Patents for C09K 19 - Liquid crystal materials (21,026)
12/1990
12/27/1990EP0404480A2 Ferro-electric liquid crystal electro-optical device
12/27/1990EP0404255A1 Acid halide and/or acyllactam functional compounds and polylactam block copolymers derived therefrom
12/27/1990EP0404254A1 N-substituted carbamoyllactam functional compounds and polylactam block copolymers derived therefrom
12/27/1990EP0404140A2 Silylated benzoic acid derivatives II
12/27/1990EP0404081A2 Ferroelectric liquid crystal element with high spontaneous polarization and small helical pitch
12/27/1990EP0258346B1 Liquid crystal display element
12/25/1990US4980486 Phenyl isothiocyanates
12/25/1990US4980441 Flexible, elastic films
12/25/1990US4980083 Optically active compound and liquid crystal composition containing the same
12/25/1990US4980082 Ferroelectric SmC liquid crystal composition which comprises pyrimidinylphenyl ester compounds
12/25/1990US4980081 Polymers which form liquid-crystalline phases
12/25/1990US4979805 Ferroelectric liquid crystal device containing optically active azo or azoxy benzene type mesomorphic compound with extended life
12/23/1990CA2019652A1 Ferroelectric liquid crystal components having high spontaneous polarization and low helical pitch
12/22/1990CA2019370A1 N-substituted carbamoyllactam functional compounds and polylactam block copolymers derived therefrom
12/22/1990CA2019362A1 Acid halide and/or acyllactam functional compounds and polylactam block copolymers derived therefrom
12/20/1990DE3919839A1 Fluessigkristall-schalt- und anzeige-element Liquid crystal switching and display-element
12/20/1990CA2014966A1 Polymerization of liquid crystalline monomers
12/18/1990CA1277828C Smectic a liquid crystal compositions
12/17/1990WO1990015706A1 Liquid crystal polymer film
12/13/1990WO1990015117A1 Liquid crystal composition and liquid crystal element
12/13/1990WO1990015116A1 Fluorophenyl pyrimidines
12/13/1990WO1990015114A1 Ring compounds
12/13/1990WO1990015113A1 Fluoro-chloro-benzene derivatives
12/13/1990DE3928783A1 Trifluortoluolverbindungen und fluessigkristallines medium Trifluortoluolverbindungen and fluessigkristallines medium
12/13/1990DE3919104A1 Fluorphenylpyrimidine Fluorphenylpyrimidine
12/12/1990EP0402233A1 Liquid crystal compounds
12/12/1990EP0402110A1 Optical active compounds and liquid crystal compositions containing such compounds
12/12/1990EP0401961A2 Carboxylic acid esters and their use in liquid crystal compositions
12/12/1990EP0401522A1 Liquid crystal composition and liquid crystal device using same
12/11/1990US4976887 Optically active liquid crystal compound and method of manufacturing the same, liquid crystal composition containing the same and liquid crystal display device
12/05/1990EP0400861A1 1,3-dioxane derivative and liquid crystal composition incorporating the same
12/05/1990EP0400098A1 Light modulating materials comprising liquid crystal microdroplets dispersed in a birefringent polymeric matrix.
12/05/1990EP0400068A1 Derivatives of 2,3-difluorophenol
12/04/1990US4975522 Condensation polymerization of complex dicarboxylic dichloride with an unsaturated dihydroxy oligomeric compound
12/04/1990US4974941 Process of aligning and realigning liquid crystal media
12/04/1990CA1277403C Liquid crystal device
12/04/1990CA1277133C Compounds for ferroelectric liquid crystal devices
12/01/1990WO1990015115A1 Fluorinated biphenyl derivatives
12/01/1990CA2033204A1 Fluorinated biphenyl derivatives
11/1990
11/30/1990CA2017714A1 Liquid crystalline copolyesters of 4-hydroxybenzoic acid and substituted 4-hydroxybenzoic acids
11/29/1990WO1990014405A1 Chlorobenzene derivatives
11/29/1990WO1990014404A1 Trifluorotoluol compounds and liquid crystalline medium
11/28/1990EP0399298A2 Liquid crystal medium with a smectic C-phase
11/28/1990EP0399279A1 New monomers and their use for the preparation of a laser optical recording element which can be repeatedly deleted and re-entered
11/27/1990US4973738 Liquid crystal compounds having naphthalene nucleus
11/27/1990US4973426 Liquid crystals
11/27/1990US4973425 Liquid crystal composition and use thereof
11/27/1990US4973373 Process for producing liquid crystal optical device
11/27/1990US4973137 Liquid crystal display device with compensation layers
11/22/1990EP0398606A2 Liquid crystal display device
11/22/1990EP0398155A2 Cyclopropylalkyl or cycloalkenyl compounds, process for their preparation and their use in liquid crystal mixtures
11/22/1990EP0398052A2 Low-viscosity polyarylene sulfide mouldings
11/22/1990DE3931707A1 LC medium contg. fluoro or di:fluoro phenylene cpd. - to induce smectic C-phase in component with only smectic A- and/or B-phase, useful in display
11/22/1990DE3923324A1 New optically active cpds. with fluoro-substd. asymmetrical carbon
11/22/1990DE3916508A1 LC medium contg. fluoro or di:fluoro phenylene cpd. - to induce smectic C-phase and suppress smectic phase with high order parameter of other cpds.
11/20/1990US4971719 Polymer dispersed liquid crystal films formed by electron beam curing
11/17/1990WO1990014406A1 Fluorinated cyclohexyl derivatives
11/17/1990CA2033087A1 Fluorinated cyclohexyl derivatives
11/15/1990WO1990013611A2 Optically active compounds and liquid crystal phase
11/15/1990WO1990013610A1 Mesogenic compounds
11/15/1990WO1990013421A1 Wholly aromatic polyester fiber-reinforced high performance thermoplastic and process for preparing same
11/15/1990WO1990013282A2 Decorative composition
11/15/1990DE3915698A1 Novel fluorine-contg. phenylene cyclohexylene optically active cpds. - useful as components of chiral smectic liq. crystals
11/15/1990CA2031527A1 Wholly aromatic polyester fiber reinforced high performance thermoplastic and process for preparing the same
11/14/1990EP0397263A1 Method of manufacturing a polarisation filter, a polarisation filter thus obtained and a display having such a polarisation filter
11/14/1990EP0396959A1 Liquid crystal OMI-type display device
11/14/1990EP0396955A2 Liquid crystal polyester resin composition improved in fluidity
11/14/1990CN1046914A Optically anisotropic melt forming aromatic copolyesters based on t-butylhydroquinone
11/13/1990US4970285 Thermotropic copolyester from mixture of hydroxy benzoic acids
11/13/1990US4970023 Biphenyl compounds, method of producing the same as well as liquid crystal compositions and light switch elements each containing the same
11/13/1990US4970022 Liquid-crystalline mustard oils
11/13/1990US4970021 Phthalocyanine compounds and utility thereof
11/13/1990CA2016632A1 Cyclopropylalkyl or -alkenyl compounds, processes for their preparation, and their use in liquid-crystalline mixtures
11/11/1990CA2014770A1 Liquid crystal polyester resin composition improved in fluidity
11/07/1990EP0396410A2 Optical active compound and liquid crystal composition
11/07/1990EP0395666A1 Laterally cyano- and fluoro-substituted terphenyls.
11/06/1990US4968820 Chiral reaction products produced from mesogenic molecular structural elements and bifunctionally reactive butanetetraol derivatives, and their use as dopants in liquid crystal phases
11/06/1990US4968798 Liquid-crystalline, 1-substituted piperidine-4-carboxylic acid esters
11/06/1990US4968539 Drug delivery
10/1990
10/31/1990EP0395390A1 Optically active biphenyl derivative, process for preparation thereof, liquid crystal composition containing the same as effective component, and liquid crystal element using the same
10/31/1990EP0395220A2 1,3-dioxane derivative
10/31/1990EP0395078A1 Optically active lactone derivative, liquid-crystal composition, and liquid-crystal display device
10/31/1990EP0394906A2 Liquid crystalline composition
10/31/1990EP0394419A1 Matrix liquid crystal display.
10/31/1990EP0394416A1 Variable density light control apparatus and method
10/31/1990EP0234437B1 Chiralic reaction products of mesogene molecular structures and bifunctional reactive derivatives of tartaric acid, method for their production and their use as a doping material in liquid crystal phases
10/31/1990CN1046520A Carboxylic acid ester compound, and their related matters and method of producing same
10/30/1990US4966727 Ferroelectric liquid crystal mixture for guest-host type display elements
10/30/1990US4966726 Chiral reaction products produced from mesogenic molecular structural elements and bifunctionally reactive tartaric acid derivatives, and their use as dopants in liquid crystal phases
10/25/1990DE4010684A1 Super-twist liq. crystal displays
10/25/1990DE4010668A1 Super-twist liq. crystal displays
10/24/1990EP0393636A2 Liquid crystal composition and liquid crystal display using said composition
10/24/1990EP0393613A1 Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same
10/24/1990EP0393577A2 Liquid crystal composition and liquid crystal display using said composition
10/24/1990EP0393501A1 Liquid crystal components with a trans-3-cyclohexylallyloxy group
10/24/1990EP0393490A2 Liquid crystal composition and liquid crystal display element
10/24/1990EP0393443A2 Supertwist liquid crystal display
10/24/1990EP0393442A2 Liquid crystal supertwist display unit
10/24/1990EP0220254B1 Benzonitriles
10/24/1990EP0218132B1 Liquid-crystal phase containing a dopant agent having a temperature-compensating effect