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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:
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Patent Number Title Of Patent Date Issued
5928562 Process for controlling cone tilt angle in mixtures of smectic liquid crystal compounds Jul. 27, 1999
5919396 Electro-optical liquid-crystal display Jul. 6, 1999
5914071 Difluoroethylene compounds and liquid crystal compositions containing them Jun. 22, 1999
5911912 Halovinyl ethers Jun. 15, 1999
5911913 1-fluoroisoquinoline derivatives and the use thereof in liquid crystalline mixtures Jun. 15, 1999
5888421 Anisotropic organic compounds Mar. 30, 1999
5888423 Fluorobenzyl ether derivatives Mar. 30, 1999
5886242 Polymerizable, chiral compounds and their use Mar. 23, 1999
5879585 Liquid crystalline compound having alkynyl group, and liquid crystal compositions and liquid crystal display device therefrom Mar. 9, 1999
5876626 Supertwist liquid crystal display Mar. 2, 1999
5876627 Dichroic dye liquid crystal composition containing the dye, and liquid-crystal element Mar. 2, 1999
5876628 Compounds for use in liquid-crystal composition Mar. 2, 1999
5874022 Liquid crystal composition and liquid crystal display device Feb. 23, 1999
5874023 1-Fluoro-6,7-dihydro-5H-isoquinolin-8-one derivatives and the use in liquid crystalline mixtures Feb. 23, 1999
5871665 Electrooptical liquid crystal system Feb. 16, 1999
5872301 Bifunctional precursors for the preparation of liquid crystals Feb. 16, 1999
5868960 Mesomorphic compound, liquid crystal composition containing the compound, liquid crystal device using the composition, liquid crystal apparatus and display method Feb. 9, 1999
5868961 Silacyclohexane compound, a method of preparing it and a liquid crystal composition containing it Feb. 9, 1999
5868962 Liquid-crystalline medium Feb. 9, 1999
5866035 Liquid crystal mixture and liquid crystal device comprising the same Feb. 2, 1999
5866036 High tilt ferroelectric liquid crystal compounds and compositions Feb. 2, 1999
5866037 Liquid crystal compositions and liquid crystal display elements containing same Feb. 2, 1999
5863457 Polymerizable liquid crystal composition and optically anisotropic film comprising the same Jan. 26, 1999
5861109 Liquid crystal materials, mixtures and devices Jan. 19, 1999
5858270 Difluorooxymethane derivative and liquid crystal composition Jan. 12, 1999
5858271 Liquid crystal composition and liquid crystal display device Jan. 12, 1999
5858272 Phenyldioxane derivatives, liquid crystal compositions, and liquid crystal display elements Jan. 12, 1999
5858273 Liquid crystal device Jan. 12, 1999
5858275 Chlorobenzene derivative and liquid crystal composition containing the same Jan. 12, 1999
5855812 Compounds and process for controlling cone tilt angle in mixtures of smectic liquid crystal compounds Jan. 5, 1999
5853613 Chiral cyclohexyl compounds Dec. 29, 1998
5851424 Photo cross-linkable liquid crystalline 1,4-dioxane-2,3 diyl derivatives Dec. 22, 1998
5851425 Imidazothiazoles Dec. 22, 1998
5851426 Twisted nematic liquid crystal composition containing a silacyclohexane compound Dec. 22, 1998
5851427 Photocross-linkable naphthyl derivatives Dec. 22, 1998
5849216 Compounds for use in liquid-crystal mixtures Dec. 15, 1998
5849217 Optically active compound, liquid crystal composition containing the same, liquid crystal device using the same, liquid crystal apparatus and display method Dec. 15, 1998
5840208 Liquid crystal composition and liquid crystal display element Nov. 24, 1998
5837160 Chiral CLCPs containing colored monomers Nov. 17, 1998
5837161 Liquid crystal composition and liquid crystal display device Nov. 17, 1998
5834064 Effect coatings whose perceived color depends on the viewing angle Nov. 10, 1998
5830386 Optically active compound, liquid crystal composition, device, display apparatus and display method Nov. 3, 1998
5827448 Ferroelectric liquid crystal device Oct. 27, 1998
5820781 Naphthyl organic compounds Oct. 13, 1998
5820782 Optically active compound and antiferroelectric liquid crystal composition containing the same Oct. 13, 1998
5820783 Chiral compounds Oct. 13, 1998
5820785 Fluoroalkylethnyl- and difluoroalkylethynylbenzenes, and their use in liquid-crystal mixtures Oct. 13, 1998
5820786 Ferroelectric liquid crystal devices Oct. 13, 1998
5814141 Liquid crystalline cellulose (ether) ethers as interferentially effective chromophoric substances Sep. 29, 1998
5811028 Optically active dihydropyran derivative, and liquid crystal composition, liquid crystal device, and racemic mixture comprising the derivative Sep. 22, 1998

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