FR2478664B1 - - Google Patents

Info

Publication number
FR2478664B1
FR2478664B1 FR8011748A FR8011748A FR2478664B1 FR 2478664 B1 FR2478664 B1 FR 2478664B1 FR 8011748 A FR8011748 A FR 8011748A FR 8011748 A FR8011748 A FR 8011748A FR 2478664 B1 FR2478664 B1 FR 2478664B1
Authority
FR
France
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
FR8011748A
Other languages
French (fr)
Other versions
FR2478664A1 (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.)
Asulab AG
Original Assignee
Asulab 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 Asulab AG filed Critical Asulab AG
Publication of FR2478664A1 publication Critical patent/FR2478664A1/fr
Application granted granted Critical
Publication of FR2478664B1 publication Critical patent/FR2478664B1/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
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/50—Amino-hydroxy-anthraquinones; Ethers and esters thereof
    • 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
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/16—Amino-anthraquinones
    • C09B1/20—Preparation from starting materials already containing the anthracene nucleus
    • 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
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/50—Amino-hydroxy-anthraquinones; Ethers and esters thereof
    • C09B1/54—Amino-hydroxy-anthraquinones; Ethers and esters thereof etherified
    • 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

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)
FR8011748A 1980-03-21 1980-05-21 Composition a base de cristal liquide pour dispositif electro-optique Granted FR2478664A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH223980A CH643291A5 (fr) 1980-03-21 1980-03-21 Composition a base de cristal liquide pour dispositif electro-optique.

Publications (2)

Publication Number Publication Date
FR2478664A1 FR2478664A1 (fr) 1981-09-25
FR2478664B1 true FR2478664B1 (de) 1982-03-05

Family

ID=4229101

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8011748A Granted FR2478664A1 (fr) 1980-03-21 1980-05-21 Composition a base de cristal liquide pour dispositif electro-optique

Country Status (5)

Country Link
JP (1) JPS56145969A (de)
CH (1) CH643291A5 (de)
DE (1) DE3109088A1 (de)
FR (1) FR2478664A1 (de)
GB (1) GB2074182B (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4360447A (en) * 1979-03-16 1982-11-23 Mitsui Toatsu Chemicals, Inc. Composition for liquid crystal color display elements
JPS56167779A (en) * 1980-05-28 1981-12-23 Mitsubishi Chem Ind Ltd Liquid crystal composition
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
CA1158078A (en) * 1980-09-08 1983-12-06 Kensuke Okuda Artificial dental root
JPS5763377A (en) * 1980-10-03 1982-04-16 Mitsui Toatsu Chem Inc Liquid crystal composition for color display
DE3040102A1 (de) * 1980-10-24 1982-06-03 Merck Patent Gmbh, 6100 Darmstadt Dichroitische anthrachinonfarbstoffe, diese enthaltende fluessigkristalline dielektrika und elektrooptisches anzeigeelement
DE3046904A1 (de) * 1980-12-12 1982-07-15 Bayer Ag, 5090 Leverkusen Anthrachinonfarbstoffe, verfahren zu ihrer herstellung ihre verwendung sowie fluessigkristalline materialien enthaltend anthrachinonfarbstoffe
GB2094825B (en) 1981-01-17 1984-09-12 Mitsubishi Chem Ind Liquid crystal compositions containing pleochroic anthraquinone dyes
JPS57155282A (en) * 1981-03-20 1982-09-25 Mitsubishi Chem Ind Ltd Liquid crystal composition
DE3137298A1 (de) * 1981-09-18 1983-04-14 Bayer Ag, 5090 Leverkusen Anthrachinonfarbstoffe
JPS5876482A (ja) * 1981-10-30 1983-05-09 Alps Electric Co Ltd 液晶混合物
JPS594651A (ja) * 1982-07-01 1984-01-11 Hitachi Ltd 液晶組成物
EP0098736B1 (de) * 1982-07-01 1989-12-06 Mitsubishi Kasei Corporation Anthrachinonfarbstoffe und diese Farbstoffe enthaltende flüssigkristalline Zusammensetzungen
EP0110205B1 (de) * 1982-11-29 1987-12-09 F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft Farbige Flüssigkristallmischungen enthaltend Phenyläthane
EP0120463B1 (de) * 1983-03-23 1991-11-06 Hitachi, Ltd. Anthrachinonfarbstoffe und dieselben enthaltende flüssigkristalline Zusammensetzungen
JPS59182879A (ja) * 1983-04-01 1984-10-17 Hitachi Ltd 液晶組成物
JPS59179561A (ja) * 1983-03-29 1984-10-12 Hitachi Ltd アントラキノン系色素および該色素を含有する液晶組成物

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1480825A (de) * 1965-05-24 1967-08-09
DE1644453A1 (de) * 1966-08-19 1971-04-08 Basf Ag Verfahren zur Herstellung von blauen Anthrachinonfarbstoffen
JPS54134452A (en) * 1978-04-10 1979-10-18 Hitachi Ltd Quest-host type liquid crystal display device
JPS54157786A (en) * 1978-05-23 1979-12-12 Minnesota Mining & Mfg Multiicoloring dyestuff and photoelectric display device

Also Published As

Publication number Publication date
GB2074182A (en) 1981-10-28
JPS56145969A (en) 1981-11-13
DE3109088A1 (de) 1982-04-29
CH643291A5 (fr) 1984-05-30
GB2074182B (en) 1984-10-17
FR2478664A1 (fr) 1981-09-25

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Legal Events

Date Code Title Description
CA Change of address
ST Notification of lapse