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
DE3603266A1 (en) * 1986-02-04 1987-08-06 Roehm Gmbh DEVICE FOR REVERSIBLE, OPTICAL DATA STORAGE (II)
DE3603267A1 (en) * 1986-02-04 1987-08-06 Roehm Gmbh DEVICE FOR REVERSIBLE, OPTICAL DATA STORAGE (I)
DE3603268A1 (en) * 1986-02-04 1987-09-24 Roehm Gmbh METHOD FOR REVERSIBLE, OPTICAL DATA STORAGE (III)
KR940011910B1 (en) * 1987-01-13 1994-12-27 미쓰비시 가세이 가부시끼가이샤 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
CN104837959B (en) 2012-12-13 2017-09-19 默克专利股份有限公司 Liquid crystal media
CN105103046A (en) 2013-03-05 2015-11-25 默克专利股份有限公司 Device for regulating the passage of optical energy
CN105190419A (en) 2013-05-08 2015-12-23 默克专利股份有限公司 Device comprising two liquid crystal switching layers for regulating the passage of optical energy
CN105377995B (en) 2013-05-24 2018-09-04 默克专利股份有限公司 Include the device for adjusting energy penetration of dichroic dye compound
CN113684038A (en) 2013-12-19 2021-11-23 默克专利股份有限公司 Apparatus for regulating light transmission
DE102015005800A1 (en) 2015-05-06 2016-11-10 Merck Patent Gmbh Thiadiazolochinoxalinderivate
CN107849048B (en) 2015-07-10 2021-05-25 默克专利股份有限公司 Dithioalkyl pyrrolopyrroles and their use as dyes
US10982150B2 (en) 2016-06-28 2021-04-20 Merck Patent Gmbh Liquid crystalline medium
US11168257B2 (en) 2016-07-19 2021-11-09 Merck Patent Gmbh Liquid crystalline medium
KR20210019511A (en) 2018-06-11 2021-02-22 메르크 파텐트 게엠베하 Liquid crystal medium
KR20210022647A (en) 2018-06-20 2021-03-03 메르크 파텐트 게엠베하 Liquid crystal medium
WO2020064591A1 (en) 2018-09-25 2020-04-02 Merck Patent Gmbh Azo dye
WO2020104563A1 (en) 2018-11-23 2020-05-28 Merck Patent Gmbh Dichroic dye composition
JP2022516008A (en) 2018-12-19 2022-02-24 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 Switching layer used for switching elements
EP3983501A1 (en) 2019-06-17 2022-04-20 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
WO2022191169A1 (en) * 2021-03-11 2022-09-15 日本化薬株式会社 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

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

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Legal Events

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