Patents for C09K 19 - Liquid crystal materials (21,026) |
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07/28/1982 | EP0056519A2 Short length ester liquid crystal mixtures |
07/28/1982 | EP0056501A2 Liquid crystal mixture |
07/28/1982 | EP0056492A1 Dyes for liquid crystal mixtures |
07/27/1982 | US4341653 Liquid-crystalline 4-alkylcyclohexyl esters |
07/27/1982 | US4341652 Ester compounds, liquid crystal composition including same and method of production |
07/21/1982 | EP0056113A1 Cyclohexylcarbonitrile derivatives, dielectrics and electro-optic display device containing them |
07/20/1982 | US4340624 Electrochromic display device |
07/20/1982 | US4340498 Crystalline admixture |
07/14/1982 | EP0055989A2 Liquid crystal with an incorporated pleochroic anthraquinone dyestuff, and process for the preparation of the dyestuff |
07/14/1982 | EP0055842A2 Mixtures of dyestuffs and liquid-crystal materials containing these mixtures |
07/14/1982 | EP0055838A2 Liquid cristalline material containing disazodyes |
07/08/1982 | WO1982002209A1 Liquid crystal compositions with novel tris-azo dichroic dyes |
07/06/1982 | US4337999 Fluorescent liquid crystal display compositions and devices |
06/30/1982 | EP0054837A1 Liquid crystal compositions with tris-azo dichroic dyes |
06/24/1982 | WO1982002054A1 Novel yellow azo dyes and dichroic liquid crystal compositions made therefrom |
06/23/1982 | EP0054217A1 Anthraquinone dyes, process for their preparation, their use, as well as liquid-crystal material containing anthraquinone dyes |
06/15/1982 | US4335012 5-Substituted-2-(4-cyanophenyl)-1,3-dioxanes |
06/15/1982 | US4335011 Cyclohexyl-dioxane liquid crystalline compounds |
06/08/1982 | US4333709 Mixture of disc-like liquid crystals, electro-optical device using such a mixture and process for orienting the molecules of the mixture |
06/01/1982 | US4332759 Process for extruding liquid crystal polymer |
05/25/1982 | US4331552 Liquid crystalline, partially hydrogenated oligo-1,4-phenylenes and dielectrics and electro-optical display elements containing them |
05/19/1982 | EP0051768A1 Liquid crystal indicator device |
05/19/1982 | EP0051738A1 Cyclohexyl-biphenyl derivatives that contain fluor, dielectrics containing them and electro-optical indicating element |
05/18/1982 | US4330426 Cyclohexylbiphenyls, their preparation and use in dielectrics and electrooptical display elements |
05/04/1982 | US4328116 Liquid crystal compositions for multiplexed displays |
04/28/1982 | EP0050426A1 Liquid crystal display device |
04/21/1982 | EP0050023A1 Liquid crystal devices |
04/20/1982 | US4325830 Three ring dioxane liquid crystalline compounds |
04/15/1982 | WO1982001191A1 Composition for liquid crystal color display |
04/13/1982 | US4324455 Liquid crystal composition |
04/07/1982 | EP0049036A1 Organic compositions suitable for guest-host liquid crystal device |
04/07/1982 | EP0049035A1 Organic compositions suitable for a guest-host liquid crystal device |
04/07/1982 | EP0048887A1 Liquid crystal composition containing a pleochroic anthraquinone dye |
04/07/1982 | EP0048886A1 Liquid-crystal composition containing a pleochroic anthraquinone dye, and process for the production of such a dye |
04/06/1982 | US4323504 Cyclohexyl cyclohexyl dioxane liquid crystalline compounds and admixture containing same |
04/06/1982 | US4323473 Cyclohexyl cyclohexyl dioxane liquid crystalline compounds and admixture containing same |
04/06/1982 | US4323472 Liquid crystal admixture |
04/06/1982 | US4323471 Liquid crystal composition |
03/31/1982 | EP0048583A1 Liquid crystal compositions containing pleochroic anthraquinone dyes, liquid crystal devices containing the compositions, and the dyes |
03/30/1982 | US4322354 5-Substituted-2-(4-cyanophenyl)-1,3,-dioxanes |
03/24/1982 | EP0047817A2 Hydrogenated naphthalines, their preparation and application, and mixtures containing such naphthalines |
03/23/1982 | CA1120491A1 Liquid crystalline materials |
03/23/1982 | CA1120490A1 Liquid crystal materials |
03/23/1982 | CA1120478A1 Cyclohexyl pyrimidines |
03/17/1982 | EP0047453A1 4'-(Beta-alkyloxyethoxy)-4-cyanobiphenyl |
03/10/1982 | EP0047198A2 Display method using a thermo-optical effect with memory in a film of disc-like liquid crystals, and disc-like liquid crystals showing such an effect |
03/10/1982 | EP0047027A1 Liquid crystals mixture |
03/04/1982 | WO1982000654A1 New derivatives of phenic acid,method of obtaining them,liquid crystal material with negative dielectric anisotropy,method of obtaining that liquid crystal material,liquid crystal material with low-frequency inversion of sign of dielectric anisotropy and method of obtaining that liquid crystal material |
