Patents for C09K 19 - Liquid crystal materials (21,026)
02/1988
02/23/1988US4726911 Heterocyclic compounds
02/23/1988US4726910 Tolan-type nematic liquid crystalline compounds
02/17/1988EP0255962A2 Optically active mesomorphic compound
02/17/1988EP0255956A2 P-Type liquid crystal composition
02/16/1988US4725688 Phenylpyrimidine derivatives; ferroelectric smectic high-speed response over broad temperature range
02/16/1988US4725460 Optical filter and the method of preparing the same
02/11/1988WO1988000940A2 Hexasubstituted cyclohexane compounds
02/11/1988WO1987007890A3 Chiral liquid crystal compounds
02/11/1988WO1987005291A3 Liquid crystal compounds, mixtures and devices
02/11/1988DE3625713A1 Hexasubstituierte cyclohexanverbindungen Hexasubstituted cyclohexane
02/10/1988EP0255700A2 A tolan derivative and a liquid crystal mixture containing the same
02/09/1988US4724259 Azo dyes and liquid-crystalline materials containing these dyes
02/09/1988US4724097 Liquid crystals
02/09/1988US4723839 Liquid crystal light valve
02/03/1988EP0255236A2 Fluorine-containing chiral smectic liquid crystals
02/03/1988EP0255219A2 Omega-substituted, optically active 2-alkanol ester derivatives
02/02/1988US4723018 Used in ferroelectric liquid crystal displays
02/02/1988US4723005 Containing polarized cyano or halogen substituents
02/02/1988US4722804 Liquid crystal composition
01/1988
01/28/1988WO1988000606A1 Liquid crystal polymer
01/28/1988WO1987005012A3 Liquid crystal compounds, mixtures and devices
01/28/1988DE3625154A1 Process for producing an organic semiconductor
01/27/1988EP0254060A2 Photoconductive films
01/26/1988US4721779 Electrooptical apparatus
01/26/1988US4721367 Aromatic esters of pyrazine
01/20/1988EP0253408A1 Nematic methyltolans
01/20/1988EP0253172A1 Prepolymer having terminal NCO-groups, preparation thereof and use for the preparation of polyurethanes
01/20/1988EP0252961A1 Heterocyclic compounds as components of liquid crystal phases.
01/20/1988EP0252925A1 Liquid crystal compounds
01/14/1988WO1988000227A2 Polymerizable liquid crystal materials and polymers displaying liquid crystal phases
01/14/1988WO1987007266A3 Cyclohexane derivates
01/14/1988WO1987005017A3 Optically active compounds
01/14/1988WO1987005013A3 Smectic liquid crystal phases
01/14/1988WO1987005011A3 Smectic liquid crystal phases
01/13/1988EP0252359A2 Process for the fabrication of polymer networks with upperstructures, the corresponding polymer networks, and their use
01/13/1988EP0252358A2 Liquid-crystalline diglycidyl compounds, their preparation and use in curable epoxide mixtures
01/13/1988EP0169327B1 Phenylisothiocyanates
01/12/1988US4719032 Cyclohexane derivatives
01/07/1988EP0251688A2 Cholesteric liquid crystal polyesters
01/07/1988EP0251639A1 Liquid crystal cell
01/07/1988EP0251629A1 Fluorescent colored encapsulated liquid crystal apparatus using enhanced scattering
01/07/1988EP0251335A2 Halogenen-substituted phenyl benzyl ether derivatives, liquid crystal compositions containing them and optical switching element
01/07/1988EP0251116A2 Wholly aromatic mesomorphic polyesters, their preparation and their use
01/07/1988EP0251113A1 Wholly aromatic mesomorphic polyesters, their fabrication and use
01/07/1988EP0250961A2 Chiral esters of alpha-substituted phenylalkylic acids and mesogeneous hydroxyl compounds, and their use as dopants in liquid-crystal phases
01/07/1988EP0250505A1 Liquid crystal isothiocyanate derivatives.
01/07/1988DE3621581A1 Polymerisierbare fluessigkristallmaterialien Polymerizable fluessigkristallmaterialien
01/05/1988US4717757 Mesomorphic side-chain polymers having high dielectric anisotropy and a method for producing said polymers
12/1987
12/30/1987WO1987007890A2 Chiral liquid crystal compounds
12/29/1987US4715984 Dielectrics for electrooptical display
12/23/1987EP0249933A1 Novel optically active tolan derivatives and process for preparing same
12/23/1987EP0249881A1 Liquid crystal aligning agent
12/23/1987EP0249662A1 Process for producing three-dimensionally crosslinked polyester having the liquid crystal structure
12/22/1987US4714775 Liquid crystals
12/16/1987EP0249081A1 Transhexahydroterephtalic acid ester derivatives
12/16/1987EP0248861A1 Dispirotetradecane.
