Patents for C09K 19 - Liquid crystal materials (21,026) |
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05/16/1990 | CN1042173A Supertwist liquid crystal display device |
05/16/1990 | CN1042164A Optically active nonlinear polymers and thereof |
05/15/1990 | US4925708 Process for producing liquid crystal devices |
05/15/1990 | US4925592 Ether substituted phenyl benzoates; ferrodielectric display elements |
05/15/1990 | US4925591 Mesomorphic compound having β-hydroxycarboxyl group as chiral source and liquid crystal composition |
05/15/1990 | US4925590 Derivatives of 4-cyano-2,3-difluorophenol |
05/15/1990 | US4925589 Addition acrylic type polymer |
05/15/1990 | US4925278 Electrooptics |
05/10/1990 | DE3837936A1 Laterally substituted, mesogenic side-chain polymers |
05/10/1990 | DE3837663A1 Urethane derivatives |
05/09/1990 | EP0366985A1 Super twist liquid crystal display |
05/08/1990 | US4923955 Thermotropic liquid-crystalline aromatic polyesters of substituted 4,4'-dihydroxy-diphenylene |
05/08/1990 | US4923633 Liquid crystal compounds containing two or more chiral centers |
05/08/1990 | US4923632 Liquid crystal composition for twist nematic mode |
05/08/1990 | CA1268893A1 Wholly aromatic liquid-crystalline polycondensates and the preparation thereof |
05/03/1990 | WO1990004805A1 Variable density light control apparatus and method |
05/03/1990 | WO1990004623A1 Matrix liquid crystal display |
05/03/1990 | WO1990004622A1 Supertwist liquid crystal display |
05/02/1990 | EP0366392A2 Polyester resin exhibiting optical anisotropy in molten state and resin composition |
05/02/1990 | EP0366391A2 Polyester resin exhibiting optical anisotropy in molten state and resin composition |
05/02/1990 | EP0365962A1 Matrix-type liquid-crystal display |
05/02/1990 | EP0365820A1 Utilization of optically active ester of oxygen containing heterocyclic carboxylic acids as doping agents in liquid crystalline mixtures, and those mixtures containing them |
05/02/1990 | EP0365641A1 Pyridine derivatives |
05/02/1990 | EP0267276B1 Smectic liquid crystal phases containing bicyclooctane esters |
05/02/1990 | CN1041776A Mesogens and polymers with mesogens |
05/02/1990 | CN1041773A Water dispersible polymers for coatings |
05/01/1990 | US4921632 Liquid crystal compounds and compositions |
05/01/1990 | CA1268591A1 Liquid-crystalline carbamyl-containing polycondensates and the preparation thereof |
05/01/1990 | CA1268590A1 Wholly aromatic mesomorphic polyesters and the preparation thereof |
05/01/1990 | CA1268589A1 Wholly aromatic polyesters and preparation thereof |
05/01/1990 | CA1268588A1 Wholly aromatic mesomorphic polyester imides, the preparation and use thereof |
05/01/1990 | CA1268587A1 Wholly aromatic mesomorphic polyester amide imides and the preparation thereof |
05/01/1990 | CA1268584A1 Wholly aromatic mesomorphic polyester amides and preparation thereof |
04/26/1990 | DE3923044A1 Matrix LCD contg. specified nematic liq. crystal mixt. - with positive dielectric anisotropy and high specific resistance |
04/25/1990 | EP0365255A2 Ferroelectric liquid crystal composition and liquid crystal display device |
04/25/1990 | EP0365101A1 Liquid-crystalline polymer composition |
04/25/1990 | EP0364923A2 Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same |
04/25/1990 | EP0364588A1 Liquid crystal composition |
04/25/1990 | EP0364548A1 Octafluorobiphenyls. |
04/25/1990 | EP0364538A1 Difluorobenzol derivatives. |
04/25/1990 | EP0364534A1 Liquid crystal mixtures with low refractive index |
04/25/1990 | EP0364520A1 Mechanical structural member |
04/25/1990 | EP0227717B1 Nitrogen-containing heterocyclic esters |
04/24/1990 | US4920191 Liquid crystalline polyester siloxanes |
04/24/1990 | CA2000460A1 Polyester resin exhibiting optical anisotropy in molten states and resin composition |
04/24/1990 | CA2000451A1 Polyester resin exhibiting optical anisotropy in molten states and resin composition |
04/24/1990 | CA1268292A1 Wholly aromatic mesomorphic polyether ester imides and the preparation thereof |
04/24/1990 | CA1268291A1 Wholly aromatic mesomorphic polyester amide imides and the preparation thereof |
04/24/1990 | CA1268289A1 Wholly aromatic polyester carbamides and the preparation thereof |
