BE807165A - Matieres cristallines liquides et appareils en comprenant - Google Patents

Matieres cristallines liquides et appareils en comprenant

Info

Publication number
BE807165A
BE807165A BE137620A BE137620A BE807165A BE 807165 A BE807165 A BE 807165A BE 137620 A BE137620 A BE 137620A BE 137620 A BE137620 A BE 137620A BE 807165 A BE807165 A BE 807165A
Authority
BE
Belgium
Prior art keywords
apparatus including
liquid crystalline
crystalline materials
materials
liquid
Prior art date
Application number
BE137620A
Other languages
English (en)
Inventor
G W Gray
K J Harrison
D S Hulme
E P Raynes
Original Assignee
Secr Defence Brit
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 GB5169872A external-priority patent/GB1433130A/en
Priority claimed from GB4846873A external-priority patent/GB1452826A/en
Application filed by Secr Defence Brit filed Critical Secr Defence Brit
Publication of BE807165A publication Critical patent/BE807165A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/45—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by at least one doubly—bound oxygen atom, not being part of a —CHO group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/35—Preparation of halogenated hydrocarbons by reactions not affecting the number of carbon or of halogen atoms in the reaction
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/06—Compounds containing nitro groups bound to a carbon skeleton having nitro groups bound to carbon atoms of six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/07—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by halogen atoms
    • C07C205/11—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by halogen atoms having nitro groups bound to carbon atoms of six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/07—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by halogen atoms
    • C07C205/11—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by halogen atoms having nitro groups bound to carbon atoms of six-membered aromatic rings
    • C07C205/12—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by halogen atoms having nitro groups bound to carbon atoms of six-membered aromatic rings the six-membered aromatic ring or a condensed ring system containing that ring being substituted by halogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/27—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by etherified hydroxy groups
    • C07C205/35—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by etherified hydroxy groups having nitro groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/14—Preparation of carboxylic acid nitriles by reaction of cyanides with halogen-containing compounds with replacement of halogen atoms by cyano groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
    • C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
    • C07C29/143—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of ketones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
    • C07C45/46—Friedel-Crafts reactions
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
    • C07C49/80—Ketones containing a keto group bound to a six-membered aromatic ring containing halogen
    • C07C49/813—Ketones containing a keto group bound to a six-membered aromatic ring containing halogen polycyclic
    • 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
    • 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
    • C09K19/126—Compounds containing at least one asymmetric carbon atom
    • 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
    • C09K19/54—Additives having no specific mesophase characterised by their chemical composition
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/02—Ortho- or ortho- and peri-condensed systems
    • C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2603/06—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members
    • C07C2603/10—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings
    • C07C2603/12—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings only one five-membered ring
    • C07C2603/18—Fluorenes; Hydrogenated fluorenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Liquid Crystal Substances (AREA)
BE137620A 1972-11-09 1973-11-09 Matieres cristallines liquides et appareils en comprenant BE807165A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB5169872A GB1433130A (en) 1972-11-09 1972-11-09 Substituted biphenyl and polyphenyl compounds and liquid crystal materials and devices containing them
GB3370973 1973-07-16
GB4846873A GB1452826A (en) 1973-10-17 1973-10-17 Liquid crystal compositions

Publications (1)

Publication Number Publication Date
BE807165A true BE807165A (fr) 1974-03-01

Family

ID=27259157

Family Applications (1)

Application Number Title Priority Date Filing Date
BE137620A BE807165A (fr) 1972-11-09 1973-11-09 Matieres cristallines liquides et appareils en comprenant

Country Status (8)

Country Link
JP (2) JPS5344153B2 (fr)
AT (1) AT340493B (fr)
BE (1) BE807165A (fr)
CH (1) CH601457A5 (fr)
DE (2) DE2356085C2 (fr)
FR (1) FR2207758A1 (fr)
NL (1) NL173279C (fr)
SE (1) SE409724B (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3951846A (en) * 1974-06-28 1976-04-20 Rca Corporation Novel liquid crystal electro-optic devices
US3954653A (en) * 1973-07-06 1976-05-04 Kabushiki Kaisha Suwa Seikosha Liquid crystal composition having high dielectric anisotropy and display device incorporating same
US3974087A (en) * 1973-10-17 1976-08-10 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
US3975286A (en) * 1974-09-03 1976-08-17 Beckman Instruments, Inc. Low voltage actuated field effect liquid crystals compositions and method of synthesis
US3979321A (en) * 1974-06-14 1976-09-07 Thomson-Csf Mixture of liquid crystals exhibiting positive dielectric anisotropy and a wide mesomorphic range
US4003844A (en) * 1975-11-17 1977-01-18 Rca Corporation Liquid crystal devices
US4017416A (en) * 1974-10-11 1977-04-12 Chisso Corporation P-cyanophenyl 4-alkyl-4'-biphenylcarboxylate, method for preparing same and liquid crystal compositions using same
US4020002A (en) * 1974-02-28 1977-04-26 Beckman Instruments, Inc. Non-schiff base field effect liquid crystal composition
US4046708A (en) * 1973-11-28 1977-09-06 Thomson-Csf Mixture of nematic liquid crystals exhibiting a positive dielectric anisotropy and a wide temperature range
US4069167A (en) * 1974-09-25 1978-01-17 Chisso Corporation Liquid crystal composition
US4083797A (en) * 1974-09-03 1978-04-11 Beckman Instruments, Inc. Nematic liquid crystal compositions
US4137192A (en) * 1974-01-25 1979-01-30 Canon Kabushiki Kaisha Liquid crystalline composition

