GB1432692A - Liquid crystals - Google Patents

Liquid crystals

Info

Publication number
GB1432692A
GB1432692A GB1991673A GB1991673A GB1432692A GB 1432692 A GB1432692 A GB 1432692A GB 1991673 A GB1991673 A GB 1991673A GB 1991673 A GB1991673 A GB 1991673A GB 1432692 A GB1432692 A GB 1432692A
Authority
GB
United Kingdom
Prior art keywords
april
halogen
liquid crystals
phenyl
comptroller
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
GB1991673A
Other languages
English (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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB1432692A publication Critical patent/GB1432692A/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
    • C09K19/04—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
    • C09K19/20—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers
    • C09K19/2007—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers the chain containing -COO- or -OCO- groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB1991673A 1972-04-26 1973-04-26 Liquid crystals Expired GB1432692A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24756372A 1972-04-26 1972-04-26

Publications (1)

Publication Number Publication Date
GB1432692A true GB1432692A (en) 1976-04-22

Family

ID=22935371

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1991673A Expired GB1432692A (en) 1972-04-26 1973-04-26 Liquid crystals

Country Status (3)

Country Link
CA (1) CA997134A (enrdf_load_stackoverflow)
FR (1) FR2181943B1 (enrdf_load_stackoverflow)
GB (1) GB1432692A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050023A1 (en) * 1980-10-13 1982-04-21 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Liquid crystal devices
US4621901A (en) * 1984-07-12 1986-11-11 Hoffmann-La Roche Inc. Novel liquid crystal mixtures
US4659501A (en) * 1984-01-30 1987-04-21 Chisso Corporation 2-cyano-4-halogenophenyl substituted-benzoates
US4676604A (en) * 1983-03-16 1987-06-30 Hoffmann-La Roche Inc. Liquid crystals
US5238602A (en) * 1984-07-16 1993-08-24 Hoffmann La Roche Inc. Liquid crystals

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001137A (en) * 1971-08-07 1977-01-04 Merck Patent Gesellschaft Mit Beschrankter Haftung Nematic compounds and mixtures
US4147651A (en) * 1974-09-03 1979-04-03 Beckman Instruments, Inc. Biphenyl based liquid crystal compositions
US3984344A (en) * 1975-04-30 1976-10-05 General Electric Company Positive dielectric anisotropy liquid crystal compositions
FR2439765A1 (fr) * 1978-10-27 1980-05-23 Thomson Csf Compose organique mesomorphe dont la formule chimique derive d'un acide alcoxy-4 tetrafluorobenzoique, et dispositif a cristal liquide utilisant un tel compose
EP0019665B2 (de) * 1979-05-28 1987-12-16 MERCK PATENT GmbH Flüssigkristalline Verbindungen
US4399298A (en) * 1980-02-15 1983-08-16 Chisso Corporation Carboxylic acid ester derivatives of 4-fluorophenol
FR2604440B1 (fr) * 1986-09-30 1988-11-10 Thomson Csf Polymeres mesomorphes a chaines laterales derives du 1-(phenyl)-2-(4-cyanophenyl) ethane

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050023A1 (en) * 1980-10-13 1982-04-21 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Liquid crystal devices
US4566759A (en) * 1980-10-13 1986-01-28 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Laterally fluorinated liquid crystal materials and frequency change devices
US4676604A (en) * 1983-03-16 1987-06-30 Hoffmann-La Roche Inc. Liquid crystals
US5013478A (en) * 1983-03-16 1991-05-07 Hoffmann-La Roche Inc. Liquid crystals
US4659501A (en) * 1984-01-30 1987-04-21 Chisso Corporation 2-cyano-4-halogenophenyl substituted-benzoates
US4621901A (en) * 1984-07-12 1986-11-11 Hoffmann-La Roche Inc. Novel liquid crystal mixtures
US4709030A (en) * 1984-07-12 1987-11-24 Hoffmann-La Roche Inc. Novel liquid crystal mixtures
US5238602A (en) * 1984-07-16 1993-08-24 Hoffmann La Roche Inc. Liquid crystals

Also Published As

Publication number Publication date
CA997134A (en) 1976-09-21
FR2181943A1 (enrdf_load_stackoverflow) 1973-12-07
FR2181943B1 (enrdf_load_stackoverflow) 1975-08-22

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Legal Events

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