BE803714A - Esters nematiques et leur utilisation en vue d'influencer les proprietes electro-optiques de substances nematiques - Google Patents

Esters nematiques et leur utilisation en vue d'influencer les proprietes electro-optiques de substances nematiques

Info

Publication number
BE803714A
BE803714A BE134671A BE134671A BE803714A BE 803714 A BE803714 A BE 803714A BE 134671 A BE134671 A BE 134671A BE 134671 A BE134671 A BE 134671A BE 803714 A BE803714 A BE 803714A
Authority
BE
Belgium
Prior art keywords
nematic
electro
esters
influence
optical properties
Prior art date
Application number
BE134671A
Other languages
English (en)
French (fr)
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
Priority claimed from DE19722240864 external-priority patent/DE2240864C3/de
Application filed by Merck Patent Gmbh filed Critical Merck Patent Gmbh
Publication of BE803714A publication Critical patent/BE803714A/xx

Links

Classifications

    • 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
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/008—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with tri- or tetrahalomethyl compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/15—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction of organic compounds with carbon dioxide, e.g. Kolbe-Schmitt synthesis
    • 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
BE134671A 1972-08-19 1973-08-17 Esters nematiques et leur utilisation en vue d'influencer les proprietes electro-optiques de substances nematiques BE803714A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722240864 DE2240864C3 (de) 1972-08-19 Phenolcarbonsäureester, deren Herstellung und deren Verwendung zur Beeinflussung der elektrooptischen Eigenschaften nem atischer Phasen

Publications (1)

Publication Number Publication Date
BE803714A true BE803714A (fr) 1974-02-18

Family

ID=5854003

Family Applications (1)

Application Number Title Priority Date Filing Date
BE134671A BE803714A (fr) 1972-08-19 1973-08-17 Esters nematiques et leur utilisation en vue d'influencer les proprietes electro-optiques de substances nematiques

Country Status (11)

Country Link
JP (1) JPS594467B2 (ru)
AT (1) AT330858B (ru)
BE (1) BE803714A (ru)
CH (1) CH582229A5 (ru)
DD (1) DD107153A5 (ru)
FR (1) FR2196200B1 (ru)
GB (1) GB1427390A (ru)
IL (1) IL42937A0 (ru)
IT (1) IT998364B (ru)
NL (1) NL7311312A (ru)
SU (1) SU482049A3 (ru)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2937700A1 (de) * 1978-09-20 1980-04-17 Chisso Corp 2,3-dicyano-hydrochinon-derivate

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1068110B (it) * 1976-08-13 1985-03-21 Montedison Spa Processo per la preparazione di aldeidi 2 idrossibenzoiche
FR2419966A1 (fr) * 1978-03-17 1979-10-12 Thomson Csf Cristal liquide de type diester presentant une phase smectique, a basse frequence d'isotropie dielectrique, et dispositif de visualisation utilisant ce cristal
JPS5633360U (ru) * 1979-08-22 1981-04-01
JPS5638378A (en) * 1979-09-05 1981-04-13 Matsushita Electric Ind Co Ltd Dynamic scattering type liquid crystal display
JPS5841834A (ja) * 1981-09-07 1983-03-11 Sumitomo Chem Co Ltd ヒドロキシベンズアルデヒドの製造法
GB8925833D0 (en) * 1989-11-15 1990-01-04 Robertet Sa Derivatives of aromatic benzoates as inhibitors of esterase-producing micro-organisms
DE102011108708A1 (de) 2010-09-25 2012-03-29 Merck Patent Gmbh Flüssigkristallanzeigen und flüssigkristalline Medien mit homöotroper Ausrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2937700A1 (de) * 1978-09-20 1980-04-17 Chisso Corp 2,3-dicyano-hydrochinon-derivate

Also Published As

Publication number Publication date
SU482049A3 (ru) 1975-08-25
DE2240864B2 (de) 1976-09-30
GB1427390A (en) 1976-03-10
AT330858B (de) 1976-07-26
IL42937A0 (en) 1973-11-28
NL7311312A (ru) 1974-02-21
FR2196200B1 (ru) 1977-02-25
CH582229A5 (ru) 1976-11-30
FR2196200A1 (ru) 1974-03-15
JPS4958089A (ru) 1974-06-05
JPS594467B2 (ja) 1984-01-30
DD107153A5 (ru) 1974-07-12
IT998364B (it) 1976-01-20
DE2240864A1 (de) 1974-02-28
ATA703873A (de) 1975-10-15

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