Patents for C09K 19 - Liquid crystal materials (21,026)
01/1978
01/03/1978US4066567 Liquid crystal cumulative dosimeter
12/1977
12/27/1977US4065489 Liquid crystals
12/13/1977US4062798 Phenylpyrimidine derivatives
12/06/1977US4061587 Liquid crystalline cinnamic acid esters
11/1977
11/15/1977US4058478 P-alkylbenzoic acid p'-cyanophenyl ester
11/15/1977US4058477 P-((p-alkylbenzyliden)amino)-benzonitrile
11/15/1977US4058476 Liquid crystalline isonitriles
11/15/1977US4058475 Liquid crystal compositions containing cyanocinnamic acid esters
10/1977
10/11/1977US4053431 Liquid crystalline biphenyls
09/1977
09/13/1977US4048089 4-valeryloxy or caproyloxy-4'-cyanobiphenyl, 4'-cyanophenyl-4-alkylbenzoate
09/13/1977US4048088 Azo or azoxy benzene
09/13/1977US4047803 Nematic liquid crystal compositions
09/06/1977US4046708 Mixture of nematic liquid crystals exhibiting a positive dielectric anisotropy and a wide temperature range
08/1977
08/30/1977US4045383 Stable emulsions and improved temperature monitoring films prepared therefrom
08/30/1977US4045124 Bistable deflection system
08/23/1977US4043935 Liquid crystal composition having high dielectric anisotropy and display device incorporating same
08/23/1977US4043634 Liquid crystal electro optical element
08/09/1977USRE29349 Organic thermotropic nematic compounds
08/02/1977US4040047 Erasable thermo-optic storage display of a transmitted image
07/1977
07/26/1977US4038200 Lyotropic nematic liquid crystals for use in electro-optical display devices
07/26/1977US4038199 Lyotropic nematic liquid crystals for use in electro-optical display devices
07/12/1977US4035056 Biphenyl derivative compounds and liquid crystal materials and devices containing such compounds
07/05/1977US4033948 Acutance agents for use in thermally-developable photosensitive compositions
06/1977
06/28/1977US4032470 Electro-optic device
06/28/1977US4032219 Liquid crystal display devices
06/28/1977US4032218 Device for the production and modulation of monochromatic light
06/21/1977US4031092 1,3-Bis-(carboxy-phenylamino)-s-triazines
06/21/1977US4031028 Nematic liquid crystal composition
06/14/1977US4029595 Novel liquid crystal compounds and electro-optic devices incorporating them
06/14/1977US4029594 Cyanobiphenyl benzoates
06/14/1977US4029392 Liquid crystal display
06/07/1977US4027950 Electro-optical display device
05/1977
05/24/1977US4025164 Liquid crystal display device for colored display of information with a selective polarizer
05/10/1977US4022934 Means for inducing perpendicular alignment of a nematic liquid crystal on a coated substrate
05/10/1977US4022706 Cholesteric liquid crystal water base ink and laminates formed therefrom
05/10/1977US4022633 Method of stabilizing soils
04/1977
04/26/1977US4020002 Non-schiff base field effect liquid crystal composition
04/19/1977US4018507 Liquid crystal device, composition therefor, and method for preparing the composition
04/12/1977US4017416 P-cyanophenyl 4-alkyl-4'-biphenylcarboxylate, method for preparing same and liquid crystal compositions using same
04/05/1977US4016094 Liquid crystals of p-alkoxy-p'-(2-methylbutyl)azoxy benzene
04/05/1977US4015591 Cholesteric liquid crystalline phase material-dye composition and venapuncture method employing the composition
03/1977
03/29/1977US4014811 P-alkylphenyl-p*-cyanobenzoates
03/22/1977US4013582 Liquid crystal compounds and electro-optic devices incorporating them
03/15/1977US4012434 Nematic compounds and mixtures
03/08/1977US4011173 Modified nematic mixtures with positive dielectric anisotropy
03/01/1977US4009938 Liquid crystal display device
03/01/1977US4009934 Electro-optic display devices and methods
02/1977
02/08/1977US4007077 Liquid crystal cells
02/01/1977US4005928 Nematic liquid crystal displays for low voltage direct current operation
01/1977
01/25/1977US4005064 For display devices
01/25/1977US4005032 Liquid crystalline composition having mixed cholesteric-nematic properties
01/25/1977US4004848 Liquid crystal display device
01/18/1977US4003844 Nitrobenzenes
01/18/1977US4003633 Color display device
01/11/1977US4002670 Nematic compounds and mixtures
01/04/1977US4001137 Nematic compounds and mixtures
12/1976
12/28/1976US4000124 Novel liquid-crystal compounds
12/28/1976US4000084 Liquid crystal mixtures for electro-optical display devices
12/21/1976US3998860 Solidification retarders
12/14/1976US3997536 Phenyl-pyrimidines
12/14/1976US3997463 Nematic liquid crystal composition for electro-optical displays
12/14/1976US3997242 Electro-optical cell containing dielectric isonitriles
12/07/1976US3996260 Liquid crystals
11/1976
11/30/1976US3994567 Electro-optical cell for field effect type liquid crystal display
11/09/1976US3990984 Liquid crystal material with stabilizing agent
11/02/1976US3989639 Nematic liquid crystal compositions
11/02/1976US3989354 Nematic liquid crystal of homeotropically aligned type and a method of manufacturing said device
10/1976
10/26/1976US3988054 Nematic liquid crystal compositions
10/05/1976US3984392 Anisotropic
10/05/1976US3984344 Cyano-phenyl-benzoates
10/05/1976US3984343 Liquid crystal mixtures with selectively variable dielectric anisotropies
09/1976
09/28/1976US3983049 Liquid crystal compositions with positive dielectric anisotropy
09/21/1976US3981817 Mixtures of liquid crystals
09/21/1976US3981816 Liquid crystal display device
09/21/1976US3981558 Liquid crystal electro-optical display
09/07/1976US3979321 Mixture of liquid crystals exhibiting positive dielectric anisotropy and a wide mesomorphic range
09/07/1976US3979320 5- or 6-membered heterocyclic ring, molecular orientation
09/07/1976US3979319 Carboxylic acid or its ester as additive, molecular orientation
08/1976
08/31/1976US3977769 Electro-optic device
08/31/1976US3977768 Nematic liquid crystal compositions
08/31/1976US3977767 Electro-optical cell
08/24/1976US3976591 A phenyl p-methoxybenzoate, a substituted diphenyl acetylene
08/17/1976US3975288 High temperature non-crystallizing cholesteric liquid crystal compositions
08/17/1976US3975287 Liquid crystal composition for electric field indication
08/17/1976US3975286 Low voltage actuated field effect liquid crystals compositions and method of synthesis
08/17/1976US3975285 Liquid crystal composition
08/10/1976US3974317 Cholesteric liquid crystal system
08/10/1976US3974087 Liquid crystal compositions
08/10/1976US3973830 Electro-optic device
08/03/1976US3973057 Method of preparing a liquid crystal display
08/03/1976US3972589 Nematic liquid crystal mixtures with stable homeotropic boundary conditions and methods of making the same
07/1976
07/27/1976US3971824 Liquid crystal
07/20/1976US3970579 Low melting liquid-crystal mixtures
07/13/1976US3969264 Cholesteric liquid crystal water base ink
06/1976
06/29/1976US3966631 Nematic liquid crystal composition
06/22/1976US3965030 Benzylideneamines
06/22/1976US3965029 Liquid crystal materials
06/15/1976US3963638 Sulfonates
06/15/1976US3963313 Liquid crystal Schiffs bases
06/15/1976US3963311 Liquid crystal esters