DE2415929A1 - Fluessigkristalline mischungen - Google Patents

Fluessigkristalline mischungen

Info

Publication number
DE2415929A1
DE2415929A1 DE2415929A DE2415929A DE2415929A1 DE 2415929 A1 DE2415929 A1 DE 2415929A1 DE 2415929 A DE2415929 A DE 2415929A DE 2415929 A DE2415929 A DE 2415929A DE 2415929 A1 DE2415929 A1 DE 2415929A1
Authority
DE
Germany
Prior art keywords
acid
cyanophenyl ester
mixture according
ester
cyanophenyl
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.)
Pending
Application number
DE2415929A
Other languages
German (de)
English (en)
Inventor
Arthur Dr Boller
Hanspeter Dr Scherrer
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of DE2415929A1 publication Critical patent/DE2415929A1/de
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • 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
    • 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)
  • Liquid Crystal Substances (AREA)
DE2415929A 1973-04-04 1974-04-02 Fluessigkristalline mischungen Pending DE2415929A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH479973A CH577178A5 (forum.php) 1973-04-04 1973-04-04

Publications (1)

Publication Number Publication Date
DE2415929A1 true DE2415929A1 (de) 1974-10-17

Family

ID=4282743

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2415929A Pending DE2415929A1 (de) 1973-04-04 1974-04-02 Fluessigkristalline mischungen

Country Status (13)

Country Link
US (1) US3981817A (forum.php)
JP (1) JPS49129684A (forum.php)
AU (1) AU6653074A (forum.php)
BE (1) BE813213A (forum.php)
CH (1) CH577178A5 (forum.php)
DD (1) DD112052A5 (forum.php)
DE (1) DE2415929A1 (forum.php)
FR (1) FR2224205B1 (forum.php)
GB (1) GB1410582A (forum.php)
IL (1) IL44332A0 (forum.php)
IT (1) IT1003672B (forum.php)
NL (1) NL7404468A (forum.php)
ZA (1) ZA741239B (forum.php)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984344A (en) * 1975-04-30 1976-10-05 General Electric Company Positive dielectric anisotropy liquid crystal compositions
US4000084A (en) * 1973-12-17 1976-12-28 Hughes Aircraft Company Liquid crystal mixtures for electro-optical display devices
US4014811A (en) * 1974-12-28 1977-03-29 Dai Nippon Toryo Kabushiki Kaisha Nematic liquid crystal compositions
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
US4096086A (en) * 1974-12-23 1978-06-20 Kabushiki Kaisha Suwa Seikosha Nematic liquid crystal composition
US4129983A (en) * 1974-11-21 1978-12-19 Kabushiki Kaisha Suwa Seikosha Liquid crystal digital display electronic wristwatch

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058478A (en) * 1972-02-23 1977-11-15 Hoffmann-La Roche Inc. Liquid crystal esters
JPS51103472A (forum.php) * 1975-03-07 1976-09-13 Suwa Seikosha Kk
JPS5257139A (en) * 1975-11-06 1977-05-11 Dainippon Toryo Kk Production of cairal nematic compound and liquid crystal composition
US4337999A (en) * 1977-08-29 1982-07-06 Sharp Corporation Fluorescent liquid crystal display compositions and devices
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
JPS5450490A (en) * 1977-09-29 1979-04-20 Sharp Corp Liquid crystal composition
US4391730A (en) * 1979-08-09 1983-07-05 Veb Werk Fuer Fernsehelektronik Berlin Im Veb Kombinat Mikroelektronik Nematic liquid crystal compounds and use and device for using the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2024269A1 (en) * 1970-05-19 1971-12-02 Merck Patent Gmbh Nematic mixtures - of low melting point, used in electronics
CH540500A (de) * 1971-07-16 1973-08-15 Hoffmann La Roche Elektrooptische Lichtsteuerzelle
US3795436A (en) * 1972-07-05 1974-03-05 Hoffmann La Roche Nematogenic material which exhibit the kerr effect at isotropic temperatures
US3796479A (en) * 1972-07-11 1974-03-12 Hoffmann La Roche Electro-optical light-modulation cell utilizing a nematogenic material which exhibits the kerr effect at isotropic temperatures

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000084A (en) * 1973-12-17 1976-12-28 Hughes Aircraft Company Liquid crystal mixtures for electro-optical display 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
US4129983A (en) * 1974-11-21 1978-12-19 Kabushiki Kaisha Suwa Seikosha Liquid crystal digital display electronic wristwatch
US4096086A (en) * 1974-12-23 1978-06-20 Kabushiki Kaisha Suwa Seikosha Nematic liquid crystal composition
US4014811A (en) * 1974-12-28 1977-03-29 Dai Nippon Toryo Kabushiki Kaisha Nematic liquid crystal compositions
US3984344A (en) * 1975-04-30 1976-10-05 General Electric Company Positive dielectric anisotropy liquid crystal compositions

Also Published As

Publication number Publication date
NL7404468A (forum.php) 1974-10-08
IT1003672B (it) 1976-06-10
IL44332A0 (en) 1974-06-30
GB1410582A (en) 1975-10-22
BE813213A (fr) 1974-10-03
US3981817A (en) 1976-09-21
DD112052A5 (forum.php) 1975-03-12
FR2224205A1 (forum.php) 1974-10-31
ZA741239B (en) 1975-01-29
JPS49129684A (forum.php) 1974-12-12
AU6653074A (en) 1975-09-11
FR2224205B1 (forum.php) 1977-10-14
CH577178A5 (forum.php) 1976-06-30

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