Patents for C09K 19 - Liquid crystal materials (21,026)
06/1984
06/05/1984US4452718 Pyridazines
06/05/1984US4452511 Substituted anthracene-type isotropic dyes for liquid crystal display devices
05/1984
05/29/1984CA1168037A1 Liquid crystal materials with pleochroic dyes
05/29/1984CA1168036A1 Liquid crystal materials with pleochroic dyes
05/22/1984US4450094 Nematic liquid crystal compositions for display apparatuses
05/22/1984US4449777 Drop wire connector
05/16/1984EP0108472A2 Organic materials for a liquid crystal device
05/15/1984US4448492 Dichroic dye material
05/09/1984EP0107759A2 Cyclohexane derivatives and their use as components for liquid crystals
05/08/1984US4447132 Liquid crystal display device
05/02/1984EP0107492A2 Helichromic-smectic liquid crystal compositions and display cells
05/02/1984EP0107116A1 Dicyanobenzenes
04/1984
04/25/1984EP0106588A1 2-Cyano-4-halogenophenyl esters
04/25/1984EP0106175A2 Electrically conductive liquid crystalline substance and polymer
04/18/1984EP0105777A1 Lipopeptides, their manufacture and use as emulsifiers
04/10/1984US4442019 Non-coagulating conductive particles in dielectric fluid
04/04/1984EP0104327A2 Use of cyclic derivatives as components of liquid cristals
03/1984
03/29/1984WO1984001162A1 Liquid crystalline polymer compositions, process, and products
03/29/1984WO1984001161A1 Liquid crystalline poly(2,6-benzothiazole) compositions, process and products
03/29/1984WO1984001160A1 Liquid crystalline polymer compositions, process, and products
03/28/1984EP0104011A1 Pyrimidine derivatives
03/28/1984EP0103952A2 Pleochroic anthraquinone dyes
03/28/1984EP0103681A1 Tetra- and pentacyclic monoesters
03/27/1984US4439340 Liquid crystals
03/27/1984US4439015 Disubstituted ethanes
03/21/1984EP0103095A2 Dichroic material containing anthraquinone dyes
03/20/1984US4438268 Liquid crystal substances
03/20/1984US4437731 Liquid crystal display device
03/07/1984EP0102047A1 1-(Trans-4-alkylcyclohexyl)-2-(trans-4'-(p-substituted phenyl)cyclohexyl)ethane and liquid crystal mixture
03/06/1984US4435047 Encapsulated liquid crystal and method
02/1984
02/28/1984US4434073 Perhydrophenanthrene derivatives, their preparation, and their use in liquid-crystalline dielectrics and electro-optical display elements
02/28/1984US4434072 Liquid crystal composition
02/28/1984US4433900 Permanent display liquid crystal device via voltage application
02/21/1984US4432885 Decalins
02/14/1984US4431853 Dicyclohexylethane derivatives
02/14/1984US4431564 Liquid-crystalline biphenyl or terphenyl derivatives
02/07/1984US4430650 Display process using a thermo-optical effect with a memory in a thin disc-like liquid crystal layer and disc-like liquid crystals having such an effect
02/01/1984EP0099488A2 Liquid crystals composition, especially for an electro-optical device
01/1984
01/31/1984US4428858 Composition based on liquid crystal for electro-optical device
01/25/1984EP0099099A2 High temperature liquid crystal substances having four rings and liquid crystal compositions containing the same
01/25/1984EP0099014A2 Dark coloured composition based on liquid crystals
01/24/1984US4427569 Short length ester liquid crystal mixtures and process for making same
01/18/1984EP0098736A2 Anthraquinone dyes and liquid crystal compositions containing the dyes
01/18/1984EP0098522A2 Liquid crystal composition
01/17/1984US4426312 Liquid crystal material containing disazo dyestuffs
01/11/1984EP0098070A2 Liquid crystal devices
01/03/1984US4424372 4-Substituted phenyl 4'-(5-N-alkyl-1,3-dioxan-2-yl) thiobenzoates
01/03/1984US4424371 Liquid crystals
12/1983
12/28/1983EP0097033A2 Liquid crystal compounds
12/28/1983EP0096850A1 Trans-4-alkyloxymethyl-1-(4'-substituted biphenylyl-4)cyclohexanes and liquid crystal compositions containing the same
