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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
6793983 Liquid crystal medium Sep. 21, 2004
6793985 Liquid crystalline medium and liquid crystal display Sep. 21, 2004
6790488 Liquid-crystalline medium Sep. 14, 2004
6790489 Liquid-crystalline medium Sep. 14, 2004
6787201 Liquid crystal composition and liquid crystal light modulating apparatus Sep. 7, 2004
6783812 Alkyl silane liquid crystal compounds Aug. 31, 2004
6780477 Liquid crystalline compounds Aug. 24, 2004
6761938 Electro-optical liquid-crystal display and liquid-crystal medium Jul. 13, 2004
6761939 Liquid crystalline medium and liquid crystal display Jul. 13, 2004
6759101 Liquid crystalline materials containing perfluoroalkyl and alkenyl tail groups Jul. 6, 2004
6759103 Fluorinated cyclopenta[b]naphthalenes and their use in liquid-crystal mixtures Jul. 6, 2004
6753045 TN and STN liquid-crystal displays Jun. 22, 2004
6749907 Electro-optical liquid-crystal display Jun. 15, 2004
6746729 Liquid crystal compounds Jun. 8, 2004
6746731 Ferroelectric active matrix displays with wide operating temperature range Jun. 8, 2004
6740256 Chiral swallow-tailed liquid crystal and its fabrication method May. 25, 2004
6737124 Liquid crystal compounds having a silane tail with a perfluoroalkyl terminal portion May. 18, 2004
6737125 Fluorinated cyclopenta[a]naphthalenes and their use in liquid-crystal mixtures May. 18, 2004
6733690 Laterally substituted curable liquid crystals May. 11, 2004
6730242 Glass-forming liquid crystalline compositions and optical devices formed therefrom May. 4, 2004
6730372 Liquid-crystalline medium May. 4, 2004
6726966 Process for vertical alignment of rod-like liquid crystal molecules Apr. 27, 2004
6727023 Electrolyte composition, electrochemical cell and ionic liquid crystal monomer Apr. 27, 2004
6723395 Chiral compounds Apr. 20, 2004
6716491 Liquid-crystalline medium Apr. 6, 2004
6712992 Liquid-crystalline composition of matter Mar. 30, 2004
6703083 Silicon compound, liquid crystal composition and liquid crystal display Mar. 9, 2004
6699533 Stabilized liquid crystal alignment structure with pre-tilt angle and display devices containing the same Mar. 2, 2004
6695978 Mono-, oligo- and polymers of benzo[b]thiophene and 2,2'-bisbenzo[b]thiophene and their use as charge transport materials Feb. 24, 2004
6695979 Liquid crystalline medium and liquid crystal display Feb. 24, 2004
6696110 Liquid crystalline alkenyl compounds incorporating an heterocyclic five-membered ring Feb. 24, 2004
6696111 Liquid-crystalline medium Feb. 24, 2004
6692657 Alkenyl compound having a negative .DELTA..epsilon. value, liquid crystal composition, and liquid crystal display device Feb. 17, 2004
6689290 Family of conducting liquid crystals Feb. 10, 2004
6685995 Ester compounds, liquid crystal compositions and liquid crystal display devices Feb. 3, 2004
6685996 Liquid-crystalline medium Feb. 3, 2004
6682661 Electrooptical liquid crystal system Jan. 27, 2004
6676851 Laterally substituted curable liquid crystals Jan. 13, 2004
6676857 Mono-, oligo- and poly-4-fluorothiophenes and their use as charge transport materials Jan. 13, 2004
6677003 Liquid-crystalline medium Jan. 13, 2004
6673267 Phenylacetylene compound, liquid crystal composition, polymer, optically anisotropic product, and liquid crystal or optical element Jan. 6, 2004
6669998 Liquid-crystalline medium Dec. 30, 2003
6666989 Liquid crystal polymer devices and materials Dec. 23, 2003
6660344 Polymerizable liquid crystalline dioxetanes, their preparation and use Dec. 9, 2003
6660345 Thermochromic liquid crystalline medium Dec. 9, 2003
6656385 Functionalized cubic liquid crystalline phase materials and methods for their preparation and use Dec. 2, 2003
6649227 Difluorovinyl compound, liquid crystal composition and liquid crystal display Nov. 18, 2003
6649228 Liquid-crystal medium, and electro-optical liquid-crystal display Nov. 18, 2003
6645397 Liquid crystal composition, color filter and optical film Nov. 11, 2003
6645401 Conjugated copolymers of dithienothiophene with vinylene or acetylene Nov. 11, 2003

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