12/15/1987US4713468 Low viscosity
12/15/1987US4713197 Nitrogen-containing heterocyclic compounds
12/15/1987US4713196 Polymer compositions exhibiting liquid-crystalline phases
12/10/1987DE3618213A1 Chiral esters of alpha -substituted carboxylic acids with mesogenic hydroxyl compounds, and their use as doping substance in liquid-crystalline phases
12/09/1987EP0248335A2 Chiral esters of alpha-substituted carboxylic acids and mesogeneous pyrimidine-5-yl-phenols, and their use as dopants in liquid-crystal phases
12/08/1987CA1230129A1 Diacetylenes having liquid crystal phases
12/03/1987WO1987007290A1 Smectic liquid crystal phases containing bicyclooctane esters
12/03/1987WO1987007266A2 Cyclohexane derivates
12/03/1987WO1987006577A3 Optically active naphthalene compounds and liquid crystal compositions containing them
12/02/1987EP0247804A2 2-(Alkyloxycarbonyloxyphenyl)-5-alkylpyridine and composition containing same
12/02/1987EP0247466A2 Liquid-crystal derivatives of phenyl benzoate
12/02/1987CN87102792A Improvements to liquid crystal light-modulating materials
12/01/1987US4710585 Broad temperature range; stability
12/01/1987US4710547 Process for producing three-dimensionally crosslinked polyester having the liquid crystal structure
12/01/1987US4710315 Anisotropic compounds and liquid crystal mixtures therewith
11/1987
11/26/1987DE3715029A1 Kristallin-fluessige verbindungen fuer gemische mit negativer dielektrischer anisotropie und verfahren zur herstellung der eingesetzten verbindungen Liquid crystalline compounds for mixtures with negative dielectric anisotropy and process for making the compounds used
11/26/1987DE3617434A1 Smektische fluessigkristalline phasen enthaltend bicyclooctanester Smectic phases containing fluessigkristalline bicyclooctanester
11/26/1987DE3617431A1 Cyclohexanderivate Cyclohexane
11/24/1987US4709030 4-alkenyl or 2z-alkenyl polyphenyl compounds; electro-optics
11/24/1987US4709005 Thermotropic aromatic polyesters
11/24/1987US4708441 Esters
11/17/1987US4707296 Alkoxyethoxybenzoic acid ester derivatives
11/17/1987US4707295 Liquid crystals, displays
11/17/1987US4707080 Encapsulated liquid crystal material, apparatus and method
11/11/1987EP0244939A1 Halogen-containing pyridine compound and liquid crystal composition
11/11/1987EP0244488A1 Anthraquinone compounds and liquid-crystal composition containing them
11/10/1987US4705905 Tolan-type nematic liquid crystalline compounds
11/10/1987US4705874 Synthesis of new liquid crystal materials possessing phenylbenzoate or biphenyl core units and (2,3)-epoxyalkyloxiranemethanol chiral tails
11/10/1987US4705870 Tolan-type nematic liquid crystalline compounds
11/05/1987WO1987006602A1 Smectic liquid crystal phases
11/05/1987WO1987006593A1 Anisotropic polymer materials
11/05/1987WO1987006577A2 Optically active naphthalene compounds and liquid crystal compositions containing them
11/05/1987WO1987004705A3 Liquid crystal compounds containing two or more chiral centers
11/04/1987EP0244288A1 Mesomorphic polymeric material for use in non-linear optics
11/04/1987EP0244129A2 Optically active compound and liquid crystalline composition
11/04/1987EP0244051A2 Non-linear optical elements and compounds therefor
11/04/1987CN87101652A Optically anisotropic melt forming aromatic copolyesters based on t-butylhydroquinone
11/03/1987US4704228 Liquid-crystalline compounds
11/03/1987US4704227 Derivatives of 1,3-dioxane
11/03/1987US4704005 Dicyano compounds
10/1987
10/29/1987DE3613993A1 Anisotrope polymermaterialien Anisotropic polymer materials
10/28/1987EP0243209A2 3-Substituted biphenyl compound
10/28/1987EP0242987A2 Resin composition which exhibits anisotropism when melted
10/28/1987EP0242959A2 Optically anisotropic melt forming aromatic copolyesters based on t-butylhydroquinone