GB2255776B - Liquid crystal cyanoalkanes and cyanoalkenes - Google Patents

Liquid crystal cyanoalkanes and cyanoalkenes

Info

Publication number
GB2255776B
GB2255776B GB9215306A GB9215306A GB2255776B GB 2255776 B GB2255776 B GB 2255776B GB 9215306 A GB9215306 A GB 9215306A GB 9215306 A GB9215306 A GB 9215306A GB 2255776 B GB2255776 B GB 2255776B
Authority
GB
United Kingdom
Prior art keywords
cyanoalkenes
cyanoalkanes
liquid crystal
crystal
liquid
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 - Fee Related
Application number
GB9215306A
Other versions
GB9215306D0 (en
GB2255776A (en
Inventor
George William Gray
David Lacey
Kenneth Johnson Toyne
Ibrahim Gindy Shenouda
Abdul Luheshi
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.)
UK Secretary of State for Defence
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
Priority claimed from GB909002830A external-priority patent/GB9002830D0/en
Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB9215306A priority Critical patent/GB2255776B/en
Publication of GB9215306D0 publication Critical patent/GB9215306D0/en
Publication of GB2255776A publication Critical patent/GB2255776A/en
Application granted granted Critical
Publication of GB2255776B publication Critical patent/GB2255776B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
    • C07C255/32—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring
    • C07C255/35—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring the carbon skeleton being further substituted by halogen atoms, or by nitro or nitroso groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
    • C07C255/32—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring
    • C07C255/33—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring with cyano groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by saturated carbon chains
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
    • C07C255/32—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring
    • C07C255/37—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring the carbon skeleton being further substituted by etherified hydroxy groups
    • 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
    • C09K19/30—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
    • C09K19/3001—Cyclohexane rings
    • C09K19/3028—Cyclohexane rings in which at least two rings are linked by a carbon chain containing carbon to carbon single bonds
    • 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
    • C09K19/32—Non-steroidal liquid crystal compounds containing condensed ring systems, i.e. fused, bridged or spiro ring systems
    • C09K19/321—Compounds containing a bicyclo [2,2,2] octane ring
    • 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
    • C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
    • C09K19/44—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing compounds with benzene rings directly linked
    • 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
    • C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
    • C09K19/46—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing esters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB9215306A 1990-02-08 1992-07-17 Liquid crystal cyanoalkanes and cyanoalkenes Expired - Fee Related GB2255776B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9215306A GB2255776B (en) 1990-02-08 1992-07-17 Liquid crystal cyanoalkanes and cyanoalkenes

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB909002830A GB9002830D0 (en) 1990-02-08 1990-02-08 L.c.cyanoalkenes & alkenes
PCT/GB1991/000188 WO1991012233A1 (en) 1990-02-08 1991-02-06 Liquid crystal cyanoalkanes and cyanoalkenes
GB9215306A GB2255776B (en) 1990-02-08 1992-07-17 Liquid crystal cyanoalkanes and cyanoalkenes

Publications (3)

Publication Number Publication Date
GB9215306D0 GB9215306D0 (en) 1992-09-16
GB2255776A GB2255776A (en) 1992-11-18
GB2255776B true GB2255776B (en) 1993-09-08

Family

ID=26296631

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9215306A Expired - Fee Related GB2255776B (en) 1990-02-08 1992-07-17 Liquid crystal cyanoalkanes and cyanoalkenes

Country Status (1)

Country Link
GB (1) GB2255776B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH585703A5 (en) * 1972-08-18 1977-03-15 Philips Nv
EP0134570A2 (en) * 1983-09-10 1985-03-20 MERCK PATENT GmbH Anisotropic compounds and mixtures of liquid crystals
DD254590A5 (en) * 1986-02-17 1988-03-02 Merck Patent Gmbh,De CHIRAL-TREATED SMEKTIC LIQUID CRYSTALLINE PHASE
DE3731619A1 (en) * 1986-10-01 1988-04-14 Merck Patent Gmbh Nitrogen-containing compounds for use in liquid-crystalline mixtures
US4748264A (en) * 1986-05-27 1988-05-31 Pennwalt Corporation Substituted alpha-[2'-tricyclo[3.3.1.13,7 ]-decylidene]benzeneacetonitrile derivatives

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH585703A5 (en) * 1972-08-18 1977-03-15 Philips Nv
EP0134570A2 (en) * 1983-09-10 1985-03-20 MERCK PATENT GmbH Anisotropic compounds and mixtures of liquid crystals
DD254590A5 (en) * 1986-02-17 1988-03-02 Merck Patent Gmbh,De CHIRAL-TREATED SMEKTIC LIQUID CRYSTALLINE PHASE
US4748264A (en) * 1986-05-27 1988-05-31 Pennwalt Corporation Substituted alpha-[2'-tricyclo[3.3.1.13,7 ]-decylidene]benzeneacetonitrile derivatives
DE3731619A1 (en) * 1986-10-01 1988-04-14 Merck Patent Gmbh Nitrogen-containing compounds for use in liquid-crystalline mixtures

Also Published As

Publication number Publication date
GB9215306D0 (en) 1992-09-16
GB2255776A (en) 1992-11-18

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040206