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HK785A - Dichroitic anthraquinone dyestuffs - Google Patents

Dichroitic anthraquinone dyestuffs

Info

Publication number
HK785A
HK785A HK7/85A HK785A HK785A HK 785 A HK785 A HK 785A HK 7/85 A HK7/85 A HK 7/85A HK 785 A HK785 A HK 785A HK 785 A HK785 A HK 785A
Authority
HK
Hong Kong
Prior art keywords
dichroitic
anthraquinone dyestuffs
dyestuffs
anthraquinone
dichroitic anthraquinone
Prior art date
Application number
HK7/85A
Other languages
English (en)
Inventor
Georg Weber
Rudolf Eidenschink
Dietrich Erdmann
Original Assignee
Merck Patent Gmbh
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 Merck Patent Gmbh filed Critical Merck Patent Gmbh
Publication of HK785A publication Critical patent/HK785A/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
    • 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
    • C09B1/02—Hydroxy-anthraquinones; Ethers or 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
    • C09B1/50—Amino-hydroxy-anthraquinones; Ethers and esters thereof
    • C09B1/503—Amino-hydroxy-anthraquinones; Ethers and esters thereof unsubstituted amino-hydroxy anthraquinone
    • 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
    • C09B1/51—N-substituted amino-hydroxy anthraquinone
    • C09B1/515—N-alkyl, N-aralkyl or N-cycloalkyl derivatives
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
HK7/85A 1980-10-24 1985-01-03 Dichroitic anthraquinone dyestuffs HK785A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803040102 DE3040102A1 (de) 1980-10-24 1980-10-24 Dichroitische anthrachinonfarbstoffe, diese enthaltende fluessigkristalline dielektrika und elektrooptisches anzeigeelement

Publications (1)

Publication Number Publication Date
HK785A true HK785A (en) 1985-01-11

Family

ID=6115079

Family Applications (1)

Application Number Title Priority Date Filing Date
HK7/85A HK785A (en) 1980-10-24 1985-01-03 Dichroitic anthraquinone dyestuffs

Country Status (7)

Country Link
US (1) US4456545A (ja)
JP (1) JPS5798561A (ja)
CH (1) CH647252A5 (ja)
DE (1) DE3040102A1 (ja)
GB (1) GB2086409B (ja)
HK (1) HK785A (ja)
SG (1) SG79884G (ja)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56100885A (en) * 1980-01-17 1981-08-13 Mitsui Toatsu Chem Inc Composition for liquid crystal color display
DE3046904A1 (de) * 1980-12-12 1982-07-15 Bayer Ag, 5090 Leverkusen Anthrachinonfarbstoffe, verfahren zu ihrer herstellung ihre verwendung sowie fluessigkristalline materialien enthaltend anthrachinonfarbstoffe
DE3126108A1 (de) * 1981-07-02 1983-01-20 Merck Patent Gmbh, 6100 Darmstadt "fluessigkristallines dielektrikum, neue dichroitische naphthochinonfarbstoffe und elektrooptisches anzeigeelement"
CH652118A5 (de) * 1981-07-17 1985-10-31 Hoffmann La Roche Fluessigkristall-verbindungen.
JPS5825381A (ja) * 1981-08-08 1983-02-15 Nippon Kanko Shikiso Kenkyusho:Kk 液晶組成物
JPS5857488A (ja) * 1981-10-02 1983-04-05 Mitsubishi Chem Ind Ltd ゲスト−ホスト型液晶組成物
DE3202761A1 (de) * 1982-01-28 1983-08-04 Merck Patent Gmbh, 6100 Darmstadt Fluessigkristallines dielektrikum, neue farbstoffe, verfahren zu ihrer herstellung und elektrooptisches anzeigeelement
DE3216455A1 (de) * 1982-05-03 1983-11-17 Bayer Ag, 5090 Leverkusen Anthrachinonfarbstoffe, ihre herstellung und verwendung sowie dichtroitisches material enthaltend diese anthrachinonfarbstoffe
DE3247896A1 (de) * 1982-12-24 1984-06-28 Merck Patent Gmbh, 6100 Darmstadt Anthrachinonfarbstoffe
US4530572A (en) * 1982-12-30 1985-07-23 Minnesota Mining And Manufacturing Company Substituted anthraquinone-type isotropic dyes for liquid crystal display devices
GB9417102D0 (en) * 1994-08-24 1994-10-12 Lilly Industries Ltd Pharmaceutical compounds
JP2002327176A (ja) * 2001-03-01 2002-11-15 Toshiba Corp ゲスト−ホスト液晶組成物および液晶表示素子
US9701905B2 (en) 2012-12-13 2017-07-11 Merck Patent Gmbh Liquid-crystalline medium
KR102125892B1 (ko) 2013-03-05 2020-07-08 메르크 파텐트 게엠베하 광 에너지의 통과를 조절하기 위한 장치
KR102266840B1 (ko) 2013-05-08 2021-06-18 메르크 파텐트 게엠베하 광 에너지의 통과를 조절하기 위한 2개의 액정 스위칭 층을 포함하는 장치
US10344217B2 (en) 2013-05-24 2019-07-09 Merck Patent Gmbh Device for controlling the passage of energy, containing a dichroic dye compound
CN113684038A (zh) 2013-12-19 2021-11-23 默克专利股份有限公司 调节光透射的设备
DE102015005800A1 (de) 2015-05-06 2016-11-10 Merck Patent Gmbh Thiadiazolochinoxalinderivate
KR102602326B1 (ko) 2015-07-10 2023-11-16 메르크 파텐트 게엠베하 다이티오-알킬-피롤로-피롤 및 염료로서의 이의 용도
KR20190023089A (ko) 2016-06-28 2019-03-07 메르크 파텐트 게엠베하 액정 매질
WO2018015320A1 (en) 2016-07-19 2018-01-25 Merck Patent Gmbh Liquid crystalline medium
EP3802733A1 (en) 2018-06-11 2021-04-14 Merck Patent GmbH Liquid crystalline medium
JP2019214691A (ja) * 2018-06-14 2019-12-19 山本化成株式会社 二色性化合物、液晶組成物および液晶素子
JP7391888B2 (ja) 2018-06-20 2023-12-05 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツング 液晶媒体
JP7447099B2 (ja) 2018-09-25 2024-03-11 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツング アゾ色素
US11939512B2 (en) 2018-11-23 2024-03-26 Merck Patent Gmbh Dichroic dye composition
US11952528B2 (en) 2018-12-19 2024-04-09 Merck Patent Gmbh Switching layers for use in a switching element
KR20220024586A (ko) 2019-06-17 2022-03-03 메르크 파텐트 게엠베하 액정-기반 광 밸브
EP3839620A1 (en) 2019-12-16 2021-06-23 Merck Patent GmbH Device for the regulation of light transmission
CN116569100A (zh) 2020-12-11 2023-08-08 默克专利股份有限公司 用于调节光透射的器件
WO2023094404A1 (en) 2021-11-24 2023-06-01 Merck Patent Gmbh Liquid crystal medium and liquid crystal display

