FR2444701A1 - Melange de cristaux liquides renfermant un colorant anthraquinonique - Google Patents

Melange de cristaux liquides renfermant un colorant anthraquinonique

Info

Publication number
FR2444701A1
FR2444701A1 FR7931044A FR7931044A FR2444701A1 FR 2444701 A1 FR2444701 A1 FR 2444701A1 FR 7931044 A FR7931044 A FR 7931044A FR 7931044 A FR7931044 A FR 7931044A FR 2444701 A1 FR2444701 A1 FR 2444701A1
Authority
FR
France
Prior art keywords
liquid crystals
mixture
crystals containing
dye
anthraquinonic
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.)
Granted
Application number
FR7931044A
Other languages
English (en)
Other versions
FR2444701B1 (fr
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.)
BBC Brown Boveri AG Switzerland
Original Assignee
BBC Brown Boveri AG Switzerland
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 BBC Brown Boveri AG Switzerland filed Critical BBC Brown Boveri AG Switzerland
Publication of FR2444701A1 publication Critical patent/FR2444701A1/fr
Application granted granted Critical
Publication of FR2444701B1 publication Critical patent/FR2444701B1/fr
Granted 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
    • C09K19/603—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
    • C09B3/00—Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
    • C09B3/78—Other dyes in which the anthracene nucleus is condensed with one or more carbocyclic rings
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Liquid Crystal (AREA)

Abstract

L'invention a trait au domaine des cristaux liquides. Elle concerne des mélanges de cristaux liquides qui contiennent, comme matière colorante incorporée comme phase incluse à une phase incluante formée d'une masse de cristaux liquides dopée à l'aide d'une substance optiquement active, au moins un colorant anthraquinonique de formule :
FR7931044A 1978-12-21 1979-12-19 Melange de cristaux liquides renfermant un colorant anthraquinonique Granted FR2444701A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1299378 1978-12-21

Publications (2)

Publication Number Publication Date
FR2444701A1 true FR2444701A1 (fr) 1980-07-18
FR2444701B1 FR2444701B1 (fr) 1983-08-19

Family

ID=4388323

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7931044A Granted FR2444701A1 (fr) 1978-12-21 1979-12-19 Melange de cristaux liquides renfermant un colorant anthraquinonique

Country Status (6)

Country Link
US (1) US4299720A (fr)
JP (1) JPS5586861A (fr)
DD (1) DD148059A5 (fr)
DE (1) DE2902177A1 (fr)
FR (1) FR2444701A1 (fr)
GB (1) GB2045274B (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0026004A1 (fr) * 1979-09-21 1981-04-01 BBC Aktiengesellschaft Brown, Boveri & Cie. Mélange de cristaux liquides
EP0044666A2 (fr) * 1980-07-16 1982-01-27 Minnesota Mining And Manufacturing Company Composés hélichromiques et dispositifs d'affichage
EP0047027A1 (fr) * 1980-08-22 1982-03-10 BBC Aktiengesellschaft Brown, Boveri & Cie. Mélange de cristaux liquides
FR2492400A1 (fr) * 1980-10-22 1982-04-23 Gen Electric Composition de cristaux liquides dichroiques et procede pour ameliorer la couleur de colorants dichroiques
FR2542323A1 (fr) * 1983-03-08 1984-09-14 Mitsui Toatsu Chemicals Colorants dichroiques anthraquinoniques et composition a base de cristaux liquides pour l'affichage en couleur les contenant
EP0502661A2 (fr) * 1991-02-28 1992-09-09 Biochem Pharma Inc. Analogues antitumorales d'hétéroanthracycline

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4288147A (en) * 1978-12-20 1981-09-08 Timex Corporation Electro-optical composition of the guest-host type
CH642393A5 (fr) 1979-10-02 1984-04-13 Ebauches Sa Composition a base de cristal liquide pour dispositif electro-optique.
DE3007198A1 (de) * 1980-02-26 1981-09-03 Siemens AG, 1000 Berlin und 8000 München Pleochroitischer anthrachinon-farbstoff, verfahren zu seiner herstellung und verwendung des farbstoffs
CH646452A5 (fr) * 1980-03-14 1984-11-30 Asulab Sa Composition a base de cristal liquide pour dispositif electro-optique.
DE3014933A1 (de) * 1980-04-18 1981-10-29 Bayer Ag, 5090 Leverkusen Fluessigkristalline materialien enthaltend anthrachinonfarbstoffe
US4394070A (en) * 1980-07-16 1983-07-19 Minnesota Mining And Manufacturing Company Helichromic compounds and displays
US4391489A (en) * 1980-07-29 1983-07-05 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Liquid crystal materials containing pleochroic anthraquinone dyes
US4405211A (en) * 1980-07-29 1983-09-20 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Liquid crystal compositions with pleochroic anthraquinone dyes
US4308164A (en) * 1980-08-04 1981-12-29 General Electric Company Novel yellow azo dyes and dichroic liquid crystal composition made therewith
US4308163A (en) * 1980-08-04 1981-12-29 General Electric Company Novel yellow azo dyes and dichroic liquid crystal composition made therewith
US4308161A (en) * 1980-08-04 1981-12-29 General Electric Company Novel yellow azo dyes and dichroic liquid crystal compositions made therewith
DE3036895C2 (de) * 1980-09-30 1985-07-11 Merck Patent Gmbh, 6100 Darmstadt Pleochroitischer Anthrachinon-Farbstoff und Herstellungsverfahren für einen solchen Farbstoff sowie seine Verwendung in einer Flüssigkristallmischung
JPS5763377A (en) * 1980-10-03 1982-04-16 Mitsui Toatsu Chem Inc Liquid crystal composition for color display
US4624532A (en) * 1980-10-22 1986-11-25 General Electric Company Dichroic liquid crystal compositions containing anthraquinone-based dyes
US4308162A (en) * 1980-12-08 1981-12-29 General Electric Company Novel yellow azo dyes and dichroic liquid crystal compositions made therewith
US4378302A (en) * 1980-12-16 1983-03-29 General Electric Company Red perylene dichroic dye containing liquid crystal formulations
EP0056492B1 (fr) * 1981-01-10 1984-12-12 BASF Aktiengesellschaft Colorants pour mélanges de cristaux liquides
US4514045A (en) * 1981-06-22 1985-04-30 Minnesota Mining And Manufacturing Company Helichromic-smectic liquid crystal compositions and display cells
JPS5876482A (ja) * 1981-10-30 1983-05-09 Alps Electric Co Ltd 液晶混合物
DE3211400A1 (de) * 1982-03-27 1983-09-29 Basf Ag, 6700 Ludwigshafen Polymere mit mesogenen gruppen und farbstoffresten in den seitenketten
DE3216455A1 (de) * 1982-05-03 1983-11-17 Bayer Ag, 5090 Leverkusen Anthrachinonfarbstoffe, ihre herstellung und verwendung sowie dichtroitisches material enthaltend diese anthrachinonfarbstoffe
JPS58194971A (ja) * 1982-05-08 1983-11-14 Toshiba Corp カラ−液晶表示装置
JPS5918784A (ja) * 1982-07-22 1984-01-31 Toshiba Corp カラ−液晶表示装置
DE3407013A1 (de) 1984-02-27 1985-09-05 Merck Patent Gmbh, 6100 Darmstadt Cyclohexanderivate
US4530572A (en) * 1982-12-30 1985-07-23 Minnesota Mining And Manufacturing Company Substituted anthraquinone-type isotropic dyes for liquid crystal display devices
DE3600052A1 (de) 1986-01-03 1987-07-09 Merck Patent Gmbh Heterocyclische verbindungen
DE3601452A1 (de) 1986-01-20 1987-07-23 Merck Patent Gmbh Vinylen-verbindungen
DE3639156A1 (de) * 1986-11-15 1988-05-26 Basf Ag Trisazofarbstoffe
US5032007A (en) * 1988-04-07 1991-07-16 Honeywell, Inc. Apparatus and method for an electronically controlled color filter for use in information display applications
DE3825066A1 (de) * 1988-07-23 1990-01-25 Roehm Gmbh Verfahren zur herstellung von duennen, anisotropen schichten auf oberflaechenstrukturierten traegern

