Patents for C09K 19 - Liquid crystal materials (21,026)
09/1988
09/07/1988EP0281424A1 Optically active compounds having a plurality of asymmetric carbon atoms
09/07/1988EP0281065A1 Liquid crystal composition and display element
09/07/1988EP0280902A1 Cyclohexane derivative and liquid crystal composition containing the same
09/07/1988CN87108378A Liquid crystal materials
09/06/1988US4769448 Charge transfer compounds
09/06/1988US4769423 Block copolymers of optionally substituted poly(oxy-1,4-phenylene) segments and liquid crystalline segments
09/06/1988US4769176 Biphenyl esters and liquid crystal materials and devices containing them
09/01/1988DE3801798A1 Verfahren zur herstellung farbiger fluessigkristallanzeigen Process for the preparation of colored fluessigkristallanzeigen
09/01/1988DE3705071A1 Elektrooptisches anzeigeelement Electrooptical display element
08/1988
08/31/1988EP0280419A2 Optically active-2-substituted-propyl ether and liquid crystal composition
08/30/1988US4767839 Alternating aliphatic-aromatic poly(esteramide)
08/30/1988US4767625 Lamella type single phase liquid crystal composition and oil-base cosmetic compositions using the same
08/30/1988US4767565 Saturated hydrocarbon
08/25/1988WO1988006179A1 Polymer materials
08/25/1988WO1988006178A1 Electro-optical display element
08/25/1988WO1988006175A1 Substituted phthalocyanines
08/24/1988EP0279629A2 1,2-Propanediol derivatives
08/24/1988EP0279623A2 Silane microemulsions
08/23/1988US4765924 Halogen-containing heterocyclic compound and liquid crystal composition
08/18/1988DE3703228A1 Chiral esters made from alpha -substituted carboxylic acids and mesogenic hydroxyl compounds, and the use thereof as dopes (dopants) in liquid-crystal phases
08/17/1988EP0278665A2 2-Substituted-alkyl ether and liquid crystal composition
08/16/1988US4764636 Liquid crystals with short spiral pitch
08/16/1988US4764619 Optically active compounds, smectic liquid crystal compositions containing them and smectic liquid crystal display devices
08/16/1988US4764582 Wholly aromatic thermotropic polyesters
08/16/1988US4764581 Liquid-crystalline diglycidyl compounds, the preparation of these, and the use of these in curable epoxide mixtures
08/11/1988WO1988005803A1 Liquid crystalline mixture
08/11/1988WO1988000227A3 Polymerizable liquid crystal materials and polymers displaying liquid crystal phases
08/11/1988DE3702876A1 Optically active compounds
08/10/1988EP0277815A2 Optically active-2-alkoxy-propyl ether and liquid crystal composition
08/10/1988EP0277241A1 Liquid crystal polymer
08/09/1988US4762912 Liquid crystal polymers
08/09/1988US4762907 Wholly aromatic polyester carbamides and the preparation thereof
08/09/1988US4762906 Wholly aromatic mesomorphic polyether ester imide and the preparation thereof
08/09/1988US4762901 Process for the preparation of polymeric networks having superstructures, corresponding polymeric networks and the use thereof
08/03/1988EP0276238A1 Hexasubstituted cyclohexane compounds
08/02/1988US4761246 Optically active azoxy compound and liquid crystal composition
07/1988
07/28/1988DE3739588A1 Cyclopentane derivatives
07/28/1988DE3734332A1 Heterocyclic liquid-crystal compounds
07/27/1988EP0276067A1 Novel tolan type liquid crystal compound
07/27/1988EP0275999A2 Liquid crystal optical device and process for its production
07/27/1988EP0275522A2 Optically active 1-acyl-proline esters and their use as doping agents in liquid-crystal compositions
07/27/1988CN87105129A Chiral liquid crystal compounds mixtures and devices containing them
07/26/1988US4759870 Liquid crystal composition
07/26/1988US4759869 Liquid crystalline carbonic acid ester and liquid crystal composition containing same
07/20/1988EP0275036A2 Wholly aromatic thermotropic polyesters
07/19/1988US4758373 Carbocyclic compounds
07/13/1988EP0274128A2 Liquid-crystalline polymer
07/12/1988US4756847 Enhanced dielectric anisotropy
07/06/1988EP0273443A1 Liquid-crystal display devices of twisted nematic type
07/05/1988US4755323 Mixture of liquid crystalline compounds including substituted para-dioxane
06/1988
06/29/1988EP0272585A2 Liquid crystal optical device and process for its production.
