Patents for C09K 19 - Liquid crystal materials (21,026)
12/1991
12/27/1991EP0462243A1 Matrix liquid crystal display.
12/27/1991EP0462237A1 1,2-disubstituted 2,6-difluorobenzene compounds and liquid crystal media.
12/27/1991EP0462156A1 Optically active dioxolanylacrylic and dioxolanylpropionic acid esters containing a mesogenic residue, a process for manufacturing them and their use as doping agents in liquid crystal mixtures.
12/27/1991EP0285617B1 Liquid crystal phase
12/26/1991WO1991020012A1 Process for producing liquid-crystal cells
12/26/1991WO1991019773A1 Fluorine-containing acrylate and methacrylate side-chain liquid crystal monomers and polymers
12/26/1991WO1991019772A1 Liquid crystalline medium
12/26/1991WO1991019695A2 Liquid crystal thiol compounds
12/26/1991WO1991015555A3 Nematic liquid crystal mixtures and a matrix liquid crystal display
12/26/1991CA2064875A1 Liquid crystal thiol compounds
12/26/1991CA2045325A1 Carboxylic acid ester compound, liquid crystal compound, liquid crystal composition, liquid crystal element and light modulation method
12/24/1991US5075032 Smectic liquid-crystalline phases
12/24/1991US5075031 Prevent reverse domain
12/24/1991US5075030 Liquid crystal composition and liquid crystal device using same
12/19/1991DE4119385A1 Optical element contains liq. crystal compsn. - comprises polymer with mesogenic Gps. in side chains, forms alpha-helix structure
12/18/1991EP0461620A1 Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method
12/18/1991CN1015110B Improvements to liquid crystal light-modulating materials
12/17/1991US5073306 Trifluoromethylalkyl substituted
12/17/1991US5073294 Process of preparing compositions having multiple oriented mesogens
12/17/1991CA2044549A1 New light polarizing films or foils and dyes for their production
12/17/1991CA1293316C Fluorescent colored encapsulated liquid crystal apparatus using enhanced scattering
12/12/1991WO1991019286A1 Process for activating a ferroelectric liquid crystal display
12/12/1991DE4018651A1 Fluessigkristallines medium Fluessigkristallines medium
12/12/1991DE4018229A1 New 1,4,5,8-tetra:amino anthraquinone dyestuff cpds. - are used in liquid crystal polymer prodn.
12/11/1991EP0460703A1 Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method
12/11/1991EP0460624A2 Liquid crystal composition, liquid crystal device, display apparatus and display method
12/11/1991EP0460504A1 Dichroic azo dyes
12/11/1991EP0460496A1 Tetra-amino-anthraquinone dyes
12/11/1991EP0460436A2 Supertwist liquid-.crystal display
12/11/1991EP0460434A2 Liquid crystal medium
12/11/1991EP0220297B1 Nitrogen-containing heterocycles
12/10/1991US5072021 Liquid crystals
12/10/1991US5071589 Liquid-crystalline mixtures, in particular ferroelectric liquid-crystalline mixtures
12/10/1991US5071588 Liquid-crystalline mixture containing an azulenesquaric acid dye
12/04/1991EP0459406A1 Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method
12/04/1991EP0459281A2 Method for making a microencapsulated liquid crystal
12/04/1991CN1056753A Ferroelectric liquid crystal display with high contrast and high brightness
12/03/1991US5069814 Benzoic acid derivative having a large positive dielectric anisotropy value
11/1991
11/27/1991EP0458347A2 Liquid crystal composition and display device using same
11/27/1991EP0458320A1 Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method
11/27/1991EP0458176A1 Bicyclohexyl derivatives
11/27/1991EP0458087A2 A ferroelectric liquid crystal composition
11/27/1991EP0457878A1 Phenyldioxanes
11/26/1991US5068462 Fluorine-substituted compound containing ether bond and intermediate thereof
11/26/1991US5068389 Tertiary alcohols
11/26/1991US5068352 Bisimidodiphenol derivatives
11/26/1991US5068054 Aromatic compounds with esters, thioesters and ethers for electrooptical apparatus
11/26/1991US5068053 Liquid crystals for optical apparatus
11/26/1991US5067797 Liquid crystal display cell and process for producing the same
11/21/1991EP0457105A1 Chiral dioxanes as components of liquid crystal mixtures
11/21/1991EP0456793A1 Halophenyl substituted heterocyclic derivatives.
