发明名称 Dyes for use in liquid crystal mixtures
摘要 The use of a dye of the general formula I <IMAGE> I where R is a heterocyclic radical, X is hydrogen, nitro, or unsubstituted or substituted amino, hydroxyl or mercapto and Y is hydrogen, nitro, or unsubstituted or substituted amino, hydroxyl or mercapto, and the ring A can be additionally substituted, in an electro-optical display containing liquid crystals, and a liquid-crystal mixture containing a dye of the general formula in claim 1.
申请公布号 US4466899(A) 申请公布日期 1984.08.21
申请号 US19820336709 申请日期 1982.01.04
申请人 BASF AKTIENGESELLSCHAFT 发明人 DITTER, WALTER;ETZBACH, KARL-HEINZ;HORN, DIETER;PATSCH, MANFRED;EILINGSFELD, HEINZ
分类号 C09B1/02;C09B1/20;C09B1/503;C09B1/58;C09K19/60;(IPC1-7):C09K3/34;G02F1/13 主分类号 C09B1/02
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