Patents for C09K 19 - Liquid crystal materials (21,026)
10/1994
10/13/1994WO1994022977A1 Liquid crystal polymers
10/13/1994WO1994022976A1 Optical material
10/13/1994DE4411806A1 Liquid-crystalline medium
10/12/1994EP0619360A1 Electrooptical material based on polymer-dispersed liquid crystal, process for manufacturing by chemical modification of the interface and device based on this material
10/12/1994EP0618914A1 Oxiranyl methyl ethers exhibiting chirality, and their use as dopants in liquid-crystal mixtures
10/12/1994EP0425622B1 Mesogenic compounds
10/11/1994US5354503 For multiplexed liquid crystal displays utilizing supertwisted birefringence effect
10/11/1994US5354502 Very large dielectric anisotropy and small birefringence
10/11/1994US5354501 Improved response and helical pitch
10/11/1994US5354500 Optically active carboxylic esters of oxygen-containing heterocycles as doping substances in liquid crystal mixtures and liquid crystal mixtures containing them
10/11/1994US5354498 An additional copolymers of a liquid crystal vinyl monomer and non-liquid crystal monomer; displaying, optical shutters
10/11/1994US5354489 Method for changing the viscosity of a fluid comprising a liquid crystal compound
10/06/1994DE4410606A1 Cyanopyrimidine derivatives, and liquid-crystalline medium
10/06/1994DE4409431A1 Cyanophenylpyri(mi)dine derivatives, and liquid-crystalline medium
10/05/1994EP0617730A1 Thermochromic effect pigment and process for producing the same.
10/05/1994CN1026064C Preparation of active oxygen inhibiting composition
10/04/1994US5353136 Ferroelectric liquid crystal with positive dielectric anisotropy, chevron structure and grey scale
10/04/1994US5352746 Liquid crystal polyester resin composition improved in fluidity
10/04/1994US5352382 Antiferroelectric, low melting
10/04/1994US5352381 High birefringence
10/04/1994US5352380 Ferroelectric liquid-crystalline polymers, a process for their preparation and their use in electrooptical components
10/04/1994US5352379 Liquid crystal composition, liquid crystal element and process for the preparation of liquid crystal element
09/1994
09/29/1994WO1994021747A1 1,2,2,2-tetrafluoroethylethers and liquid crystal medium
09/28/1994EP0617111A1 Optically anisotropic material, process for producing it, and retardation plate and liquid crystal display device using same
09/28/1994EP0617110A1 Liquid crystal monomer compound and polymer obtained therefrom
09/28/1994EP0617109A1 Liquid crystal material, liquid crystal composition and liquid crystal element
09/27/1994US5350873 Optically active phenoxypropionic esters
09/27/1994US5350539 Alignment treating agent for liquid crystal cell
09/27/1994US5350538 High polymer, ferroelectric liquid-crystalline composition containing the high polymer and raw material of the high polymer
09/27/1994US5350537 Liquid crystal display device
09/27/1994US5350535 Halogenated compounds
09/27/1994CA1332200C Non-linear optical active diols and polyurethanes prepared therefrom
09/26/1994CA2119484A1 Optically anisotropic material, process for producing it, and retardation plate and liquid crystal display device using same
09/21/1994EP0615630A1 Liquid crystalline material
09/21/1994EP0394419B1 Matrix liquid crystal display
09/20/1994US5348990 Low dielectric materials
09/20/1994US5348688 Liquid crystal and organic dye
09/20/1994US5348685 Ferroelectric liquid crystal composition
09/20/1994US5348684 Organosilylalkyl or organosilylalkenyl compounds, process for preparing them and their use in liquid-crystalline mixtures
09/20/1994US5348677 Electro-optical liquid crystal display element
09/20/1994CA1332092C Process for preparing polyurethanes
09/15/1994WO1994020589A2 Highly soluble, conductive, luminescent polyphenylene vinylenes, and products and uses thereof
09/15/1994WO1994020443A1 Dicyclohexylethylene derivative
09/15/1994DE4307049A1 Discotic liquid crystals
09/15/1994CA2156621A1 Highly soluble, conductive, luminscent polyphenylene vinylenes, and products and uses thereof
09/14/1994EP0615234A2 Infrared-sensitive liquid-crystalline polyesters suitable for use in optical data storage, processes for the preparation of same, and an apparatus containing an infrared-sensitive liquid-crystalline polyester
09/14/1994EP0615152A1 Method of preparing materials having good non-linear optical properties
09/13/1994USRE34726 Ferroelectric liquid crystal compositions containing chiral haloalkoxy tail units
09/13/1994US5346648 Having an amide linkage