11/21/1991EP0423311A4 Wholly aromatic polyester fiber-reinforced high performance thermoplastic and process for preparing same
11/21/1991DE4016131A1 Bi:cyclic lactone derivs. - useful as components of liq. crystal media for electro=optical displays
11/21/1991DE4016130A1 New 4-alkoxyalkyl phenyl:cyclohexane(s) - used as components of liq. crystal media for electro=optical displays
11/21/1991DE4015681A1 Partly-fluorinated 1,2-di:substd. ethylene(s) - useful as components of liq. crystal media for electro-optical displays
11/19/1991US5066750 Vinyl ester resins containing mesogenic/rigid rodlike moieties
11/19/1991US5066107 Liquid crystal display medium, liquid crystal display method and liquid crystal display apparatus for outputting color images
11/14/1991WO1991017135A1 Phenyl cyclohexanes and liquid crystal medium
11/14/1991WO1991017134A1 Phenyl cyclohexanes and liquid cristal medium
11/14/1991DE4014882A1 Polyfunctional poly-organo-siloxane(s) - by low-temp. nitration of poly-methyl-phenyl-siloxane(s), and conversion of nitro gps. into other functional gp(s)
11/14/1991DE4014488A1 Novel dioxa:borinane(s) - for use in liq. crystal media for optical displays
11/13/1991EP0456235A2 Chiral smectic liquid crystal composition, liquid crystal device, display apparatus and display method
11/12/1991US5064569 Liquid crystals, chirally tilted, phenyl carboxylates
11/12/1991US5064568 Ferroelectric liquid crystal composition
11/12/1991US5064567 Fluorophenyl cyclohexanes
11/12/1991US5064566 Chirally tilted, pyrimidines, pyridines, or pyrazines, stability
11/12/1991US5064565 Cyclohexenylethane compound
11/12/1991US5064564 Optically active compound, intermediate therefor, process for producing the intermediate, and liquid-crystal composition
11/07/1991DE4112001A1 Liq. crystalline medium with high resistance and low threshold voltage
11/06/1991EP0455219A1 Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method
11/05/1991US5062990 Discotic octasubstituted tetrapyrazinotetraazaporphyrazines
11/02/1991WO1991017137A1 Novel monomers and process to synthesize liquid crystalline polyesters
11/02/1991CA2082830A1 Monomers and process to synthesize liquid crystalline polyesters
10/1991
10/31/1991WO1991016401A1 Liquid crystalline medium
10/31/1991WO1991016400A1 Liquid crystalline medium
10/31/1991WO1991016399A1 Liquid crystalline medium
10/31/1991WO1991016398A1 Liquid crystalline medium
10/31/1991WO1991016397A1 Liquid crystalline medium
10/31/1991WO1991016396A1 Liquid crystalline medium
10/31/1991WO1991016395A1 Liquid crystalline medium
10/31/1991WO1991016394A1 Liquid crystalline medium
10/31/1991WO1991016393A1 Liquid crystalline medium
10/31/1991WO1991016392A1 Liquid crystalline medium
10/31/1991WO1991016321A1 1,3-dioxane derivates and liquid crystal medium
10/31/1991WO1991016291A1 Phenyl cyclohexanes and liquid crystalline medium
10/31/1991WO1991013947A3 Liquid crystalline medium
10/31/1991WO1991013125A3 Colourant
10/31/1991DE4113342A1 New 2,5-di:substd. 1,3-dioxan cpds. with (phenyl-)cyclohexyl gp. - are components of liq. crystal media for twisted cell devices, with high stability, good solubility, etc.
10/31/1991DE4113310A1 New 1-haloalkyl 4-fluoro opt.-phenyl-cyclohexane cpds. - are components of liq. crystal media for twisted cell devices with high stability, good solubility, etc.
10/31/1991DE4111028A1 New fluoro-substd. phenyl-cyclohexane derivs. - are components of liq. crystal media for twisted cell devices, with good solubility, high stability, etc.
10/31/1991DE4108705A1 New halogenated tetra:cyclic benzene derivs. - and use in liq. crystal media for electro=optical recording
10/30/1991EP0454157A1 Alkylphenylalkylpyrimidine compound and liquid crystal composition containing the same
10/30/1991EP0453966A2 Ferroelectric liquid crystal display with high contrast and high brightness
10/30/1991EP0453958A2 Flat shaped article and process for its manufacture
10/30/1991CN1055823A Process for production of impact-resistant liquid crystal switching and display device
10/30/1991CN1055755A Ionophore-containing ferroelectric liquid crystal mixtures
10/30/1991CN1055754A Use of macrocyclic compounds as component for ferroelectric liquid crystal mixtures
10/29/1991US5061814 High tilt ferroelectric liquid crystal compounds and compositions
10/29/1991US5061400 Wide temperature range, high response speed, low driving voltage
10/29/1991US5061399 Optically active naphthalene compounds and liquid crystal materials and devices incorporating them