AZO DYE AND LIQUID CRYSTAL MATERIAL CONTAINING AZO DYE

Title:

AZO DYE AND LIQUID CRYSTAL MATERIAL CONTAINING AZO DYE

Document Type and Number:

Japanese Patent JPS62119273

Kind Code:

A

Abstract:

Liquid crystal material containing at least one dyestuff of the formula I in which A=the radical of an azo dyestuff, X=O or NH, R' and R''=H or C1-C4-alkyl, it being posible for the radicals to be identical or different, but these radicals preferably being -CH2-radicals, Y=optionally substituted phenyl or optionally substituted naphthyl and n=2, 3 or 4, and new azo dyestuffs which come under the formula I.

Inventors:

HORUGAA HAIDENRAIHI
UBE KURAUSEN

Application Number:

JP23636786A

Publication Date:

May 30, 1987

Filing Date:

October 06, 1986

Export Citation:

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Assignee:

BAYER AG

International Classes:

C09B31/00; C09B33/00; C09B43/28; C09K19/60; G02F1/13; C09B29/00; (IPC1-7): C09B29/00; C09B31/00; C09B33/00; C09B35/00; C09B43/28; C09K19/60; G02F1/13; G09F9/35

Attorney, Agent or Firm:

Heikichi Odashima

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