GB2094822B - Anthraquinone dyes - Google Patents

Anthraquinone dyes

Info

Publication number
GB2094822B
GB2094822B GB8203421A GB8203421A GB2094822B GB 2094822 B GB2094822 B GB 2094822B GB 8203421 A GB8203421 A GB 8203421A GB 8203421 A GB8203421 A GB 8203421A GB 2094822 B GB2094822 B GB 2094822B
Authority
GB
United Kingdom
Prior art keywords
anthraquinone dyes
anthraquinone
dyes
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
GB8203421A
Other languages
English (en)
Other versions
GB2094822A (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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of GB2094822A publication Critical patent/GB2094822A/en
Application granted granted Critical
Publication of GB2094822B publication Critical patent/GB2094822B/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
    • C09K19/603—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
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/56—Mercapto-anthraquinones
    • C09B1/58—Mercapto-anthraquinones with mercapto groups substituted by aliphatic, cycloaliphatic, araliphatic or aryl radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Liquid Crystal (AREA)
GB8203421A 1981-02-25 1982-02-05 Anthraquinone dyes Expired GB2094822B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8105888 1981-02-25

Publications (2)

Publication Number Publication Date
GB2094822A GB2094822A (en) 1982-09-22
GB2094822B true GB2094822B (en) 1986-03-05

Family

ID=10519947

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8203421A Expired GB2094822B (en) 1981-02-25 1982-02-05 Anthraquinone dyes

Country Status (2)

Country Link
JP (1) JPS57158262A (enrdf_load_stackoverflow)
GB (1) GB2094822B (enrdf_load_stackoverflow)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB2155945B (en) * 1981-02-25 1986-03-26 Secr Defence Substituted thioanthraquinone dyes
JPS5927956A (ja) * 1982-07-17 1984-02-14 バイエル・アクチエンゲゼルシヤフト アントラキノン染料を含む二色性物質及び新規なアントラキノン染料
DE3380962D1 (de) * 1982-08-18 1990-01-18 Secr Defence Brit Organische materialien fuer eine fluessigkristallvorrichtung.
GB2126601B (en) * 1982-08-18 1986-12-10 Secr Defence Guest-host liquid crystal materials
DE3244815A1 (de) * 1982-12-03 1984-06-07 Bayer Ag, 5090 Leverkusen Anthrachinonfarbstoffe, ihre herstellung und verwendung sowie dichroitisches material enthaltend anthrachinonfarbstoffe
DE3603266A1 (de) * 1986-02-04 1987-08-06 Roehm Gmbh Vorrichtung zur reversibeln, optischen datenspeicherung (ii)
DE3603267A1 (de) * 1986-02-04 1987-08-06 Roehm Gmbh Vorrichtung zur reversiblen, optischen datenspeicherung (i)
DE3603268A1 (de) * 1986-02-04 1987-09-24 Roehm Gmbh Verfahren zur reversiblen, optischen datenspeicherung (iii)
EP0275077B1 (en) * 1987-01-13 1992-02-05 Mitsubishi Kasei Corporation Anthraquinone compounds and polarizing film containing the same
US5595686A (en) * 1994-09-02 1997-01-21 Shin-Etsu Chemical Co., Ltd. Silacyclohexane compounds, a liquid crystal composition comprising the same and a liquid crystal device comprising the composition
EP2931839B1 (en) 2012-12-13 2017-11-01 Merck Patent GmbH Liquid-crystalline medium
JP6527471B2 (ja) 2013-03-05 2019-06-05 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Ｍｅｒｃｋ Ｐａｔｅｎｔ Ｇｅｓｅｌｌｓｃｈａｆｔ ｍｉｔ ｂｅｓｃｈｒａｅｎｋｔｅｒ Ｈａｆｔｕｎｇ エネルギーの通過を調節するためのデバイス
WO2014180525A1 (de) 2013-05-08 2014-11-13 Merck Patent Gmbh Vorrichtung mit zwei flüssigkristallinen schaltschichten zur regulierung des optischen energie-durchtritts
US10344217B2 (en) 2013-05-24 2019-07-09 Merck Patent Gmbh Device for controlling the passage of energy, containing a dichroic dye compound
EP3623451B1 (de) 2013-12-19 2021-01-20 Merck Patent GmbH Verbindung
DE102015005800A1 (de) 2015-05-06 2016-11-10 Merck Patent Gmbh Thiadiazolochinoxalinderivate
WO2017008880A1 (de) 2015-07-10 2017-01-19 Merck Patent Gmbh Dithioalkylpyrrolopyrrole und ihre verwendung als farbstoffe
WO2018001919A1 (en) 2016-06-28 2018-01-04 Merck Patent Gmbh Liquid crystalline medium
EP3487955B1 (en) 2016-07-19 2020-05-20 Merck Patent GmbH Liquid crystalline medium
US11667845B2 (en) 2018-06-11 2023-06-06 Merck Patent Gmbh Liquid crystalline medium
US12043782B2 (en) 2018-06-20 2024-07-23 Merck Patent Gmbh Liquid crystalline medium
EP3856869B1 (en) 2018-09-25 2024-04-03 Merck Patent GmbH Azo dye
CN113166652B (zh) 2018-11-23 2025-01-21 默克专利股份有限公司 二色性染料组合物
KR102837400B1 (ko) 2018-12-19 2025-07-25 메르크 파텐트 게엠베하 스위칭 소자에 사용하기 위한 스위칭 층
US12134725B2 (en) 2019-06-17 2024-11-05 Merck Patent Gmbh Liquid crystal-based light valve
EP3839620B1 (en) 2019-12-16 2025-02-26 Merck Patent GmbH Device for the regulation of light transmission
WO2022122871A1 (en) 2020-12-11 2022-06-16 Merck Patent Gmbh Device for the regulation of light transmission
US12157852B2 (en) 2021-03-11 2024-12-03 Nippon Kayaku Kabushiki Kaisha Anthraquinone compound, liquid crystal composition containing said compound, and dimming element
WO2023094404A1 (en) 2021-11-24 2023-06-01 Merck Patent Gmbh Liquid crystal medium and liquid crystal display
WO2024251656A1 (en) 2023-06-05 2024-12-12 Merck Patent Gmbh Liquid crystalline medium
WO2025061649A1 (en) 2023-09-20 2025-03-27 Merck Patent Gmbh Liquid crystal medium
US20250236795A1 (en) 2024-01-18 2025-07-24 Merck Patent Gmbh Liquid-crystalline medium

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2259970A1 (de) * 1972-12-07 1974-06-12 Bayer Ag Massefaerben von polyestern
DE2843703A1 (de) * 1978-10-06 1980-04-17 Bayer Ag Verfahren zum faerben und bedrucken von cellulosefasern

Also Published As

Publication number Publication date
JPH0237948B2 (enrdf_load_stackoverflow) 1990-08-28
JPS57158262A (en) 1982-09-30
GB2094822A (en) 1982-09-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee