DE3378767D1 - Pleochroic anthraquinone dyes - Google Patents

Pleochroic anthraquinone dyes

Info

Publication number
DE3378767D1
DE3378767D1 DE8383304181T DE3378767T DE3378767D1 DE 3378767 D1 DE3378767 D1 DE 3378767D1 DE 8383304181 T DE8383304181 T DE 8383304181T DE 3378767 T DE3378767 T DE 3378767T DE 3378767 D1 DE3378767 D1 DE 3378767D1
Authority
DE
Germany
Prior art keywords
anthraquinone dyes
pleochroic anthraquinone
pleochroic
dyes
anthraquinone
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
DE8383304181T
Other languages
English (en)
Inventor
David Francis Newton
David John Thompson
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
Application granted granted Critical
Publication of DE3378767D1 publication Critical patent/DE3378767D1/de
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
    • 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
    • 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
    • C09B1/06—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
    • C09B1/51—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
DE8383304181T 1982-08-18 1983-07-19 Pleochroic anthraquinone dyes Expired DE3378767D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8223718 1982-08-18

Publications (1)

Publication Number Publication Date
DE3378767D1 true DE3378767D1 (de) 1989-02-02

Family

ID=10532363

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383304181T Expired DE3378767D1 (de) 1982-08-18 1983-07-19 Pleochroic anthraquinone dyes

Country Status (4)

Country Link
EP (1) EP0103952B1 (de)
JP (1) JPS5953551A (de)
DE (1) DE3378767D1 (de)
GB (1) GB2126599B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3244815A1 (de) * 1982-12-03 1984-06-07 Bayer Ag, 5090 Leverkusen Anthrachinonfarbstoffe, ihre herstellung und verwendung sowie dichroitisches material enthaltend anthrachinonfarbstoffe
EP1240841B1 (de) 2001-03-12 2004-10-20 Richemont International S.A. Faltverschluss für auswechselbares Armband

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU535899B2 (en) * 1979-02-23 1984-04-12 Minnesota Mining And Manufacturing Company Liquid crystal-pleochroic dye compositions
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
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
GB2082196B (en) * 1980-07-29 1985-01-23 Secr Defence Liquid crystal materials containing anthraquinone pleochroic dyes
EP0142617B1 (de) * 1981-02-25 1987-07-22 Imperial Chemical Industries Plc Pleochroitische Anthrachinonfarbstoffe
JPS57172971A (en) * 1981-02-25 1982-10-25 Secr Defence Brit Substance suitable for guest-host liquid crystal device and liquid crystal electrooptical device
EP0059095B1 (de) * 1981-02-25 1987-04-29 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Pleochroitische Farbstoffe enthaltende flüssigkristalline Materialien
FR2501215B1 (fr) * 1981-03-06 1986-06-27 Chloe Chemie Fabrication de mousses rigides de polyurethane a partir de composes polyhydroxyles polyaromatiques
JPS58185678A (ja) * 1982-04-07 1983-10-29 イギリス国 ゲスト―ホスト液晶装置に適する組成物及び液晶電気光学装置
DE3380962D1 (de) * 1982-08-18 1990-01-18 Secr Defence Brit Organische materialien fuer eine fluessigkristallvorrichtung.
DE3244815A1 (de) * 1982-12-03 1984-06-07 Bayer Ag, 5090 Leverkusen Anthrachinonfarbstoffe, ihre herstellung und verwendung sowie dichroitisches material enthaltend anthrachinonfarbstoffe
JPH0237948A (ja) * 1988-07-27 1990-02-07 Nkk Corp 溶鋼の連続鋳造方法

Also Published As

Publication number Publication date
GB2126599A (en) 1984-03-28
EP0103952B1 (de) 1988-12-28
EP0103952A2 (de) 1984-03-28
GB2126599B (en) 1986-10-15
JPS5953551A (ja) 1984-03-28
GB8319494D0 (en) 1983-08-17
EP0103952A3 (en) 1986-05-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee