Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Material Science
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:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next

Patent Number Title Of Patent Date Issued
6641871 Liquid-crystal compound, liquid-crystal medium comprising same, and electro-optical liquid-crystal display Nov. 4, 2003
6641872 Liquid crystal composition and liquid crystal display element Nov. 4, 2003
6638581 Liquid-crystal medium, and electro-optical display containing the medium Oct. 28, 2003
6635190 Liquid-crystalline medium Oct. 21, 2003
6632484 Dialkyne compounds Oct. 14, 2003
6630076 Liquid crystalline compounds Oct. 7, 2003
6630210 Pentafluorosulfuranylbenzene derivatives Oct. 7, 2003
6620467 Liquid crystal display Sep. 16, 2003
6620468 Dioxane derivatives, and liquid-crystalline medium Sep. 16, 2003
6616989 Isoxazole derivatives, and their use in liquid-crystalline mixtures Sep. 9, 2003
6616990 Chiral 1, 3-dioxane compounds Sep. 9, 2003
6613401 Liquid-crystalline medium Sep. 2, 2003
6610216 OPTICALLY ACTIVE COMPOUND, PHOTOREACTIVE CHIRAL AGENT, LIQUID CRYSTAL COMPOSITION, METHOD FOR CHANGING HELICAL STRUCTURE OF LIQUID CRYSTAL, METHOD FOR FIXING HELICAL STRUCTURE OF LIQUID CRYSTA Aug. 26, 2003
6607791 Liquid crystal composition Aug. 19, 2003
6605323 Monostable ferroelectric active matrix display Aug. 12, 2003
6602563 Liquid crystal display Aug. 5, 2003
6599590 Fluoro-substituted alkenyl compounds, liquid crystal compositions, and liquid crystal display elements Jul. 29, 2003
6596193 Electrooptical liquid crystal system Jul. 22, 2003
6596350 Liquid-crystalline medium Jul. 22, 2003
6592951 Liquid-crystalline medium Jul. 15, 2003
6589445 LIGHT-REACTION TYPE OPTICALLY ACTIVE COMPOUND, LIGHT-REACTION TYPE CHIRAL AGENT, LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL COLOR FILTER, OPTICAL FILM, RECORDING MEDIUM, AND METHOD OF CHANGING Jul. 8, 2003
6582782 Electro-optical liquid crystal display Jun. 24, 2003
6576303 Liquid crystal compounds exhibiting negative anisotropy of permittivity Jun. 10, 2003
6572938 Liquid crystal composition and liquid crystal display device Jun. 3, 2003
6569356 Chiral compounds and their use as doping agents in liquid crystals May. 27, 2003
6569504 Mesogenic materials with anomalous birefringence dispersion and high second order susceptibility (X(2)) May. 27, 2003
6565933 Liquid-crystalline medium May. 20, 2003
6558572 Glass-forming liquid crystalline compositions and optical devices formed therefrom May. 6, 2003
6558758 Liquid crystal composition and liquid crystal display element May. 6, 2003
6551668 Monostable ferroelectric active matrix display Apr. 22, 2003
6551669 Monostable ferroelectric liquid crystal display apparatus Apr. 22, 2003
6548126 2,3-difluorophenyl derivative having negative dielectric anisotropy, liquid crystal composition, and liquid crystal display device Apr. 15, 2003
6544602 Supertwist liquid-crystal displays and liquid-crystal mixtures therefor Apr. 8, 2003
6544604 Liquid crystalline compound having difluoropropyleneoxy group as bonding group, liquid crystal composition and liquid crystal display element Apr. 8, 2003
6534135 Process of preparing discotic liquid crystalline compounds Mar. 18, 2003
6527977 Liquid crystalline filter dyes for imaging elements Mar. 4, 2003
6514578 Polymerizable mesogenic tolanes Feb. 4, 2003
6514579 TN and STN liquid crystal displays Feb. 4, 2003
6511719 Chiral compounds Jan. 28, 2003
6500503 Cyclohexane derivatives, liquid crystal compositions comprising the same and liquid crystal display devices Dec. 31, 2002
6497828 Nematic liquid-crystal composition Dec. 24, 2002
6495067 Liquid crystal compound, liquid crystal mixture or composition, electrolyte comprising the same, electrochemical cell and photo-electrochemical cell containing the electrolyte Dec. 17, 2002
6495217 Chiral compounds Dec. 17, 2002
6491989 Fluorinated naphthalene derivatives and their use in liquid crystal mixtures Dec. 10, 2002
6485797 5-Arylindane derivatives and ferroelectric liquid crystal mixture containing same Nov. 26, 2002
6485799 Aniline derivatives, liquid-crystal composition containing the same, and liquid-crystal display element Nov. 26, 2002
6482479 Active matrix displays having high contrast values Nov. 19, 2002
6475595 Fluorocyclohexene derivatives, and liquid-crystalline medium Nov. 5, 2002
6465059 Liquid-crystalline medium Oct. 15, 2002
6465060 Tetrahydrothiophene derivatives, and their use in liquid-crystalline mixtures Oct. 15, 2002

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next










 
 
  Recently Added Patents
Antimicrobial flush solutions
Systems and methods for programming an RFID reader
Lubricant composition and antioxident composition
Method for configuring analog-to-digital converter keys and non-transitory machine readable medium storing program code executed for performing such method
Bipolar junction transistor with a self-aligned emitter and base
Direct converting apparatus, method for controlling the same, and control signal generation device
User interfaces
  Randomly Featured Patents
Space-time multipath searcher
Mobile station, wireless communication system and method of operation
System and method for providing information, and recording medium
Water walkers
Direct laser imaging system
Methods and apparatus for efficiently managing the storage of email message information for a mobile station
Method and apparatus for providing service to VODSL derived telephone lines during power interruptions
Lineal count recorder
Chain cover apparatus for engine
Reaction assembly for a torque converter and a torque converter comprising such a reaction assembly