12/27/1983US4422951 Liquid crystal benzene derivatives
12/20/1983US4421670 Liquid crystal dihydrophenanthrene substances
12/07/1983EP0095865A2 Thermoformed shaped articles of thermotropic liquid crystal polymers and methods of production thereof
12/07/1983EP0095626A2 Piperidine derivatives
12/06/1983US4419264 Fluorine-containing 4,4'-bis-(cyclohexyl)-biphenyl derivatives, and dielectrics and electro-optical display elements containing them
12/06/1983US4419263 Liquid crystalline cyclohexylcarbonitrile derivatives
12/06/1983US4419262 Pyridazines
12/06/1983CA1158078A1 Artificial dental root
11/1983
11/23/1983EP0094487A1 Hydroterphenyls, their preparation and their use in dielectric liquid crystal material
11/22/1983US4416515 Optical filter in fluorescent liquid crystal display devices
11/16/1983EP0094198A2 4-(Trans-4'-alkyloxymethylcyclohexyl) benzoic acid esters
11/15/1983US4415470 High speed switching
11/09/1983EP0093367A2 Anthraquinone dyes, their preparation and use, and a dichroic material containing these anthraquinone dyes
11/08/1983US4414131 Dioxane derivatives, pleochroic dye
11/02/1983EP0092682A1 Lubricant
10/1983
10/25/1983US4411812 Dichroic liquid crystal compositions made with asymmetric tris-azo dyes
10/19/1983EP0091661A1 Liquid crystal optical modulation element
10/18/1983US4410570 Compositions containing liquid-crystalline phases
10/18/1983US4410445 Mixture of carbo compounds consisting of a carbo ester with hydrocarbon,nitrile,ether or pyrimidine carbo compound
10/18/1983US4410283 Thermosensitive protective devices changing from blue to red
10/12/1983EP0091226A2 Dielectric materials
10/12/1983EP0091225A2 Anthraquinone compounds
10/11/1983US4408840 Liquid crystal compositions containing pleochroic anthraquinone dyes, liquid crystal devices containing the compositions, and the dyes
10/05/1983EP0090671A1 Carbocylic esters having liquid-crystal properties at high temperatures
10/05/1983EP0090548A2 Liquid-crystalline compounds
10/05/1983EP0090282A1 Polymers having mesogen groups and colouring matter in the side chain
10/05/1983EP0090183A1 Polyhalogenated aromatic compounds
09/1983
09/28/1983EP0089552A2 Liquid crystal display
09/27/1983US4406814 Cyclohexanecarboxylic acid esters
09/21/1983EP0088907A1 Halogen biphenyl derivatives
09/20/1983US4405488 Liquid-crystalline halogenobenzene derivatives
09/20/1983US4405211 Liquid crystal compositions with pleochroic anthraquinone dyes
09/20/1983US4405209 Matrix liquid-crystal display devices
09/13/1983CA1153774A1 Cyclohexylbiphenyls, their preparation and use in dielectrics and electrooptical display elements
09/07/1983EP0087963A2 Phthalonitrile derivatives and liquid crystal compositions containing them
09/07/1983EP0087679A2 1,3-Dioxanes
09/06/1983US4402855 Thermal-optical effect
09/06/1983US4402854 Liquid crystals having pleochroic dyes
09/06/1983US4402849 Liquid-crystalline tetrahydroquinazolines
08/1983
08/31/1983EP0087248A1 Liquid crystal composition containing azo dyes
08/31/1983EP0087102A1 Liquid crystal compound and liquid crystal composition
08/31/1983EP0087082A1 Production and use of cholesteric liquid crystals
08/31/1983EP0087056A1 Benzonitriles
08/31/1983EP0087032A1 Bicyclohexyl derivatives having liquid-crystal properties
08/30/1983US4401369 Nematic host, cholesteric component and tetrakisazo dye
08/23/1983US4400293 Liquid crystalline cyclohexylphenyl derivatives
08/23/1983US4400061 Liquid crystal ester compounds exhibiting a low or negative dielectric anisotropy and liquid crystal materials and devices incorporating such compounds
08/23/1983US4400059 Liquid crystal display device
08/23/1983CA1152618A1 Bimodally orienting half-cells and process
08/17/1983EP0085995A1 Anisotropic compounds and liquid crystal compositions