FR2562900B1 - AZO DYES AND LIQUID CRYSTALLINE MATERIAL CONTAINING AZO DYES - Google Patents

AZO DYES AND LIQUID CRYSTALLINE MATERIAL CONTAINING AZO DYES

Info

Publication number
FR2562900B1
FR2562900B1 FR8405724A FR8405724A FR2562900B1 FR 2562900 B1 FR2562900 B1 FR 2562900B1 FR 8405724 A FR8405724 A FR 8405724A FR 8405724 A FR8405724 A FR 8405724A FR 2562900 B1 FR2562900 B1 FR 2562900B1
Authority
FR
France
Prior art keywords
azo dyes
material containing
liquid crystalline
crystalline material
containing azo
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR8405724A
Other languages
French (fr)
Other versions
FR2562900A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Priority to FR8405724A priority Critical patent/FR2562900B1/en
Publication of FR2562900A1 publication Critical patent/FR2562900A1/en
Application granted granted Critical
Publication of FR2562900B1 publication Critical patent/FR2562900B1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/60—Pleochroic dyes
    • C09K19/601—Azoic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/36—Trisazo dyes of the type
    • C09B35/366—D is diphenyl
FR8405724A 1984-04-11 1984-04-11 AZO DYES AND LIQUID CRYSTALLINE MATERIAL CONTAINING AZO DYES Expired FR2562900B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8405724A FR2562900B1 (en) 1984-04-11 1984-04-11 AZO DYES AND LIQUID CRYSTALLINE MATERIAL CONTAINING AZO DYES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8405724A FR2562900B1 (en) 1984-04-11 1984-04-11 AZO DYES AND LIQUID CRYSTALLINE MATERIAL CONTAINING AZO DYES

Publications (2)

Publication Number Publication Date
FR2562900A1 FR2562900A1 (en) 1985-10-18
FR2562900B1 true FR2562900B1 (en) 1987-11-13

Family

ID=9303071

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8405724A Expired FR2562900B1 (en) 1984-04-11 1984-04-11 AZO DYES AND LIQUID CRYSTALLINE MATERIAL CONTAINING AZO DYES

Country Status (1)

Country Link
FR (1) FR2562900B1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH654321A5 (en) * 1981-02-20 1986-02-14 Ciba Geigy Ag DISAZO DYES AND THEIR USE IN COLOR PHOTOGRAPHIC RECORDING MATERIALS FOR THE SILVER COLORING METHOD.
DE3123519A1 (en) * 1981-06-13 1982-12-30 Bayer Ag, 5090 Leverkusen LIQUID CRYSTAL MATERIAL CONTAINING AZO COLORS
JPS5857488A (en) * 1981-10-02 1983-04-05 Mitsubishi Chem Ind Ltd Guest/host type liquid crystal composition
DE3276002D1 (en) * 1981-11-16 1987-05-14 Mitsubishi Chem Ind Pleochroic azo dyes, a liquid crystal composition containing the azo dyes and a display device using the liquid crystal composition
JPS58111884A (en) * 1981-12-25 1983-07-04 Alps Electric Co Ltd Dichroic colorant for color liquid crystal
GB2120674B (en) * 1982-03-13 1986-11-19 Nippon Kanko Shikiso Kenyusho Dichroic dyestuffs for liquid crystals and liquid crystal compositions comprising the same

Also Published As

Publication number Publication date
FR2562900A1 (en) 1985-10-18

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Legal Events

Date Code Title Description
ER Errata listed in the french official journal (bopi)

Free format text: 42/85

ST Notification of lapse