1
Osman Maged A Dr, Revesz Laszlo Dr, Scheffer Terry J Dr, Markert Jurgen Dr: Liquid crystals mixture.. Bbc Brown Boveri & Cie, April 1, 1981: EP0026004-A1 (43 worldwide citation)

1. Liquid crystal mixture for electro-optical displays working in accordance with the guest/host principle, which liquid crystal mixture contains a nematic liquid crystal mass as the host phase and at least one pleochroic anthraquinone dye as the guest phase incorporated in the host phase, character ...


2
Osman Maged A Dr, Revesz Laszlo Dr: Cyclohexylcyclohexanoates, process for their preparation and liquid-crystal mixture containing them.. Bbc Brown Boveri & Cie, February 11, 1981: EP0023730-A1 (13 worldwide citation)

Anisotrope Verbindungen der Formel (1) in der X und Y jeweils Wasserstoffatome, Alkylgruppen mit 1 bis 12 C-Atomen, Alkoxygruppen mit 1 bis 12 C-Atomen, N-Monoalkylaminogruppen mit 1 bis 12 C-Atomen im Alkylteil, Halogenatome, Nitrilgruppen oder Nitrogruppen oder cyclische Reste der Formeln in welch ...


3
Osman Maged A Dr, Revesz Laszlo Dr, Scheffer Terry J Dr, Markert Juergen Dr: Liquid crystals mixture.. Bbc Brown Boveri & Cie, April 1, 1981: EP0025809-A1 (12 worldwide citation)

A liquid crystal mixture for electro-optical displays without polarising cover discs consists essentially of a nematic liquid crystal mass with positive or negative dielectric anisotropy as host phase, an optically active additive to effect cholesteric orientation of the host phase and, embedded as ...


4
Osman Maged A Dr, Revesz Laszlo Dr: Anisotropic cyclohexyl ethers.. Merck Patent, June 24, 1981: EP0030761-A1 (7 worldwide citation)

Anisotrope Verbindungen in Form von Cyclohexylcyclo-hexylmethylätherverbindungen der Formel (I) in der X und Y jeweils Wasserstoffatome, Alkylgruppen mit 1 bis 12 C-Atomen, Alkoxygruppen mit 1 bis 12 C-Atomen, Monoalkylaminogruppen mit 1 bis 12 C-Atomen, Nitrilgrupen, Nitrogruppen oder Halogenatome ...


5
Osman Maged A Dr, Revesz Laszlo Dr: Anisotropic carboxylic-acid-4-cyclohexylphenyl esters and mixtures of liquid crystals containing them.. Bbc Brown Boveri & Cie, January 28, 1981: EP0022882-A1 (5 worldwide citation)

1. Anisotropic compounds of the formula (1) see diagramm : EP0022882,P6,F5 in which R is an alkyl or alkoxy radical each having 1 to 10 C atoms and the ring A is a 1,4-phenylene ring or a trans-1,4-cyclohexylene ring.