DE68928302D1 - Fluorinierte 4"-cyanosubstituierte terphenyle - Google Patents

Fluorinierte 4"-cyanosubstituierte terphenyle

Info

Publication number
DE68928302D1
DE68928302D1 DE68928302T DE68928302T DE68928302D1 DE 68928302 D1 DE68928302 D1 DE 68928302D1 DE 68928302 T DE68928302 T DE 68928302T DE 68928302 T DE68928302 T DE 68928302T DE 68928302 D1 DE68928302 D1 DE 68928302D1
Authority
DE
Germany
Prior art keywords
terphenyle
fluorinated
cyano substituted
cyano
substituted
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 - Lifetime
Application number
DE68928302T
Other languages
English (en)
Other versions
DE68928302T2 (de
Inventor
David Coates
Ian Sage
Simon Greenfield
George Gray
David Lacey
Kenneth Toyne
Lawrence Chan
Michael Hird
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.)
Qinetiq Ltd
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Application granted granted Critical
Publication of DE68928302D1 publication Critical patent/DE68928302D1/de
Publication of DE68928302T2 publication Critical patent/DE68928302T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/49—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C255/50—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of non-condensed six-membered aromatic rings
    • 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
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/12—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings at least two benzene rings directly linked, e.g. biphenyls
DE68928302T 1988-06-16 1989-06-09 Fluorinierte 4"-cyanosubstituierte terphenyle Expired - Lifetime DE68928302T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888814327A GB8814327D0 (en) 1988-06-16 1988-06-16 Fluorinated 4"-cyano substituted terphenyls
PCT/GB1989/000647 WO1989012621A1 (en) 1988-06-16 1989-06-09 Fluorinated 4''-cyano substituted terphenyls

Publications (2)

Publication Number Publication Date
DE68928302D1 true DE68928302D1 (de) 1997-10-09
DE68928302T2 DE68928302T2 (de) 1998-01-08

Family

ID=10638804

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68928302T Expired - Lifetime DE68928302T2 (de) 1988-06-16 1989-06-09 Fluorinierte 4"-cyanosubstituierte terphenyle

Country Status (5)

Country Link
EP (1) EP0440643B1 (de)
JP (2) JP2746711B2 (de)
DE (1) DE68928302T2 (de)
GB (2) GB8814327D0 (de)
WO (1) WO1989012621A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2236759B (en) * 1989-10-02 1993-09-15 Merck Patent Gmbh Method for increasing the dielectric anisotropy of liquid crystals
JP2962825B2 (ja) * 1989-10-02 1999-10-12 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 ハフトング 電気光学液晶系
US5958290A (en) * 1989-10-02 1999-09-28 Merck Patent Gesellschaft Mit Beschrankter Haftung Electrooptical liquid crystal system
GB8928282D0 (en) * 1989-12-14 1990-02-21 Secr Defence Pdlc materials
WO1996002610A1 (fr) * 1994-07-15 1996-02-01 Seiko Epson Corporation Composition de cristaux liquides et element d'affichage a cristaux liquides produit a partir de celle-ci
DE4445224B4 (de) * 1994-12-17 2014-03-27 Merck Patent Gmbh Benzolderivate
DE10039377A1 (de) * 1999-09-03 2001-03-08 Merck Patent Gmbh Thermochromes flüssigkristallines Medium
JP5082171B2 (ja) * 2001-02-01 2012-11-28 Ｄｉｃ株式会社 ネマチック液晶組成物及びこれを用いた液晶表示装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1433130A (en) 1972-11-09 1976-04-22 Secr Defence Substituted biphenyl and polyphenyl compounds and liquid crystal materials and devices containing them
FR2207758A1 (en) * 1972-11-09 1974-06-21 United Kingdom Government Liquid crystal material - comprising two or more benzene rings para substd at both ends of the chain
GB1556994A (en) * 1975-09-03 1979-12-05 Secr Defence Optically active cyanobiphenyl compounds and liquid crystal materials and devices containing them
GB2039937A (en) 1979-01-17 1980-08-20 Gray G Liquid crystal composition
DE2939782A1 (de) * 1979-09-07 1981-04-02 BBC AG Brown, Boveri & Cie., Baden, Aargau Aromatische verbindungen mit negativer dk-anisotropie
GB8319849D0 (en) * 1983-07-22 1983-08-24 Secr Defence Compounds containing fluorobiphenyl group
DE3500897A1 (de) * 1985-01-12 1986-07-17 Merck Patent Gmbh, 6100 Darmstadt Fluessigkristalline phase
WO1986004324A1 (en) * 1985-01-22 1986-07-31 MERCK Patent Gesellschaft mit beschränkter Haftung Smectic a liquid crystal compositions

Also Published As

Publication number Publication date
JP2813586B2 (ja) 1998-10-22
GB2243605A (en) 1991-11-06
WO1989012621A1 (en) 1989-12-28
EP0440643A1 (de) 1991-08-14
GB9025921D0 (en) 1991-01-09
EP0440643B1 (de) 1997-09-03
GB2243605B (en) 1992-08-05
DE68928302T2 (de) 1998-01-08
GB8814327D0 (en) 1988-07-20
JP2746711B2 (ja) 1998-05-06
JPH03505093A (ja) 1991-11-07
JPH10114733A (ja) 1998-05-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: QINETIQ LTD., LONDON, GB