| Patents for C09K 19 - Liquid crystal materials (21,026) |
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| 08/04/1981 | CA1106406A1 Liquid crystal compounds |
| 07/28/1981 | CA1105793A1 Venipuncture method and composition useful therein |
| 07/22/1981 | EP0032362A1 Chiral smectic liquid crystal electro-optical device and process of making the same |
| 07/21/1981 | US4279771 (2'-Cyano-4'-n-alkyl)phenyl-3-chloro-4-n-alkoxy benzoates and liquid crystal compositions thereof |
| 07/21/1981 | US4279770 Liquid crystal 2,3-dicyano-hydroquinone derivatives |
| 07/14/1981 | US4278328 Guest-host liquid crystal display device |
| 07/01/1981 | EP0031021A1 Tetrahydroquinazolines, process for their preparation, liquid crystalline dielectrics containing them and electro-optical display element |
| 06/24/1981 | EP0030879A1 Mixture of disc-like liquid crystals, electrooptical device using such a mixture and method for the orientation of the molecules in the mixture |
| 06/24/1981 | EP0030761A1 Anisotropic cyclohexyl ethers |
| 06/17/1981 | EP0030277A1 Partially hydrogenated oligo-1,4-phenylenes, dielectrics containing them and electro-optical indicating device |
| 06/16/1981 | US4273929 Heterocyclic compounds |
| 06/16/1981 | US4273420 Liquid crystal display device |
| 06/10/1981 | EP0029959A2 Liquid crystalline phase of a reactive azo dyestuff and its use in dyeing and printing natural and synthetic substrates |
| 06/10/1981 | EP0029958A2 Liquid crystalline phase of a reactive azo dyestuff and its use in dyeing and printing natural and synthetic substrates |
| 06/09/1981 | US4272162 Guest-host liquid crystal display device |
| 06/02/1981 | US4270841 Light valve containing suspension of perhalide of alkaloid acid salt |
| 05/27/1981 | EP0029162A1 Compositions presenting liquid-crystal phases, process for their production and their use |
| 05/13/1981 | EP0028520A1 Improved liquid crystal compositions for multiplexed displays |
| 05/13/1981 | EP0028519A1 Liquid crystal compositions for multiplexed displays |
| 05/05/1981 | US4265784 Azine liquid crystal compounds for use in light-control devices |
| 04/28/1981 | US4264148 Liquid crystal display devices having an induced cholesteric phase |
| 04/21/1981 | CA1099809A1 Electro-optic display methods |
| 04/14/1981 | US4261652 Liquid crystal compounds and materials and devices containing them |
| 04/14/1981 | US4261651 Liquid crystal compounds |
| 04/07/1981 | CA1099040A1 Photoconductor control of electro-optically variable display cell |
| 04/02/1981 | WO1981000853A1 Liquid crystal material with low value of optical anisotropy and method of making it |
| 04/01/1981 | EP0026004A1 Liquid crystals mixture |
| 04/01/1981 | EP0025809A1 Liquid crystals mixture |
| 03/24/1981 | US4257911 Liquid crystal materials |
| 03/24/1981 | US4257910 Liquid crystal of diester type exhibiting a smectic phase, with low frequency of dielectric isotropy, and display device utilizing this crystal |
| 03/24/1981 | US4257682 Liquid crystal color display cell |
| 03/18/1981 | EP0025119A1 Nematic crystalline-liquid 5-alkyl-2-(4-acyloxyphenyl)-pyrimidines for opto-electronic arrangements and process for their preparation |
| 03/17/1981 | US4256656 Mesomorphous 4-alkoxytetrafluorobenzoic acid esters |
| 03/03/1981 | US4253740 Liquid crystal materials and devices containing them |
| 02/24/1981 | US4252417 Liquid crystal display |
| 02/19/1981 | WO1981000463A1 Display device with dynamic internal polarizer |
| 02/17/1981 | CA1096023A1 Fast turn-off nematic liquid optical devices |
| 02/11/1981 | EP0023730A1 Cyclohexylcyclohexanoates, process for their preparation and liquid-crystal mixture containing them |
| 02/11/1981 | EP0023728A1 Anisotropic compounds with negative or positive direct anisotropy and limited optical anisotropy, and liquid crystal mixtures containing them |
| 01/28/1981 | EP0022882A1 Anisotropic carboxylic-acid-4-cyclohexylphenyl esters and mixtures of liquid crystals containing them |
| 01/14/1981 | EP0022183A2 Derivatives of cyclohexylbiphenyl, process for their preparation, dielectrics containing them, and electron optical indicating elements |
| 12/23/1980 | US4240712 Thermo-optique smectic liquid-crystal storage display |
| 12/10/1980 | EP0019665A1 Liquid-crystal compositions |
| 12/02/1980 | US4237026 Liquid crystalline carboxylic acid esters |
| 11/26/1980 | EP0019060A1 Diketones, process for their preparation and their use as components of liquid-crystalline dielectrics |
| 11/25/1980 | US4235736 Liquid crystals for use in display systems |
| 11/25/1980 | CA1090372A1 Optically active cyano-biphenyl compounds and liquid crystal materials containing them |
