Patents for C09K 19 - Liquid crystal materials (21,026)
03/1990
03/28/1990EP0360042A1 p-Terphenyl derivatives and liquid crystalline compositions
03/28/1990EP0359801A1 Acrylate polymer-dispersed liquid crystal material and devices made therefrom.
03/28/1990EP0202341B1 Dichroic azo dyes
03/27/1990US4911863 Ferroelectric; mixture of compounds containing aromatic ester
03/27/1990US4911862 Aromatic carboxylic ester
03/27/1990US4911861 Mixture of at least two components
03/21/1990EP0359146A2 Liquid crystal device
03/21/1990EP0359120A2 Thermotropic polyesters based on adipic acid
03/21/1990EP0359038A2 Liquid crystalline polycondensates with a high thermal stability, process for making them and their use in producing moulded articles, films, fibres and filaments
03/21/1990EP0358741A1 Derivatives of 2,3-difluorobenzoic acid.
03/20/1990US4910350 Containing a 4-fluorophenyl substitution
03/20/1990US4910284 Aromatic polyester
03/20/1990US4909957 Containing lactone ring structure
03/20/1990US4909605 Liquid crystal display device
03/14/1990EP0358208A2 Liquid crystal polyorganosiloxanes containing (meth)acryloxy groups
03/14/1990EP0357850A1 Polymer composition, capable of forming a chiral nematic mesophase
03/14/1990EP0357844A1 Thermochromic effect coating
03/14/1990EP0357739A1 Chiral derivatives of 1,2-difluorobenzene
03/14/1990EP0357727A1 2,3-difluorobenzene derivatives and their use as components of liquid crystal media.
03/14/1990EP0357702A1 Fluorinated oligophenyl derivatives.
03/14/1990EP0210215B1 Fluorinated phenyl esters and liquid crystal materials and devices containing them
03/13/1990US4908442 May have metal complexed therein
03/13/1990US4908152 Cyclohexane derivative
03/13/1990CA1266677A1 Liquid crystalline materials and optical displays utilizing same
03/08/1990WO1990002161A1 Thermochromic mixtures
03/08/1990WO1990002054A1 Decoration of substrates
03/08/1990DE3827046A1 Non-calamitic acetylene compounds
03/07/1990EP0357435A2 Optically active aromatic compounds, preparation process therefor, liquid crystal materials and a light switching element
03/07/1990EP0357372A2 Optically active ester derivatives, preparation process thereof, liquid crystal materials and a light switching element
03/07/1990EP0357234A2 Encapsulated liquid crystal apparatus with a polymer additive
03/07/1990EP0356672A1 Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same
03/07/1990CN1040213A Light modulating materials comprising liquid crystal microdroplets dispersed in birefringent polymeric matrix
03/06/1990US4906752 Liquid-crystal 5-phenylpyrimidine derivatives having sc or sc* phases and a process for preparing them
03/06/1990US4906724 High modulus polyester from 4,4'-diphenyldicarboxylic acid
03/06/1990US4906402 Liquid crystal material
03/06/1990US4906401 Use of liquid-crystal 5-phenylpyrimidine derivatives as components of smectic liquid-crystal mixtures
03/06/1990US4906400 Smetic liquid crystal compound
03/06/1990US4906074 FLC liquid crystal electro-optical device having microdomains within pixels
02/1990
02/28/1990EP0355830A2 Liquid crystal composition and use thereof
02/28/1990EP0355772A2 Liquid-crystalline copolymer
02/28/1990EP0355561A1 Use of optically active tetrahydrofuran-2-carboxylic-acid esters in doping liquid-crystal mixtures, liquid-crystal mixtures containing them, and optically active tetrahydrofuran-2-carboxylic-acid esters
02/28/1990EP0355552A2 Alkoxymethyl- and alkenyloxymethyl-cyclohexanes
02/28/1990EP0355374A2 Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same
02/28/1990EP0355314A2 Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same
02/28/1990EP0355313A2 Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same
02/28/1990CN1040024A 2,3-difluorophenol derivatives
02/27/1990US4904755 Low birefringent polyesters in optical devices
02/27/1990US4904752 Liquid crystal copolyester having blocked molecular chain terminal
02/27/1990US4904410 Mesomorphic compound and liquid crystal composition containing same
02/27/1990US4904409 Liquid crystal has high twistability
02/27/1990US4904066 Electro-optical devices using liquid crystal polymers
02/27/1990US4904065 Liquid crystal optical element and method of producing the same using ferroelectric polymer liquid crystal
02/22/1990WO1990001526A1 Liquid crystal display devices and liquid crystal medium to be used therein