02/18/1982 | WO1982000472A1 Derivatives of 2,2-azoimidazole,method for the preparation thereof,liquid crystal material and electro-optical device |
02/16/1982 | US4316041 Liquid crystal silanes |
02/10/1982 | EP0045575A1 Process for extruding liquid crystal polymer |
02/03/1982 | EP0044893A1 Anthraquinone compounds and process for their preparation |
02/02/1982 | US4313878 4-Substituted phenyl 4'-(5-n-alkyl-1,3-dioxan-2-yl)benzoates |
01/27/1982 | EP0044759A1 Smectic type A liquid crystal with positive dielectric anisotropy |
01/27/1982 | EP0044666A2 Helichromic compounds and displays |
01/27/1982 | EP0044646A1 4-(Trans-4'-alkylcyclohexyl)benzoic acid 4"'-cyano-4"-biphenylyl esters and liquid crystal compositions containing them |
01/26/1982 | US4312773 Liquid crystal compositions |
01/26/1982 | CA1116841A1 Liquid-crystalline polymer phase having a cholesteric structure, processes for its preparation and its use |
01/20/1982 | EP0043904A2 Mixtures containing a dyestuff, dyestuffs and their use in liquid crystal mixtures |
01/19/1982 | US4311843 Di-n-alkyl dicarboxypyrazinedicarboxylates and ferrous complexes |
01/19/1982 | US4311610 Liquid crystalline 5-alkyl-2 (4-acyloxy-phenyl)-pyrimidine |
01/13/1982 | EP0043603A1 Guest-host liquid crystal display device |
01/05/1982 | US4309539 Electrooptics |
01/05/1982 | US4309304 Liquid crystal compositions for multiplexed displays |
01/05/1982 | US4309183 Liquid crystal phase of an azo reactive dyestuff and its use for dyeing and printing natural and synthetic substrates |
01/05/1982 | US4309182 Cotton, wool, regenerated cellulose, paper, leather |
12/30/1981 | EP0042535A1 Mixtures of dyes, process for their manufacture and for dyeing hydrophobic fibres |
12/29/1981 | US4308164 Novel yellow azo dyes and dichroic liquid crystal composition made therewith |
12/29/1981 | US4308163 Novel yellow azo dyes and dichroic liquid crystal composition made therewith |
12/29/1981 | US4308162 Novel yellow azo dyes and dichroic liquid crystal compositions made therewith |
12/29/1981 | US4308161 Novel yellow azo dyes and dichroic liquid crystal compositions made therewith |
12/08/1981 | US4304683 Composition for liquid crystal color display element |
11/24/1981 | US4302352 Fluorophenylcyclohexanes, the preparation thereof and their use as components of liquid crystal dielectrics |
11/17/1981 | US4301023 Cholesteric compositions |
11/10/1981 | US4299720 Liquid crystal mixture |
11/03/1981 | US4298528 Cyclohexyl-dioxane liquid crystalline compounds |
10/28/1981 | EP0038460A1 Liquid crystal materials comprising anthraquinone dyes |
10/27/1981 | US4297515 Polarity; dissolving dopes or dichroitic dyes |
10/27/1981 | US4296631 And method of modifying the hysteretic behavior |
10/21/1981 | EP0037902A1 Liquid crystal display element |
10/06/1981 | US4293698 4-/p-alkylbenzoyloxy/pyridine oxide |
10/06/1981 | US4293435 Liquid-crystalline polymer phase having a cholesteric structure, processes for its preparation and its use |
10/06/1981 | US4293434 Containing dyes and an aromatic ester compound having a cyclohexane ring |
10/06/1981 | US4293193 Amine-substituted liquid crystal compositions |
10/06/1981 | CA1110352A1 Azine liquid crystal compounds for use in light- control devices |
10/06/1981 | CA1110052A1 Composition for liquid crystal thermometry |
09/30/1981 | EP0036678A1 Liquid crystal display device |
09/29/1981 | US4291948 Liquid crystal display incorporating positive and negative smectic material |
09/22/1981 | US4290905 Ester compound |
09/15/1981 | CA1108838A1 Method of pulverizing cholesteric type liquid crystals |
09/09/1981 | EP0035155A1 Trans-4"-alkylcyclohexyl esters of 4'-(2-methylbutyl)-4-biphenylcarboxylic acid and liquid crystal compositions containing same |
09/08/1981 | US4288147 Liquid crystal and dichroic dye; improved contrast |
09/02/1981 | EP0034832A1 Liquid crystal with an incorporated pleochroic anthraquinone dyestuff and its use |
09/01/1981 | US4287085 (2'-Cyano-4'-alkylphenyl)-3-cyano-4-alkoxybenzoates and liquid crystal composition including same |
08/26/1981 | EP0034350A1 Ester derivatives of 4-fluorophenol and liquid crystal compositions containing same |
08/26/1981 | EP0034326A1 Chiral polysiloxanes, process for their preparation and their use |
08/26/1981 | EP0034298A2 Thermometric compositions for measuring and indicating low temperatures and related thermometric devices |
08/25/1981 | US4285829 Liquid-crystalline dielectric |
08/19/1981 | EP0033947A2 Liquid crystal display element |
08/12/1981 | EP0033334A1 Display device with dynamic internal polarizer |