Patents for C09K 19 - Liquid crystal materials (21,026)
10/1992
10/01/1992WO1992016483A1 Methylene cyclobutane derivates
10/01/1992DE4127450A1 New liq. crystal and cyclohexyl-cyclohexyl di:fluoro:benzene and phenol cpds.
09/1992
09/30/1992EP0506176A1 Light-scattering element
09/30/1992EP0505448A1 Light modulating material comprising polymer dispersed liquid crystals.
09/29/1992US5151516 Unsaturated monomers
09/29/1992US5151488 Liquid crystal polymers containing a repeating bisoxazole structure
09/29/1992US5151481 Thermochromism
09/29/1992US5151458 Highly fluid polyarylene sulphide moulding compounds
09/29/1992US5151214 A pair of substrates with an orientation controlling layer and a liquid crystal layer
09/29/1992US5151213 Fluorine-containing aromatic compounds
09/27/1992WO1992017220A1 Method and device for filtering plasma
09/23/1992WO1992016195A1 Novel encapsulated materials
09/23/1992EP0504660A2 Liquid crystal compounds
09/23/1992EP0290570B1 Chiral or achiral cyclic compounds
09/22/1992US5149757 Process to synthesize liquid crystalline polyesters
09/22/1992US5149462 Used as ferroelectric liquid crystal
09/22/1992US5149461 Ferroelectric liquid crystal composition
09/17/1992WO1992015919A1 Liquid crystal aligning agent and aligning agent-applied liquid crystal display device
09/17/1992WO1991008184A3 1,2-disubstituted 2,6-difluorobenzene compounds and liquid crystal media
09/17/1992DE4206771A1 Methylencyclobutanderivate Methyl cyclobutane derivatives
09/17/1992DE4108448A1 High holding ratio electro=optical system - contg. liq. crystal mixt. with specified component and polymeric medium made from aromatic fluorine contg. precursor
09/17/1992DE4108091A1 High holding ratio electro=optical system - contg. liq. crystal mixt. with specified component and polymeric medium made from fluorine contg. precursor giving max. liq. crystal solubility
09/16/1992EP0503918A1 Liquid crystal aligning agent and aligning agent-applied liquid crystal display device
09/16/1992EP0503021A1 Liquid crystalline medium.
09/16/1992EP0502964A1 Use of complex ligands for ions in ferroelectric liquid crystal mixtures.
09/15/1992US5147577 Ferroelectric
09/15/1992CA1307576C Liquid crystal devices and process for producing the same
09/14/1992WO1992016519A2 Anisotropic organic compounds
09/14/1992WO1992016500A1 Naphthyl organic compounds
09/14/1992CA2082800A1 Anisotropic organic compounds
09/14/1992CA2082798A1 Naphthyl organic compounds
09/09/1992EP0502407A1 Nematic liquid-crystal composition for active matrix application
09/09/1992EP0502406A1 Nematic liquid-crystal composition for active matrix application
09/09/1992EP0502154A1 Fluorobenzene derivatives
09/08/1992US5145601 Ferroelectric liquid crystals with nicotinic acid cores
09/06/1992WO1992015631A1 Side chain type polymer liquid crystal
09/06/1992CA2082154A1 Side chain liquid crystalline polymer
09/03/1992WO1992014800A1 Nematic liquid-crystal composition
09/02/1992EP0501849A1 Fluorinated liquid crystals
09/02/1992EP0501563A1 Device for doubling the frequency of a light wave
09/02/1992EP0501409A2 Liquid crystal display device and preparation thereof
09/02/1992EP0501268A2 Liquid crystal compounds ending with a 1-alkinyl group
09/02/1992EP0500832A1 Supertwist liquid crystal display
09/02/1992EP0500815A1 Liquid-crystal mixture
09/02/1992EP0500538A1 Vessel construction
09/02/1992EP0367771B1 Aryl sulphur pentafluorides
09/02/1992EP0310620B1 Chiral liquid crystal compounds
09/01/1992US5144464 Polymer liquid crystal device
09/01/1992US5144055 Liquid crystalline bis-chlorocarbonic acid esters
09/01/1992US5143644 Carboxylic acid ester compounds, and their related matters and method of producing the same
09/01/1992US5143643 Optically active mesomorphic compound
09/01/1992US5143642 Thiadiazoles
09/01/1992CA1307072C Thermotropic liquid-cristalline aromatic polyesters
08/1992
08/27/1992DE4105742A1 2,6-Di:fluoro-tolan derivs. - useful as components of liq. crystal media for electro=optical displays
08/27/1992DE4105572A1 3,5-Di:fluoro-4-chloro-benzene derivs. - by Grignard reaction of 3,5-di:fluoro-benzene with cyclohexanone, dehydration, oxidn.or redn., and treatment with base and chlorinating agent
08/26/1992EP0500210A2 Liquid crystal compounds and compositions
08/26/1992EP0500072A1 Liquid crystal composition, liquid crystal device, display apparatus and display method
