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 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 (en)
GB (1) GB2094822B (en)

Families Citing this family (30)

* 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 (en) * 1982-07-17 1984-02-14 バイエル・アクチエンゲゼルシヤフト Bichromophoric substance containing anthraquinone dye and novel anthraquinone dye
GB2126601B (en) * 1982-08-18 1986-12-10 Secr Defence Guest-host liquid crystal materials
DE3380962D1 (en) * 1982-08-18 1990-01-18 Secr Defence Brit ORGANIC MATERIALS FOR A LIQUID CRYSTAL DEVICE.
DE3244815A1 (en) * 1982-12-03 1984-06-07 Bayer Ag, 5090 Leverkusen ANTHRACHINONE DYES, THEIR PRODUCTION AND USE, AND DICHROITIC MATERIAL CONTAINING ANTHRACHINONE DYES
DE3603268A1 (en) * 1986-02-04 1987-09-24 Roehm Gmbh METHOD FOR REVERSIBLE, OPTICAL DATA STORAGE (III)
DE3603267A1 (en) * 1986-02-04 1987-08-06 Roehm Gmbh DEVICE FOR REVERSIBLE, OPTICAL DATA STORAGE (I)
DE3603266A1 (en) * 1986-02-04 1987-08-06 Roehm Gmbh DEVICE FOR REVERSIBLE, OPTICAL DATA STORAGE (II)
KR940011910B1 (en) * 1987-01-13 1994-12-27 미쓰비시 가세이 가부시끼가이샤 Anthraquinone compounds and polarizing film containing the same
EP0699683A1 (en) * 1994-09-02 1996-03-06 Shin-Etsu Chemical Co., Ltd. Novel 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
CN112285980A (en) 2013-03-05 2021-01-29 默克专利股份有限公司 Device for adjusting optical energy penetration
KR102266840B1 (en) 2013-05-08 2021-06-18 메르크 파텐트 게엠베하 Device comprising two liquid crystal switching layers for regulating the passage of optical energy
JP6563384B2 (en) 2013-05-24 2019-08-21 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 Device for regulating energy transmission comprising a dichroic dye compound
KR102254011B1 (en) 2013-12-19 2021-05-20 메르크 파텐트 게엠베하 Device for regulating the passage of light
DE102015005800A1 (en) 2015-05-06 2016-11-10 Merck Patent Gmbh Thiadiazolochinoxalinderivate
EP3319964B1 (en) 2015-07-10 2020-07-22 Merck Patent GmbH Dithio-alkyl-pyrrolo-pyrroles and use thereof as dyes
CN109790467B (en) 2016-06-28 2022-08-09 默克专利股份有限公司 Liquid-crystalline medium
EP3487955B1 (en) 2016-07-19 2020-05-20 Merck Patent GmbH Liquid crystalline medium
WO2019238567A1 (en) 2018-06-11 2019-12-19 Merck Patent Gmbh Liquid crystalline medium
JP7391888B2 (en) 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 liquid crystal medium
JP7447099B2 (en) 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 Azo dye
JP7439086B2 (en) 2018-11-23 2024-02-27 メルク・パテント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング Dichroic dye composition
CN113195683A (en) 2018-12-19 2021-07-30 默克专利股份有限公司 Switching layer for switching element
US20220306939A1 (en) 2019-06-17 2022-09-29 Merck Patent Gmbh Liquid crystal-based light valve
EP3839620A1 (en) 2019-12-16 2021-06-23 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
JPWO2022191169A1 (en) * 2021-03-11 2022-09-15
WO2023094404A1 (en) 2021-11-24 2023-06-01 Merck Patent Gmbh Liquid crystal medium and liquid crystal display

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2259970A1 (en) * 1972-12-07 1974-06-12 Bayer Ag MASS COLORS OF POLYESTERS
DE2843703A1 (en) * 1978-10-06 1980-04-17 Bayer Ag METHOD FOR DYEING AND PRINTING CELLULOSE FIBERS

Also Published As

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

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Legal Events

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