FLUESSIGKRISTALLGEMISCH MIT EINEM PLEOCHROITISCHEN ANTHRACHINON-FARBSTOFF UND VERFAHREN ZUR HERSTELLUNG EINES SOLCHEN FARBSTOFFES

1. A liquid crystal mixture comprising a pleochroic anthraquinone dye of the general formula : see diagramm : EP0048887,P3,F8 where R**1 , R**3 , R**4 , R**6 = H, OH, NH2 , NO2 and R**2 , R**5 = alkylphenyl, characterised in that either R**1 = OH, R**3 = R**6 = H, R**4 = H, OH, NH2 , NO2 or R**1 = R...

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Bibliographische Detailangaben
Hauptverfasser:	KNIPPENBERG,BURKHARD, HEPPKE,GERD,DR, MOELLER,ALEXANDER, SCHEROWSKY,GUENTHER,PRIV.-DOZ.DR
Format:	Patent
Sprache:	ger
Schlagworte:	ADHESIVES CHEMISTRY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DYES FREQUENCY-CHANGING LAKES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PHYSICS POLISHES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	1. A liquid crystal mixture comprising a pleochroic anthraquinone dye of the general formula : see diagramm : EP0048887,P3,F8 where R1 , R3 , R4 , R6 = H, OH, NH2 , NO2 and R2 , R5 = alkylphenyl, characterised in that either R1 = OH, R3 = R6 = H, R4 = H, OH, NH2 , NO2 or R1 = R4 = H, R3 = OH, R6 = H, OH, NH2 , NO2.