04/24/1990 | CA1268032A1 Light modulating material comprising a liquid crystal dispersion in a plastic matrix |
04/20/1990 | CA2000926A1 Supertwist liquid crystal display |
04/19/1990 | DE3834926A1 Optically active thiadiazole derivatives |
04/19/1990 | CA2000939A1 Variable density light control apparatus and method |
04/18/1990 | EP0364185A2 Conducting liquid crystals |
04/18/1990 | EP0191860B1 Liquid crystal compound |
04/17/1990 | US4918217 Memory device, opto-electronic display or non-linear optical device |
04/17/1990 | US4918213 Having a trifluoromethyl group attached to asymmetric carbon atom; stable; optical devices |
04/17/1990 | US4917821 Optically active mesomorphic compound and liquid crystal composition containing same |
04/17/1990 | US4917819 Good stability, low viscosity, large dielectric ansiotropy |
04/17/1990 | US4917818 Nematic liquid crystal composition |
04/17/1990 | US4917817 Optical active compound, process for producing same and liquid crystal composition containing same |
04/17/1990 | US4917473 Method of manufacturing liquid crystal devices |
04/17/1990 | CA1267779A1 Poly(aryl ether) liquid crystalline polyester block copolymers |
04/11/1990 | EP0363237A2 Polymers and materials containing same having non-linear optical properties, process for their preparation and optoelectrical materials and devices containing same |
04/11/1990 | EP0362714A2 Liquid-crystalline compounds and liquid-crystalline polymers |
04/11/1990 | EP0362318A1 2,3-difluorobiphenyls. |
04/11/1990 | EP0362317A1 Smectic liquid crystal medium |
04/10/1990 | US4916074 Process for producing optically active compounds |
04/10/1990 | US4915868 Optically active esters of 1-acylproline as dopes in liquid-crystal mixtures, and novel optically active esters of 1-acylproline |
04/10/1990 | US4915867 Compound hydrogen bonded to non-liquid crystalline polymer |
04/10/1990 | US4915491 Side chain liquid crystalline acrylic copolymers exhibiting nonlinear optical response |
04/10/1990 | US4915480 Liquid crystalline compounds and mixtures |
04/05/1990 | WO1990003415A1 Water dispersible polymers for coatings |
04/05/1990 | WO1990003360A1 Mesogens and polymers with misogens |
04/05/1990 | DE3909802A1 Difluormethylverbindungen Difluormethylverbindungen |
04/04/1990 | EP0361853A2 Mesogens and polymers with mesogens |
04/04/1990 | EP0361852A2 Water dispersible polymers for coatings |
04/04/1990 | EP0361843A2 Chiral smectic C liquid crystalline polyester |
04/04/1990 | EP0361532A2 Ethane derivatives |
04/04/1990 | EP0361272A1 Optically active esters of 5-ethyl and 5-vinyl 1,3-dioxolane-carboxylic acid, their use as dopants in liquid-crystal mixtures, and liquid-crystal mixtures containing these esters |
04/04/1990 | EP0361255A1 Liquid-crystal mixtures containing azulene square acid dye |
04/04/1990 | EP0361157A1 Phenyl pyridines |
04/04/1990 | EP0360851A1 Supertwist liquid crystal display |
04/04/1990 | EP0259346B1 R-1-cyan-1-r2 -cis-4-r1 -cyclohexane compounds |
04/04/1990 | EP0215800B1 Pyrimidines |
04/03/1990 | US4914224 High-speed response, wide temperature range, chiral smectic phases |
04/03/1990 | US4913839 Usable at room temperature; fast response speed; displaying motion pictures; suitable for large or curved screens |
04/03/1990 | US4913838 Liquid crystal compound with a 4-(optically active alkyl)-3-cyanophenyl group |
04/03/1990 | US4913837 Liquid crystals |
04/03/1990 | US4913836 Side chain liquid crystalline polymers exhibiting nonlinear optical response |
04/03/1990 | US4913532 Mixture |
04/03/1990 | US4913530 Liquid crystal display |
03/29/1990 | DE3831336A1 Tolans |
03/29/1990 | DE3825424A1 Fluorierte alkoxyverbindungen Fluorinated alkoxy |
03/28/1990 | EP0360683A1 Liquid crystals with a chiral structure derived from dehydroxy-4,4' bisphenol |
03/28/1990 | EP0360622A2 Novel optically active benzene derivatives, process for producing the same and liquid-crystalline composition containing said derivatives as liquid-crystalline compound and light switching elements |
03/28/1990 | EP0360521A2 Achiral fluorine-containing liquid crystals |
03/28/1990 | EP0360457A2 A liquid crystal information storage device |
03/28/1990 | EP0360080A1 An alkenyl ether compound and a composition containing the same |
03/28/1990 | EP0360043A1 p-Terphenyl derivatives and liquid crystalline compositions |