02/22/1990WO1990001505A1 FERROELECTRIC LIQUID-CRYSTAL POLYMERS CONTAINING Si, PROCESS FOR PRODUCING THE SAME AND THEIR USE IN ELECTRO-OPTICAL ELEMENTS
02/21/1990EP0355008A2 Organosilylalkyl or -alkenyl compounds, process for their preparation and their use in liquid-crystal mixtures
02/21/1990EP0354940A1 Improved liquid crystal mixture
02/21/1990CN1039797A Difluoromethyl compounds
02/20/1990CA1265921A1 Liquid crystalline polymer substrates with orthogonal molecular orientation
02/15/1990DE3926190A1 New 5-(alkylcyclohexyl)-2-alkyl-cyclohexyl phenyl)-pyrimidine cpds. - useful liq. crystal components e.g. for electro=optical displays
02/15/1990DE3921810A1 Kristallin-fluessige nematische gemische Crystalline nematic liquid mixtures
02/15/1990DE3921809A1 Niedermolekulare glasbildende verbindungen und ihre verwendung Low molecular glass-forming compounds and their use
02/15/1990DE3827601A1 Ferroelektrische fluessigkristalline si-enthaltende polymere Ferroelectric fluessigkristalline si-containing polymeric
02/15/1990DE3827351A1 Mechanical construction element
02/14/1990EP0354753A2 Liquid crystal materials
02/14/1990EP0354655A2 1-Phenyl-1-propanol derivatives
02/14/1990EP0354434A2 Process for the preparation of rod-like compounds
02/14/1990EP0354355A1 Optically active compound and liquid crystal composition
02/14/1990EP0354347A2 Liquid crystal compounds,their manufacture as modifiers for polycarbonates,polyestercarbonates and polyesters
02/13/1990US4900473 Quick response
02/13/1990US4900472 2,5-diphenyl pyrimidine compounds and liquid crystal compositions
02/08/1990WO1990001056A1 Difluoromethyl compounds
02/08/1990WO1990001021A1 Fluorinated alkoxyl compounds
02/08/1990DE3821855A1 Machine component containing a liquid-crystal mass
02/07/1990EP0354077A1 Non-centrally symmetric liquid crystals for non-linear optics
02/07/1990EP0353760A2 Liquid crystal elements and conductive organic compound film-forming compositions
02/07/1990EP0353708A2 Ferroelectric liquid crystal composition
02/06/1990US4898455 Pyridine liquid crystalline compounds
02/06/1990US4898454 Compactness, efficiency
02/06/1990CA1265642A1 Side chain liquid crystalline polymers exhibiting nonlinear optical response
01/1990
01/31/1990EP0352637A2 Ferroelectric liquid crystal composition, liquid crystal optical device produced by using the ferroelectric liquid crystal composition, and method of producing the liquid crystal optical device
01/31/1990EP0352480A2 Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same
01/31/1990EP0352479A2 Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same
01/30/1990US4897216 Liquid crystals
01/25/1990WO1990000587A1 Novel ferroelectric liquid-crystal polymers, process for producing said polymers and their use in electro-optical components
01/25/1990WO1990000586A1 Ferroelectric liquid-crystal polymers, process for producing same and their use in electro-optical components
01/25/1990WO1990000585A1 Ferroelectric liquid crystal polymers, process for producing the same and their use in electro-optical components
01/25/1990WO1990000584A1 Ferroelectric, liquid crystal polymers, process for producing the same and their use in electro-optic components
01/24/1990EP0352054A2 Liquid crystal compound
01/24/1990EP0351846A2 Phenylbicyclohexanol ester derivative
01/24/1990EP0351832A2 Nonlinear optical material and nonlinear optical device
01/24/1990EP0351822A2 Tricyclic cyclohexenyl cyclohexane derivative
01/24/1990EP0351796A2 Aromatic polyester carbonate and process for producing same
01/24/1990EP0351782A2 Optically active compounds liquid crystal composition containing said compound, and liquid crystal optical modulator using said composition
01/24/1990EP0351746A1 Optically active 1,3-dioxolane derivatives containing a mesogene group in position 4, method for their preparation and their use as doping agents in liquid-crystal mixtures
01/24/1990EP0351587A2 Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same
01/24/1990EP0224579B1 Smectic liquid crystalline phases
01/24/1990CN1039019A Liquid crystal cyclicpropylalkyl or alkenyl heterocyclic compounds, process for preparing same and use in liquid crystal compostion
01/23/1990US4896292 Apparatus for the reversible, optical storage of data
01/23/1990US4895986 2,2'-difluoro-4-alkoxy-4'-hydroxydiphenyls and their derivatives, their production process and their use in liquid crystal display devices
01/23/1990US4895672 Tolan compound and liquid crystal composition containing the same