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE409724B (sv) * 1972-11-09 1979-09-03 Secr Defence Brit Flytande kristallkomposition
JPS5137880A (ja) * 1974-09-26 1976-03-30 Chisso Corp Ekishososeibutsu
JPS5137882A (ja) * 1974-09-26 1976-03-30 Chisso Corp Ekishososeibutsu
JPS5137881A (ja) * 1974-09-26 1976-03-30 Chisso Corp Ekishososeibutsu
JPS5175050A (en) * 1974-12-19 1976-06-29 Fuji Pigment 44 arukiru 4** shianobifueniruoyobi 44 arukokishi 4** shianobifueniruno seizoho
GB1556994A (en) * 1975-09-03 1979-12-05 Secr Defence Optically active cyanobiphenyl compounds and liquid crystal materials and devices containing them
US4253740A (en) * 1977-09-12 1981-03-03 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 and devices containing them
GB2009219B (en) * 1977-11-02 1982-04-28 Secr Defence Liquid ctystal material mixtures and devices incorporating such mixtures
DE2918775A1 (de) 1979-05-10 1980-11-20 Merck Patent Gmbh Diketone, verfahren zu ihrer herstellung und ihre verwendung als komponenten fluessigkristalliner dielektrika
DE2948836A1 (de) * 1979-12-05 1981-06-11 Merck Patent Gmbh, 6100 Darmstadt Partiell hydrierte oligo-1,4-phenylene, diese enthaltende dielektrika und elektrooptisches anzeigeelement
FR2486955A1 (fr) * 1980-07-18 1982-01-22 Thomson Csf Cristal liquide smectique de type a presentant une anisotropie dielectrique positive
JPS5770336U (fr) * 1980-10-14 1982-04-28
DE3136624A1 (de) * 1981-09-15 1983-03-31 Merck Patent Gmbh, 6100 Darmstadt Fluessigkristalline halogenverbindungen, verfahren zu ihrer herstellung, diese enthaltende dielektrika und elektrooptisches anzeigeelement
DE3209178A1 (de) * 1982-03-13 1983-09-15 Merck Patent Gmbh, 6100 Darmstadt Polyhalogenaromaten
US4550981A (en) * 1982-09-30 1985-11-05 Hoffmann-La Roche Inc. Liquid crystalline esters and mixtures
JPS62137039U (fr) * 1986-02-24 1987-08-28
DE3609141A1 (de) * 1986-03-19 1987-09-24 Merck Patent Gmbh Elektrooptisches anzeigeelement
GB8814327D0 (en) * 1988-06-16 1988-07-20 Secr Defence Fluorinated 4"-cyano substituted terphenyls
CH683522A5 (de) * 1992-03-13 1994-03-31 Hoffmann La Roche Verfahren zur Herstellung von Diarylen.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1410329A (en) * 1971-12-29 1975-10-15 Secr Defence Liquid crystal devices
SE409724B (sv) * 1972-11-09 1979-09-03 Secr Defence Brit Flytande kristallkomposition
GB1556994A (en) * 1975-09-03 1979-12-05 Secr Defence Optically active cyanobiphenyl compounds and liquid crystal materials and devices containing them

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954653A (en) * 1973-07-06 1976-05-04 Kabushiki Kaisha Suwa Seikosha Liquid crystal composition having high dielectric anisotropy and display device incorporating same
US3974087A (en) * 1973-10-17 1976-08-10 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
US4046708A (en) * 1973-11-28 1977-09-06 Thomson-Csf Mixture of nematic liquid crystals exhibiting a positive dielectric anisotropy and a wide temperature range
US4137192A (en) * 1974-01-25 1979-01-30 Canon Kabushiki Kaisha Liquid crystalline composition
US4020002A (en) * 1974-02-28 1977-04-26 Beckman Instruments, Inc. Non-schiff base field effect liquid crystal composition
US3979321A (en) * 1974-06-14 1976-09-07 Thomson-Csf Mixture of liquid crystals exhibiting positive dielectric anisotropy and a wide mesomorphic range
US3951846A (en) * 1974-06-28 1976-04-20 Rca Corporation Novel liquid crystal electro-optic devices
US4083797A (en) * 1974-09-03 1978-04-11 Beckman Instruments, Inc. Nematic liquid crystal compositions
US3975286A (en) * 1974-09-03 1976-08-17 Beckman Instruments, Inc. Low voltage actuated field effect liquid crystals compositions and method of synthesis
US4147651A (en) * 1974-09-03 1979-04-03 Beckman Instruments, Inc. Biphenyl based liquid crystal compositions
US4069167A (en) * 1974-09-25 1978-01-17 Chisso Corporation Liquid crystal composition
US4017416A (en) * 1974-10-11 1977-04-12 Chisso Corporation P-cyanophenyl 4-alkyl-4'-biphenylcarboxylate, method for preparing same and liquid crystal compositions using same
US4003844A (en) * 1975-11-17 1977-01-18 Rca Corporation Liquid crystal devices

Also Published As

Publication number Publication date
DE2356085A1 (de) 1974-05-22
SE409724B (sv) 1979-09-03
AU6225873A (en) 1975-05-08
JPS4995882A (fr) 1974-09-11
FR2207758A1 (en) 1974-06-21
NL173279B (nl) 1983-08-01
JPS608719B2 (ja) 1985-03-05
DE2356085C2 (de) 1982-10-21
NL173279C (nl) 1984-01-02
ATA947573A (de) 1977-04-15
DE2366470C2 (de) 1987-02-19
JPS5344153B2 (fr) 1978-11-27
NL7315405A (fr) 1974-05-13
JPS5358979A (en) 1978-05-27
FR2207758B1 (fr) 1977-09-09
AT340493B (de) 1977-12-12
CH601457A5 (fr) 1978-07-14

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: THE SECRETARY OF STATE FOR DEFENCE IN HER BRITANN

Effective date: 19931109