| 11/11/1980 | US4232951 Display device for memory or temperature functions |
| 11/11/1980 | US4232950 Liquid crystal compositions including pleochroic dye |
| 11/11/1980 | US4232949 Liquid crystal compositions containing pleochroic dye |
| 10/28/1980 | US4230596 Electrooptics |
| 10/21/1980 | US4229367 Preparation of trans-4-alkyl-cyanoarylcyclohexanes |
| 10/21/1980 | US4229315 Liquid crystalline cyclohexane derivatives |
| 10/14/1980 | US4228087 Mesogenic products for liquid crystal cells |
| 10/14/1980 | US4228030 Liquid crystal compositions |
| 10/14/1980 | US4228029 High positive dielectric anisotropy, low viscosity |
| 10/14/1980 | US4227778 Liquid crystal material mixtures and devices incorporating such mixtures |
| 09/30/1980 | US4225454 Ortho-cyanophenyl biphenylcarboxylate liquid crystal esters and mixtures thereof |
| 09/16/1980 | US4222888 Liquid crystal materials containing a diphenylethane nucleus |
| 09/16/1980 | US4222887 Liquid crystal composition |
| 09/16/1980 | US4222636 Liquid crystal mixture and its application to optical modulation |
| 09/03/1980 | EP0014885A1 Cyclohexylpyrimidines, their preparation and use, as well as liquid crystals mixtures and electro-optical apparatuses containing these compounds and their preparation |
| 09/03/1980 | EP0014840A1 Fluorphenyl-trans-cyclohexanes, process for their preparation, liquid crystalline dielectrics containing them and electrooptical displaying means |
| 08/26/1980 | US4219256 Liquid crystal compounds and materials and devices containing them |
| 08/26/1980 | US4219255 Temperature compensated liquid crystal devices |
| 08/05/1980 | US4216109 Liquid crystal composition and method for making same |
| 07/29/1980 | CA1082706A1 Optically active compounds |
| 07/15/1980 | US4212762 Liquid crystal materials having a formula containing a diphenylethane nucleus |
| 07/09/1980 | EP0012820A1 Liquid crystalline carboxylic acid esters, process for their preparation, dielectrics containing them and electro-optical display device |
| 07/08/1980 | US4211666 Liquid crystal compounds |
| 07/08/1980 | US4211473 Liquid crystal display devices |
| 06/17/1980 | US4208106 Fluorescent dye, liquid crystal |
| 06/10/1980 | US4207252 For electrooptical display materials |
| 06/03/1980 | US4206071 Liquid crystal composition |
| 05/20/1980 | US4203862 Liquid crystal composition |
| 05/14/1980 | EP0011002A1 Organic mesomorphic compound whose chemical formula derives from a 4-alkoxy-tetrafluorobenzoic acid, and liquid crystal device using such a compound |
| 05/14/1980 | EP0010739A1 Light diffuser |
| 05/13/1980 | US4202791 Used as electrooptical display material |
| 04/29/1980 | US4200580 Dioxanylphenyl benzoate liquid crystal compounds |
| 04/15/1980 | US4198312 3'-Chloro-4'-cyanophenyl 4-n-alkylbenzoates |
| 04/15/1980 | US4198130 Liquid crystal mixtures |
| 04/08/1980 | US4196975 Azine liquid crystal compounds for use in light-control devices |
| 04/08/1980 | US4196974 Smectic liquid crystal display cell |
| 04/01/1980 | US4195916 Liquid crystal compounds |
| 03/19/1980 | EP0008956A1 Improvements in or relating to liquid crystal materials and devices |
| 03/11/1980 | US4192133 Electronic watch with means for producing pulse sound at selected intervals |
| 02/20/1980 | EP0008188A1 Liquid crystal compounds and materials and devices containing them |
| 02/06/1980 | EP0007574A1 Liquid-crystalline polymeric phase with a cholesteric structure, method for its preparation and its use |
| 01/08/1980 | US4182700 Elastomeric polyurethane film containing dispersed discrete aggregates of liquid crystal and method of making the same |
| 01/01/1980 | US4181625 Liquid crystalline cyclohexylcyclohexanes |
| 12/25/1979 | US4180475 Positive anisotropy of dielectric constants |
| 12/18/1979 | US4179395 Dichroic dyes having a plurality of azo bonding groups |
| 12/18/1979 | CA1068096A1 Liquid crystal composition |
| 12/12/1979 | EP0005793A1 Process for the preparation of trans-4-alkyl-cyanoarylcyclohexanes |
| 12/11/1979 | US4178302 Electrooptical display materials |
| 12/04/1979 | US4176918 Fluorescent liquid crystal display |
| 11/27/1979 | US4175543 Venipuncture method |
| 11/14/1979 | EP0005397A2 Liquid crystal with great negative dielectric anisotropy and electrooptical display device containing such a liquid crystal |
| 11/06/1979 | US4173545 Liquid crystal with high negative dielectric anisotropy and mixtures of the same with nematic liquid crystals for improving dynamic scattering in electro-optic devices |
| 11/06/1979 | US4173544 Novel alkylsubstituted N-benzylideneanilines and liquid crystal compositions containing same |