08/26/1992EP0368903B1 Alternating aliphatic-aromatic poly(esteramide)
08/26/1992CA2061696A1 Liquid crystal display device and preparation thereof
08/25/1992US5142389 Liquid crystal color display and method
08/25/1992US5142017 Aromatic polyester and a process for producing the same
08/25/1992US5141670 Ferroelectric liquid crystal composition
08/25/1992US5141669 Liquid crystal compounds having chiral ester head groups
08/25/1992US5141668 Naphthalene compound and liquid crystal composition containing the same
08/20/1992WO1992014184A1 Method for making encapsulated liquid crystal material
08/20/1992WO1992014180A1 Optical anisotropic material and its manufacturing, and liquid crystal device provided therewith and its manufacturing
08/20/1992WO1992013928A1 Liquid-crystal compounds
08/20/1992CA2100335A1 Method for making encapsulated liquid crystal material
08/19/1992EP0499482A1 Ferroelectric liquid crystal compositions and use thereof
08/19/1992EP0499252A1 Liquid crystal composition, liquid crystal device, display apparatus and display method
08/19/1992EP0499222A1 Liquid crystal composition, liquid crystal device, display apparatus and display method
08/19/1992EP0499221A1 Optically active compound, liquid crystal composition, liquid crystal device, display apparatus and display method
08/19/1992EP0346354B1 Substituted phthalocyanines
08/18/1992US5140447 Display medium having a colored polymer liquid crystal layer
08/18/1992US5139698 Achiral liquid crystal compound with doping component
08/18/1992US5139697 Smaller temperature dependence of response speed
08/18/1992US5139696 Bonding along long axes of two different thermotropic mesogenic compounds
08/16/1992CA2061193A1 Ferroelectric liquid crystal compositions and use thereof
08/13/1992DE4104126A1 New tri:fluoroalkyl and alkenyl ether(s) - useful as components of liq. crystal media for electro=optical displays
08/12/1992EP0498277A1 Optically active benzthiazoles, liquid crystal composition, liquid crystal device, display apparatus and display method
08/12/1992EP0357702B1 Fluorinated oligophenyl derivatives
08/11/1992US5138010 Fast switching polysiloxane ferroelectric liquid crystals
08/11/1992US5137653 Alkanoyl ester compounds and their intermediates and method of producing the same
08/06/1992WO1992014185A1 Liquid crystal display device, and manufacture and application thereof
08/06/1992WO1992012974A1 Pyridylpyrimidines, a method of preparing them, and their use in liquid-crystal mixtures
08/06/1992DE4142519A1 New fluoro-benzene derivs. - useful as components of liq. crystal media for LC and electro=optical display elements
08/06/1992DE4103403A1 Polyphenylene ether liq. crystal block copolymer mfr. - by converting liq. crystal polymer monomers in presence of polyphenylene ether and aromatic hydrocarbon for easy removal
08/06/1992DE4102837A1 New 1,3-dioxan derivs. - useful as components of liq. crystal media for electro=optical display elements
08/05/1992EP0497619A2 Liquid crystal display devices
08/05/1992EP0497297A2 Liquid crystal compound and liquid crystal display device
08/05/1992EP0497176A2 Four rings compounds and liquid crystal mixtures containing them
08/05/1992EP0496896A1 Cyclobutanecarboxylic acid derivative and liquid crystal composition containing the same
07/1992
07/31/1992WO1992013910A1 Copolymer of liquid crystal triad aromatic ester mesogenic unit with flexible spacer and polyester
07/31/1992CA2101250A1 Copolymer of liquid crystal triad aromatic ester mesogenic unit with flexible spacer and polyester
07/30/1992DE4104183A1 High holding ratio, micro-droplet or network electro=optical system - contg. specified cpd. in liq. crystal mixt. and with polymerisation of transparent medium initiated by radical photoinitiator
07/28/1992US5133896 Cyanohyorin derivatives and their use in liquid crystal materials and devices
07/23/1992WO1992012218A1 Pyrimidinecyclohexane derivatives, a method of preparing them and their use in liquid-crystalline mixtures
07/22/1992EP0495686A2 Ferroelectric liquid crystal composition and liquid crystal device using the same
07/22/1992CN1062981A Extended temp. range polymer dispersed liquid crystal light shutters
07/21/1992US5132815 Liquid crystal color display having volumes of the liquid crystal material without separating electrode means therebetween