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH351253A (de) * 1958-03-19 1961-01-15 Sandoz Ag Haltbares Dispersionsfarbstoffpräparat
NL287697A (ja) * 1962-01-12
DE1445738A1 (de) * 1963-08-01 1968-11-28 Bayer Ag Verfahren zur Herstellung von Anthrachinonfarbstoffen
DE1266424B (de) * 1963-11-08 1968-04-18 Bayer Ag Verfahren zur Herstellung von in beta-Stellung substituierten 5,8-Diamino-1,4-dihydroxy-anthrachinonen
BE661652A (ja) * 1964-03-25
BE669879A (ja) * 1964-09-22 1966-03-21
GB1334706A (en) * 1970-08-03 1973-10-24 Ici Ltd Dyestuffs manufacturing process
DE2108364C3 (de) * 1971-02-22 1974-01-03 Farbwerke Hoechst Ag, Vormals Meister Lucius & Bruening, 6000 Frankfurt FarbstofTgemische mit neutralem Verhalten bei künstlicher Beleuchtung zum einbadigen Färben von Mischungen aus Polyesterfasern und Wolle
CH619976A5 (ja) * 1975-12-23 1980-10-31 Ciba Geigy Ag
GB1567057A (en) * 1975-12-23 1980-05-08 Ciba Geigy Ag Process for the manufacture of mixtures of anthraquinone compounds
DE2862064D1 (en) * 1977-10-14 1982-11-25 Bdh Chemicals Ltd Pleochroic dyes suitable for use in solution with liquid crystal materials for electro-optic device applications
JPS54157786A (en) * 1978-05-23 1979-12-12 Minnesota Mining & Mfg Multiicoloring dyestuff and photoelectric display device
CH638828A5 (de) * 1978-12-21 1983-10-14 Bbc Brown Boveri & Cie Fluessigkristallmischung.
US4273929A (en) * 1979-02-05 1981-06-16 Hoffmann-La Roche Inc. Heterocyclic compounds
US4232950A (en) * 1979-02-23 1980-11-11 Minnesota Mining And Manufacturing Company Liquid crystal compositions including pleochroic dye
US4360447A (en) * 1979-03-16 1982-11-23 Mitsui Toatsu Chemicals, Inc. Composition for liquid crystal color display elements
US4304683A (en) * 1979-03-16 1981-12-08 Mitsui Toatsu Chemicals, Inc. Composition for liquid crystal color display element
CH641828A5 (fr) * 1979-08-17 1984-03-15 Ebauches Sa Composition a base de cristal liquide pour dispositif electro-optique.
EP0025809A1 (de) * 1979-09-21 1981-04-01 BBC Aktiengesellschaft Brown, Boveri & Cie. Flüssigkristallmischung
CH642393A5 (fr) * 1979-10-02 1984-04-13 Ebauches Sa Composition a base de cristal liquide pour dispositif electro-optique.
GB2065695B (en) * 1979-10-12 1984-07-25 Hitachi Ltd Guest-host type liquid crystal composition and liquid crystal display device using the same
JPS56100885A (en) * 1980-01-17 1981-08-13 Mitsui Toatsu Chem Inc Composition for liquid crystal color display
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.
CH643291A5 (fr) * 1980-03-21 1984-05-30 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
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
JPS5857488A (ja) * 1981-10-02 1983-04-05 Mitsubishi Chem Ind Ltd ゲスト−ホスト型液晶組成物

Also Published As

Publication number Publication date
CH647252A5 (de) 1985-01-15
DE3040102A1 (de) 1982-06-03
JPS5798561A (en) 1982-06-18
SG79884G (en) 1985-04-26
US4456545A (en) 1984-06-26
GB2086409A (en) 1982-05-12
GB2086409B (en) 1984-08-30

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