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
6067130 Ferroelectric liquid crystal composition and liquid crystal display device May. 23, 2000
6063456 STN liquid-crystal display May. 16, 2000
6059994 Liquid crystal compositions May. 9, 2000
6060133 Polysiloxanes May. 9, 2000
6056893 Dopants May. 2, 2000
6056894 TN and STN liquid-crystal display May. 2, 2000
6057007 Tristable liquid crystal display device May. 2, 2000
6057038 Substrate for use in display element, method of manufacturing the same, and apparatus for manufacturing the same May. 2, 2000
6054193 Supertwist liquid-crystal display Apr. 25, 2000
6051288 Fluorine-substituted liquid-crystal compound, liquid-crystal composition and liquid-crystal display device Apr. 18, 2000
6045720 Pyridine compound and liquid crystalline composition Apr. 4, 2000
6045878 Electro-optical liquid-crystal display Apr. 4, 2000
6030546 Trans-olefin compounds, method for production thereof, liquid crystal composition containing the same as active ingredient, and liquid crystal element using said composition Feb. 29, 2000
6030668 Liquid crystal polymers Feb. 29, 2000
6027665 Electro-optical liquid-crystal display Feb. 22, 2000
6028655 TN and STN liquid-crystal display Feb. 22, 2000
6022492 Difluorophenyl pyrimidyl pyridine derivatives and the use thereof in liquid crystal mixtures Feb. 8, 2000
6019911 Polycyclic compound, liquid crystal material consisting of the polycyclic compound, liquid crystal composition comprising the liquid crystal material, and liquid crystal element Feb. 1, 2000
6017467 Propiolonitrile derivatives and liquid crystal compositions comprising the same Jan. 25, 2000
6015508 Liquid crystalline compounds containing hydrocarbon groups, liquid crystalline compositions, and liquid crystal display elements Jan. 18, 2000
6010641 Liquid crystal polymer devices and materials Jan. 4, 2000
6010642 Azine derivative, process for the preparation thereof, nematic liquid crystal composition and liquid crystal display system comprising same Jan. 4, 2000
6010643 Cholesteric polymer network Jan. 4, 2000
6007737 Liquid crystal compositions Dec. 28, 1999
6007739 Liquid crystal compound, liquid crystal composition, and liquid crystal display device using the same Dec. 28, 1999
6007740 Polyhaloalkyl ether derivatives as well as liquid crystal compositions and liquid crystal display elements containing them Dec. 28, 1999
6004478 Silacyclohexane compounds, preparation thereof, liquid crystal compositions comprising the same, and liquid crystal devices comprising the composition Dec. 21, 1999
6001275 Liquid-crystalline compound having dienyl moiety and liquid-crystal composition Dec. 14, 1999
5997766 Halovinyloxy-substituted dioxane derivatives Dec. 7, 1999
5998499 Liquid crystalline (meth)acrylate compounds, composition and method Dec. 7, 1999
5993691 Electro-optical liquid crystal display Nov. 30, 1999
5989452 Fluoroalkenyl derivative and liquid crystal composition Nov. 23, 1999
5980778 Liquid crystal composition and liquid crystal display element comprising the same Nov. 9, 1999
5976404 Supertwist liquid-crystal display Nov. 2, 1999
5976407 Electro-optical liquid-crystal display Nov. 2, 1999
5976408 Acrylonitrile derivative, liquid crystal composition, and liquid crystal display device Nov. 2, 1999
5972240 Liquid crystal composite material and liquid crystal display device(s) which use them Oct. 26, 1999
5972241 Liquid crystal compounds having a chiral fluorinated terminal portion Oct. 26, 1999
5968410 Fluorocyclohexane derivatives, and liquid-crystalline medium Oct. 19, 1999
5968411 Liquid crystal polymers Oct. 19, 1999
5969154 Liquid crystalline diketopyrrolopyrroles Oct. 19, 1999
5965059 Optically active compound, antiferroelectric liquid crystal composition containing the same, process for producing the same and process for producing an optically active carboxylic acid Oct. 12, 1999
5965060 Electro-optical liquid crystal display Oct. 12, 1999
5961880 1,3-dioxane derivatives having axial fluorine substitution Oct. 5, 1999
5958290 Electrooptical liquid crystal system Sep. 28, 1999
5955000 Chiral compounds Sep. 21, 1999
5955001 Antiferroelectric liquid crystal composition and liquid crystal indicating element Sep. 21, 1999
5951913 Liquid crystal compositions comprising silacyclohexane compounds Sep. 14, 1999
5948317 Liquid crystal composition, liquid crystal device using the composition, liquid crystal apparatus and display method Sep. 7, 1999
5932138 Benzene derivatives, and liquid-crystalline medium Aug. 3, 1999

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










 
 
  Recently Added Patents
Detection of procedural deficiency across multiple business applications
Automated gate system
Translation system adapted for query translation via a reranking framework
Apparatus and method for providing vehicle data for testing product
System and method for backup communication over ethernet
Methods and compositions for improving photodynamic therapy through administration of lipids
Control system of substrate processing apparatus, collecting unit, substrate processing apparatus and control method of the substrate processing apparatus
  Randomly Featured Patents
Refuse container body
Leg-support for making restrained-object X-ray photographs of the knee joint
Ultra-wideband low noise amplifier and amplification method thereof
Communication with a steering wheel switch
Deposition method and manufacturing method of light-emitting device
Mixed cell diagnostic systems
Heating element suitable for electric space heaters
Method and apparatus for electronic power control
Classifying write commands into groups based on cumulated flush time
Power amplifier capable of simultaneous operation in two classes