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Class Information
Number: 252/299.61
Name: Compositions > Liquid crystal compositions > Containing nonsteryl liquid crystalline compound of specified structure > Including heterocyclic ring
Description: Compositions wherein the liquid crystal compound has a ring of three or more members, at least one of which is carbon and one or more members selected from nitrogen or chalcogen.










Patents under this class:

Patent Number Title Of Patent Date Issued
5389291 3,6-disubstituted 2-halopyridines Feb. 14, 1995
5389292 Difluoromethyl compounds Feb. 14, 1995
5389293 Optically active benzene derivatives, process for producing the same and liquid-crystalline composition containing said derivatives as liquid-crystalline compound and light switching elements Feb. 14, 1995
5389296 Liquid crystal composition and liquid crystal device containing same Feb. 14, 1995
5387371 Ferroelectric liquid-crystalline media, and their use in electro-optical devices Feb. 7, 1995
5385692 Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method Jan. 31, 1995
5384070 Use of optically active tetrahydrofuran-2-carboxylic acid esters as dopants in liquid-crystal mixtures, liquid-crystal mixtures containing same and novel optically active tetrahydrofuran-2-car Jan. 24, 1995
5382380 P-terphenyl derivatives and liquid crystalline compositions Jan. 17, 1995
5380460 Ferroelectric liquid crystal compounds containing chiral haloalkoxy tail units and compositions containing them Jan. 10, 1995
5380461 Trans-dihalogenostilbene compounds and liquid crystal electro-optical devices using them Jan. 10, 1995
5380462 Cyclohexyl alkenoate compounds Jan. 10, 1995
5378392 Antiferroelectric liquid crystal composition Jan. 3, 1995
5378393 Glassy chiral nematic liquid crystalline compositions of low molar mass and optical devices formed from same Jan. 3, 1995
5378394 Ferroelectric liquid-crystalline mixtures Jan. 3, 1995
5374371 Liquid crystal device Dec. 20, 1994
5374373 Ferroelectric liquid crystal device Dec. 20, 1994
5374374 Supertwist liquid-crystal display Dec. 20, 1994
5372746 Fluoro-substituted tolane compounds and liquid crystalline mixtures containing same Dec. 13, 1994
5370819 Conjugated enyne derivative and liquid crystal composition Dec. 6, 1994
5370821 Optically active compounds, liquid crystal compositions comprising said compounds, and liquid crystal optical modulators using said compositions Dec. 6, 1994
5370823 Pyrimidinecyclohexane derivatives, process for their preparation, and their use in liquid-crystalline mixtures Dec. 6, 1994
5366657 Geminal dimethylalkyl compounds, process for their preparation and their use in liquid-crystalline mixtures Nov. 22, 1994
5366659 Ferroelectric liquid crystals containing pyrimidine and chiral compounds and liquid crystal compositions containing the same Nov. 22, 1994
5364556 Halovinyl-derivatives Nov. 15, 1994
5360576 Chiral alkenylaryl 2,3-epoxyalkyl ethers, and the use thereof in liquid-crystalline mixtures Nov. 1, 1994
5360577 Oxaxoline derivatives Nov. 1, 1994
5356558 Tolane derivatives, liquid crystal compositions containing the derivatives and liquid crystal display devices using the compositions Oct. 18, 1994
5356559 Optically active piperazinyl derivatives as liquid crystals Oct. 18, 1994
5356560 2-fluoroperfluoroalkylcyclohexene derivatives Oct. 18, 1994
5356563 Liquid crystalline mixtures having a chiral tilted smectic phase Oct. 18, 1994
5354500 Optically active carboxylic esters of oxygen-containing heterocycles as doping substances in liquid crystal mixtures and liquid crystal mixtures containing them Oct. 11, 1994
5354501 Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method Oct. 11, 1994
5354502 1,3-dioxane derivative and liquid crystal compositions containing it Oct. 11, 1994
5352381 Liquid crystal thiol compounds Oct. 4, 1994
5348677 Electro-optical liquid crystal display element Sep. 20, 1994
5348684 Organosilylalkyl or organosilylalkenyl compounds, process for preparing them and their use in liquid-crystalline mixtures Sep. 20, 1994
5348685 Ferroelectric liquid crystal composition Sep. 20, 1994
RE34726 Ferroelectric liquid crystal compositions containing chiral haloalkoxy tail units Sep. 13, 1994
5346647 Cyclohexane compounds used in liquid crystalline mixtures Sep. 13, 1994
5344585 Use of 4-fluoropyrimidine derivatives as component for ferroelectric liquid crystal mixtures Sep. 6, 1994
5340497 Fluorophenylpyrimidines Aug. 23, 1994
5338482 Liquid crystalline compounds, liquid crystal compositions containing the same and use thereof Aug. 16, 1994
5338483 Anisotropic compounds having nematic phase and liquid crystal mixtures Aug. 16, 1994
5336435 High polymer and ferroelectric liquid crystal composition utilizing same Aug. 9, 1994
5336436 Optically active oxirane derivatives, and their use as dopes in liquid-crystal mixtures Aug. 9, 1994
5334328 Chiral azetidinone derivatives, and their use as dopes in liquid-crystal mixtures Aug. 2, 1994
5328637 Alkinyl-derivatives and their use in liquid crystalline mixtures Jul. 12, 1994
5328638 Optically active esters of 5-ethyl- and 5-vinyl-1,3-dioxolane-4-carboxylic acid, their use as doping substances in liquid crystal mixtures and the liquid crystal mixtures containing the ne Jul. 12, 1994
5328639 Fluoroalkane derivative, its composition and liquid crystal device using the same Jul. 12, 1994
5328640 Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same Jul. 12, 1994











 
 
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