HK53987A - Dichroic anthraquinonic dyes - Google Patents

Dichroic anthraquinonic dyes

Info

Publication number
HK53987A
HK53987A HK539/87A HK53987A HK53987A HK 53987 A HK53987 A HK 53987A HK 539/87 A HK539/87 A HK 539/87A HK 53987 A HK53987 A HK 53987A HK 53987 A HK53987 A HK 53987A
Authority
HK
Hong Kong
Prior art keywords
dichroic
anthraquinonic dyes
anthraquinonic
dyes
dichroic anthraquinonic
Prior art date
Application number
HK539/87A
Other languages
English (en)
Inventor
Yasuyuki Yamada
Tsutomu Nishizawa
Tamio Mikoda
Tooru Miyahara
Masaharu Kikutsugi
Original Assignee
Mitsui Toatsu Chemicals
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 Mitsui Toatsu Chemicals filed Critical Mitsui Toatsu Chemicals
Publication of HK53987A publication Critical patent/HK53987A/xx

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
    • C09K19/603—Anthroquinonic
    • 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
    • C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
    • C09B5/24—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position
    • C09B5/32—1.3 azoles of the anthracene series

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
HK539/87A 1983-03-08 1987-07-16 Dichroic anthraquinonic dyes HK53987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58036613A JPS59164365A (ja) 1983-03-08 1983-03-08 二色性染料および液晶カラ−表示用組成物

Publications (1)

Publication Number Publication Date
HK53987A true HK53987A (en) 1987-07-24

Family

ID=12474647

Family Applications (1)

Application Number Title Priority Date Filing Date
HK539/87A HK53987A (en) 1983-03-08 1987-07-16 Dichroic anthraquinonic dyes

Country Status (10)

Country Link
US (1) US4552684A (ja)
JP (1) JPS59164365A (ja)
KR (1) KR870001882B1 (ja)
CA (1) CA1211753A (ja)
CH (1) CH657625A5 (ja)
DE (1) DE3408484C2 (ja)
FR (1) FR2542323B1 (ja)
GB (1) GB2140816B (ja)
HK (1) HK53987A (ja)
SG (1) SG27187G (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4883611A (en) * 1987-09-16 1989-11-28 Mitsui Toatsu Chemicals, Incorporated Dichroic coloring agents for liquid crystal displays

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS504217B1 (ja) * 1970-05-19 1975-02-17
US3892734A (en) * 1970-05-19 1975-07-01 Mitsui Toatsu Chemicals Novel anthraquino(3,2-d)oxazole dyes and coloring agents
JPS531392B2 (ja) * 1972-01-27 1978-01-18
JPS539315B2 (ja) * 1974-03-13 1978-04-05
DE2902177A1 (de) * 1978-12-21 1980-07-17 Bbc Brown Boveri & Cie Fluessigkristallmischung
JPS55123673A (en) * 1979-03-16 1980-09-24 Mitsui Toatsu Chem Inc Liquid crystal color display device
JPS55155083A (en) * 1979-05-23 1980-12-03 Mitsui Toatsu Chem Inc Liquid crystal color display composition
DE3014933A1 (de) * 1980-04-18 1981-10-29 Bayer Ag, 5090 Leverkusen Fluessigkristalline materialien enthaltend anthrachinonfarbstoffe
US4356102A (en) * 1980-10-22 1982-10-26 General Electric Company Dichroic liquid crystal compositions containing anthraquinone-based dyes
JPS57190048A (en) * 1981-05-16 1982-11-22 Nippon Kanko Shikiso Kenkyusho:Kk Color liquid crystal material using anthraquinone dye
JPS5857488A (ja) * 1981-10-02 1983-04-05 Mitsubishi Chem Ind Ltd ゲスト−ホスト型液晶組成物
JPS58157883A (ja) * 1982-03-13 1983-09-20 Nippon Kanko Shikiso Kenkyusho:Kk 液晶用二色性色素
DE3309045A1 (de) * 1982-03-13 1983-09-15 Kabushiki Kaisha Nippon Kanko Shikiso Kenkyusho, Okayama Dichroitische farbstoffe fuer fluessigkristalle und fluessigkristall-zusammensetzungen
JPS5956475A (ja) * 1982-09-24 1984-03-31 Sharp Corp 液晶組成物

Also Published As

Publication number Publication date
FR2542323A1 (fr) 1984-09-14
GB2140816B (en) 1986-09-03
JPS59164365A (ja) 1984-09-17
GB2140816A (en) 1984-12-05
GB8405976D0 (en) 1984-04-11
DE3408484C2 (de) 1986-12-04
KR870001882B1 (ko) 1987-10-20
JPH0429701B2 (ja) 1992-05-19
DE3408484A1 (de) 1984-09-13
KR840007890A (ko) 1984-12-11
FR2542323B1 (fr) 1987-05-22
SG27187G (en) 1988-07-15
CA1211753A (en) 1986-09-23
CH657625A5 (de) 1986-09-15
US4552684A (en) 1985-11-12

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