06/29/1988EP0272580A2 Liquidcrystalline cyclohexylbenzene derivatives their manufacturing and novel nematic admixtures containing same
06/29/1988EP0272301A1 Polymerizable liquid crystal materials and polymers displaying liquid crystal phases.
06/28/1988US4754051 Optically active tolan derivative
06/28/1988US4753752 Optically active esters
06/28/1988CA1238747A1 Process for forming thermally stable thermotropic liquid crystalline polyesters of predetermined chain length utilizing aromatic hydroxyl monomer and/or aromatic amine monomer
06/22/1988EP0272115A2 Optically active liquid crystalline biphenyl compound
06/22/1988EP0271900A2 Device, method and apparatus for optical modulation
06/22/1988EP0271730A2 Side chain liquid crystalline polymers exhibiting nonlinear optical properties
06/21/1988US4752414 Nitrogen-containing heterocyclic compounds
06/21/1988US4752413 2-(alkyloxycarbonyloxyphenyl)-5-alkylpyridine and composition containing same
06/16/1988WO1988004305A1 Materials with nitrogenous six-membered rings
06/16/1988WO1988004290A1 Cyano-alicyclic esters in liquid crystal compositions
06/16/1988WO1988002357A3 Process for the production of alkylene or cyclically linked compounds
06/16/1988DE3641024A1 Stickstoffhaltige sechsringverbindungen Six ring compounds containing nitrogen
06/15/1988EP0271375A1 Thermally, electrically or magnetically operated lyotropic liquid-crystal devices
06/14/1988US4751128 Fully aromatic thermotropic polyesters
06/14/1988US4751019 Liquid crystal compound having methyleneoxy group and composition containing same
06/14/1988US4751018 Discoloration inhibition
06/14/1988US4751017 Liquid crystals
06/08/1988EP0270244A1 Optically active alcohols
06/08/1988EP0270243A1 Optically active compounds
06/08/1988EP0269963A2 Ferroelectric liquid crystals
06/07/1988US4749777 Liquid crystal aligning agent from tetracarboxylic acid dianhydride, diamine and monoamine
06/07/1988US4749770 Copolymerizing resorcinol, hydroquinone, terephthalic acid, and bipheny, 4,4*-dihydroxy; fatty acid ahydride present
06/07/1988US4749769 Fully aromatic mesomorphic polyesters and their preparation
06/01/1988EP0269321A2 Liquid crystal copolyesters having a blocked terminal of its molecular chain
06/01/1988EP0269062A2 Ferroelectric liquid crystal mixture for guest-host type display elements
06/01/1988EP0268877A2 Encapsulated liquid crystal and method
05/1988
05/31/1988US4748229 Fully aromatic thermotropic polyesters
05/31/1988CA1237508A1 Alignment of ferroelectric lcds
05/25/1988EP0268354A2 Substituted pyrazoline
05/25/1988EP0268226A2 Liquid crystal composition
05/25/1988EP0268198A2 Ferroelectric liquid crystals
05/25/1988EP0268154A2 Trisazo dyes
05/25/1988CN85104134B Ferroelectric liquid crystal composites
05/24/1988US4746722 Cholesteric liquid crystal polyesters
05/24/1988US4746694 Melt processable polyester capable of forming an anisotropic melt comprising a relatively low concentration of 6-oxy-2-naphthoyl moiety, 4-oxybenzoyl moiety, 2,6-dioxynaphthalene moiety, and terephthaloyl moiety
05/19/1988WO1988003530A1 Chiral or achiral cyclic compounds
05/19/1988WO1988003525A1 Chiral aryloxy propionic acid esters and their use as doping agent in liquid crystal phases
05/19/1988WO1988002364A3 Process for the production of ethane derivatives
05/18/1988EP0267758A2 Alpha-substituted-propionic acid esters
05/18/1988EP0267670A1 Optically active liquid crystal compound having cyano group
05/18/1988EP0267585A2 Fluoroalkane derivative, its composition and liquid crystal device using same
05/18/1988EP0267210A1 Anisotropic polymer materials
05/17/1988US4745135 Improved load bearing
05/17/1988US4744918 Esters,optical apparatus
05/11/1988EP0267122A1 Process for producing a composition, in particular a ferromagnetic liquid crystal, liquid crystal obtained by the process and device using this liquid crystal
05/11/1988DE3638026A1 Chirale verbindungen Chiral compounds
05/10/1988US4743675 Thermotropic cholesteric liquid crystalline polypeptide comprising alpha-benzyl glutamate-alpha-alkyl glutamate copolymer