 2-alkylthio-5-phenylpyrimidines from reaction mixtures by extraction
01/13/1992CA2087093A1 Process for the extractive removal of 2-alkylthio-5- phenylpyrimidines from their reaction mixtures
01/09/1992WO1992000366A1 Liquid crystal polyacrylates
01/09/1992CA2065000A1 Liquid crystal polyacrylates
01/08/1992EP0465344A1 Liquid crystal compounds
01/08/1992EP0465048A2 Carboxylic acid ester compound, liquid crystal compound, liquid crystal composition, liquid crystal element and light modulation method
01/08/1992EP0464728A2 Liquid crystal copolymer compound, composition thereof, and polymeric liquid crystal device making use of these
01/08/1992EP0464648A1 4-Cyano-3-fluorophenyl esters
01/08/1992EP0464176A1 Liquid crystalline medium.
01/08/1992EP0464072A1 Liquid crystal mixtures, in particular ferroelectric liquid crystal mixtures.
01/08/1992EP0321504B1 Chiral aryloxy propionic acid esters and their use as doping agent in liquid crystal phases
01/08/1992EP0283490B1 Process for the production of ethane derivatives
01/07/1992US5078910 Polimerization of liquid crystalline monomers
01/02/1992EP0317587B1 Liquid crystal phase
01/02/1992EP0300009B1 Liquid crystalline mixture
01/02/1992EP0244488B1 Anthraquinone compounds and liquid-crystal composition containing them
12/1991
12/31/1991US5077380 Mesogenic cyanate functional maleimides and thermosets thereof
12/31/1991US5077335 Optically clear silicone compositions
12/31/1991US5076962 Ferroelectric chiral smectic liquid crystal composition
12/31/1991US5076961 Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same
12/31/1991US5076947 1-phenyl-1-propanol derivative
12/27/1991EP0462578A1 Mesomorphic compound for use in liquid crystal composition and liquid crystal device and display apparatus using same
12/27/1991EP0462437A1 New light-polarising films or foils and dyestuffs for their preparation