09/13/1994US5346647 Cyclohexane compounds used in liquid crystalline mixtures
09/13/1994US5346646 Tetralin compound, liquid crystal material, liquid crystal composition and liquid crystal element
09/08/1994DE4306570A1 Ferroelectric liquid-crystalline media, and the use thereof in electro-optic displays
09/07/1994EP0428542B1 FERROELECTRIC LIQUID-CRYSTAL POLYMERS CONTAINING Si, PROCESS FOR PRODUCING THE SAME AND THEIR USE IN ELECTRO-OPTICAL ELEMENTS
09/07/1994CN1025893C Liquid crystal electro-optical device
09/06/1994US5345322 Complementary color liquid crystal display
09/06/1994US5344898 Curable composition with stilbene groups and molecular orientation
09/06/1994US5344587 Nitriles
09/06/1994US5344586 Thioester (-COS-) linkage, high speed response
09/06/1994US5344585 Use of 4-fluoropyrimidine derivatives as component for ferroelectric liquid crystal mixtures
09/01/1994WO1994012556A3 Thermosettable composition containing discotic mesogenic moieties
08/1994
08/31/1994EP0612827A1 Process for manufacturing composite materials based on polymers and liquid crystals with dichroic dyes
08/31/1994EP0400098B1 Light modulating materials comprising liquid crystal microdroplets dispersed in a birefringent polymeric matrix
08/31/1994CN1091458A Polymers as alignment layer
08/30/1994US5342904 Polymer modified adducts of epoxy resins and active hydrogen containing compounds containing mesogenic moieties
08/30/1994US5342546 1,4-substituted dihydrobenzene derivatives
08/30/1994US5342544 Including at least one 4-alkyl- or 4-alkoxybenzoic acid and at least one aromatic nitrile
08/30/1994CA1331761C Substituted naphthalene compounds and liquid crystal compositions containing same
08/25/1994DE4305142A1 Liquid-crystalline medium
08/25/1994DE4234585C1 Fluorinated trifluoromethoxybenzenes
08/24/1994EP0611815A1 Mesomorphic compounds, liquid crystal composition, liquid crystal device, display apparatus and display method
08/24/1994EP0611786A1 Orientation layer for liquid crystals
08/24/1994EP0257048B1 Optically active compounds
08/23/1994US5340911 High impact and tensile strength
08/23/1994US5340498 High speed response
08/23/1994US5340497 Fluorophenylpyrimidines
08/18/1994WO1994018583A1 Liquid crystal polymer film, laminated sheet for optical element which uses the film, and optical element comprising the sheet
08/18/1994WO1994018285A1 Indan derivates
08/18/1994WO1994018262A1 Polymer and porous structure
08/17/1994EP0611119A2 Optically active compound, liquid crystal composition containing same, liquid crystal device, display apparatus and display method
08/16/1994US5338828 Mesogenic cyclic imino ether-containing compositions and polymerization products thereof
08/16/1994US5338484 Optically active benzene derivatives, process for producing the same and liquid-crystalline substances containing said derivatives as active ingredient and optical switching elements
08/16/1994US5338483 Anisotropic compounds having nematic phase and liquid crystal mixtures
08/16/1994US5338482 Tetrahydrofuran derivatives
08/16/1994US5338481 Asymmetrical nonpolar diphenyl-diacetylene liquid crystals eutectic mixtures
08/10/1994EP0609566A1 A liquid crystal composition
08/10/1994EP0462156B1 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
08/09/1994US5336436 Quick response
08/09/1994US5336435 High polymer and ferroelectric liquid crystal composition utilizing same
08/04/1994DE4402572A1 Flüssigkristallsiloxane Flüssigkristallsiloxane
08/03/1994EP0608991A1 Liquid crystalline polyesters
08/03/1994EP0608969A1 Encapsulated liquid crystal apparatus with a polymer additive
08/03/1994EP0608924A1 Homeotropically oriented liquid crystalline polymer film comprising dichroic dye
08/03/1994EP0608600A1 Cosmetic composition
08/03/1994EP0441940B1 Phenylcyclohexanes and liquid crystal medium
08/03/1994EP0441922B1 Difluorobenzonitriles and liquid-crystal medium
08/03/1994EP0233267B1 Smectic crystal phases
08/02/1994US5335101 Method of making liquid crystal material including polymerizing dispersion of prepolymer and liquid crystal which is immiscible in the prepolymer
08/02/1994US5334730 Amidation with an 2-aminocarboxylic acid ester, cleavage the amide bond, solvent extraction to isolate
08/02/1994US5334695 Thermotropic copolyester, process for preparing it and use thereof in the preparation of vulcanized rubbers
08/02/1994US5334328 Chiral azetidinone derivatives, and their use as dopes in liquid-crystal mixtures