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3833287A (en) * 1973-03-08 1974-09-03 Bell Telephone Labor Inc Guest-host liquid crystal device
US4145114A (en) * 1975-06-17 1979-03-20 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Pleochroic dyes
DE2658568C2 (de) * 1975-12-25 1983-12-22 Sharp K.K., Osaka Flüssigkristall-Darstellungseinrichtung mit einem pleochroitischen Farbstoff-Gastmaterial und einem nematischen Flüssigkristall-Wirtmaterial
CH594897A5 (fr) * 1976-06-23 1978-01-31 Bbc Brown Boveri & Cie
CH600367A5 (fr) * 1976-08-10 1978-06-15 Bbc Brown Boveri & Cie
US4141627A (en) * 1977-01-06 1979-02-27 Rca Corporation Electro-optic device
DE2815335A1 (de) * 1977-04-11 1978-10-12 Minnesota Mining & Mfg Pleochroitische farbstoffe und mit diesen verwendbare elektrooptische anzeigevorrichtungen
US4153343A (en) * 1977-06-09 1979-05-08 Rca Corporation Liquid crystal dyestuffs and electro-optic devices incorporating same
EP0002104B1 (fr) * 1977-10-14 1982-10-20 BDH Chemicals Limited Colorants pléochroiques pouvant être utilisés en solution avec des matériaux cristallins liquides dans des dispositifs électro-optiques
CH638828A5 (de) * 1978-12-21 1983-10-14 Bbc Brown Boveri & Cie Fluessigkristallmischung.
US4232949A (en) * 1979-02-23 1980-11-11 Minnesota Mining And Manufacturing Company Liquid crystal compositions containing pleochroic dye
US4232950A (en) * 1979-02-23 1980-11-11 Minnesota Mining And Manufacturing Company Liquid crystal compositions including pleochroic dye

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0026004A1 (fr) * 1979-09-21 1981-04-01 BBC Aktiengesellschaft Brown, Boveri & Cie. Mélange de cristaux liquides
EP0025809A1 (fr) * 1979-09-21 1981-04-01 BBC Aktiengesellschaft Brown, Boveri & Cie. Mélange de cristaux liquides
EP0044666A2 (fr) * 1980-07-16 1982-01-27 Minnesota Mining And Manufacturing Company Composés hélichromiques et dispositifs d'affichage
EP0044666A3 (en) * 1980-07-16 1982-02-03 Minnesota Mining And Manufacturing Company Helichromic compounds and displays
EP0047027A1 (fr) * 1980-08-22 1982-03-10 BBC Aktiengesellschaft Brown, Boveri & Cie. Mélange de cristaux liquides
FR2492400A1 (fr) * 1980-10-22 1982-04-23 Gen Electric Composition de cristaux liquides dichroiques et procede pour ameliorer la couleur de colorants dichroiques
FR2542323A1 (fr) * 1983-03-08 1984-09-14 Mitsui Toatsu Chemicals Colorants dichroiques anthraquinoniques et composition a base de cristaux liquides pour l'affichage en couleur les contenant
EP0502661A2 (fr) * 1991-02-28 1992-09-09 Biochem Pharma Inc. Analogues antitumorales d'hétéroanthracycline
WO1992015601A2 (fr) * 1991-02-28 1992-09-17 Biochem Pharma, Inc. Analogues antitumoraux d'heteroanthracycline
WO1992015601A3 (fr) * 1991-02-28 1992-10-29 Belleau Pierette & Hf Analogues antitumoraux d'heteroanthracycline
EP0502661A3 (fr) * 1991-02-28 1994-03-30 Iaf Biochem Int
AP363A (en) * 1991-02-28 1994-09-23 Iaf Biochem Int Heteroanthracycline antitumor analogs.

Also Published As

Publication number Publication date
GB2045274A (en) 1980-10-29
GB2045274B (en) 1983-03-16
FR2444701B1 (fr) 1983-08-19
DD148059A5 (de) 1981-05-06
JPS5586861A (en) 1980-07-01
US4299720A (en) 1981-11-10
DE2902177A1 (de) 1980-07-17

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