DE2450088A1 - Liquid crystalline dielectrics for electronic components - contg biphenylyl carboxylic acid phenyl ester or benzoic acid biphenylyl ester components - Google Patents

Liquid crystalline dielectrics for electronic components - contg biphenylyl carboxylic acid phenyl ester or benzoic acid biphenylyl ester components

Info

Publication number
DE2450088A1
DE2450088A1 DE19742450088 DE2450088A DE2450088A1 DE 2450088 A1 DE2450088 A1 DE 2450088A1 DE 19742450088 DE19742450088 DE 19742450088 DE 2450088 A DE2450088 A DE 2450088A DE 2450088 A1 DE2450088 A1 DE 2450088A1
Authority
DE
Grant status
Application
Patent type
Prior art keywords
biphenylyl
components
ester
carboxylic acid
contg
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.)
Withdrawn
Application number
DE19742450088
Other languages
German (de)
Inventor
Rolf Dipl Chem Steinstraesser
Fernando Del Pino
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.)
Merck Patent GmbH
Original Assignee
Merck Patent GmbH
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

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Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00Liquid crystal materials
    • C09K19/04Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06Non-steroidal liquid crystal compounds
    • C09K19/08Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/20Non-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
    • C09K19/2007Non-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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/08Preparation of carboxylic acids or their salts, halides or anhydrides from nitriles

Abstract

Novel biphenylyl carboxylic acid phenyl esters and benzoic acid biphenylyl esters of formula (I) (where X is -COO- or -O-CO- and R1 and R2 are 1-8C alkyl or alkoxy in unbranched chain) are used as components of liq. crystalline dielectrics in electronic components, e.g. electro-optical display matls. Addn. of (I) to other liq. crystalline matls. causes lowering of m. pt. and increase in clarifying point without high rise in viscosity.
DE19742450088 1974-10-22 1974-10-22 Liquid crystalline dielectrics for electronic components - contg biphenylyl carboxylic acid phenyl ester or benzoic acid biphenylyl ester components Withdrawn DE2450088A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19742450088 DE2450088A1 (en) 1974-10-22 1974-10-22 Liquid crystalline dielectrics for electronic components - contg biphenylyl carboxylic acid phenyl ester or benzoic acid biphenylyl ester components

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
DE19742450088 DE2450088A1 (en) 1974-10-22 1974-10-22 Liquid crystalline dielectrics for electronic components - contg biphenylyl carboxylic acid phenyl ester or benzoic acid biphenylyl ester components
GB4291575A GB1456359A (en) 1974-10-22 1975-10-20 Biphenyl carboxylic esters
FR7531983A FR2288732B1 (en) 1974-10-22 1975-10-20
DD18894975A DD123757A5 (en) 1974-10-22 1975-10-20
US05624400 US4065489A (en) 1974-10-22 1975-10-21 Biphenyl esters and liquid crystalline mixtures comprising them
AT801875A AT341016B (en) 1974-10-22 1975-10-21 Flussigkristallines dielectric
CH1361775A CH614460A5 (en) 1974-10-22 1975-10-21
JP12786075A JPS6031237B2 (en) 1974-10-22 1975-10-22
NL7512370A NL7512370A (en) 1974-10-22 1975-10-22 Biphenyl.
US05840946 US4136053A (en) 1974-10-22 1977-10-11 Biphenyl esters and liquid crystalline mixtures comprising them

Publications (1)

Publication Number Publication Date
DE2450088A1 true true DE2450088A1 (en) 1976-04-29

Family

ID=5928834

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19742450088 Withdrawn DE2450088A1 (en) 1974-10-22 1974-10-22 Liquid crystalline dielectrics for electronic components - contg biphenylyl carboxylic acid phenyl ester or benzoic acid biphenylyl ester components

Country Status (1)

Country Link
DE (1) DE2450088A1 (en)

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US4077900A (en) * 1976-03-18 1978-03-07 Merck Patent Gesellschaft Mit Beschrankter Haftung Liquid crystalline dielectric composition
US4113647A (en) * 1976-08-13 1978-09-12 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Liquid crystalline materials
US4149413A (en) * 1976-08-16 1979-04-17 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Norther Ireland Optically active liquid crystal mixtures and liquid crystal devices containing them
JPS59219251A (en) * 1983-05-04 1984-12-10 Chisso Corp Liquid crystal substance and liquid crystal composition
JPS59231043A (en) * 1983-06-14 1984-12-25 Chisso Corp Liquid crystal substance and liquid crystal composition
EP0154849A2 (en) 1984-02-27 1985-09-18 MERCK PATENT GmbH Cyclohexane derivatives
WO1987004158A2 (en) 1986-01-03 1987-07-16 MERCK Patent Gesellschaft mit beschränkter Haftung Heterocyclic compounds as components of liquid crystal phases
EP0361532A2 (en) 1986-01-20 1990-04-04 MERCK PATENT GmbH Ethane derivatives
EP0690052A2 (en) 1994-07-01 1996-01-03 Hoechst Aktiengesellschaft Use of pyrimidine groups containing conjugated compounds as electroluminescence materials
WO2001040154A1 (en) * 1999-12-02 2001-06-07 Merck Patent Gmbh Method for producing 4'-alkyl-4-hydroxy-biphenyl derivatives
US6740369B2 (en) 2001-07-31 2004-05-25 Merck Patent Gmbh Liquid-crystalline medium
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4077900A (en) * 1976-03-18 1978-03-07 Merck Patent Gesellschaft Mit Beschrankter Haftung Liquid crystalline dielectric composition
US4113647A (en) * 1976-08-13 1978-09-12 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Liquid crystalline materials
US4149413A (en) * 1976-08-16 1979-04-17 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Norther Ireland Optically active liquid crystal mixtures and liquid crystal devices containing them
JPS59219251A (en) * 1983-05-04 1984-12-10 Chisso Corp Liquid crystal substance and liquid crystal composition
JPH0623135B2 (en) 1983-05-04 1994-03-30 チッソ株式会社 Liquid crystal material and a liquid crystal composition
JPS59231043A (en) * 1983-06-14 1984-12-25 Chisso Corp Liquid crystal substance and liquid crystal composition
EP0154849A2 (en) 1984-02-27 1985-09-18 MERCK PATENT GmbH Cyclohexane derivatives
WO1987004158A2 (en) 1986-01-03 1987-07-16 MERCK Patent Gesellschaft mit beschränkter Haftung Heterocyclic compounds as components of liquid crystal phases
EP0361532A2 (en) 1986-01-20 1990-04-04 MERCK PATENT GmbH Ethane derivatives
EP0690052A2 (en) 1994-07-01 1996-01-03 Hoechst Aktiengesellschaft Use of pyrimidine groups containing conjugated compounds as electroluminescence materials
WO2001040154A1 (en) * 1999-12-02 2001-06-07 Merck Patent Gmbh Method for producing 4'-alkyl-4-hydroxy-biphenyl derivatives
US6740369B2 (en) 2001-07-31 2004-05-25 Merck Patent Gmbh Liquid-crystalline medium
EP2251397A2 (en) 2002-04-12 2010-11-17 Merck Patent GmbH Liquid crystalline medium and electrooptical display containing it
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