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FR2173733B1 - - Google Patents

Info

Publication number
FR2173733B1
FR2173733B1 FR7206889A FR7206889A FR2173733B1 FR 2173733 B1 FR2173733 B1 FR 2173733B1 FR 7206889 A FR7206889 A FR 7206889A FR 7206889 A FR7206889 A FR 7206889A FR 2173733 B1 FR2173733 B1 FR 2173733B1
Authority
FR
France
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
FR7206889A
Other versions
FR2173733A1 (fr
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7206889A priority Critical patent/FR2173733B1/fr
Priority to GB942873A priority patent/GB1429513A/en
Priority to DE19732309501 priority patent/DE2309501A1/de
Priority to JP2335973A priority patent/JPS4897860A/ja
Publication of FR2173733A1 publication Critical patent/FR2173733A1/fr
Application granted granted Critical
Publication of FR2173733B1 publication Critical patent/FR2173733B1/fr
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
    • C09K19/14—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a carbon chain
    • C09K19/18—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a carbon chain the chain containing carbon-to-carbon triple bonds, e.g. tolans

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)
  • Liquid Crystal Substances (AREA)
FR7206889A 1972-02-29 1972-02-29 Expired FR2173733B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7206889A FR2173733B1 (fr) 1972-02-29 1972-02-29
GB942873A GB1429513A (en) 1972-02-29 1973-02-26 Nematic liquid crystals
DE19732309501 DE2309501A1 (de) 1972-02-29 1973-02-26 Nematische fluessigkristalle mit grosser stabilitaet
JP2335973A JPS4897860A (fr) 1972-02-29 1973-02-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7206889A FR2173733B1 (fr) 1972-02-29 1972-02-29

Publications (2)

Publication Number Publication Date
FR2173733A1 FR2173733A1 (fr) 1973-10-12
FR2173733B1 true FR2173733B1 (fr) 1976-03-05

Family

ID=9094331

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7206889A Expired FR2173733B1 (fr) 1972-02-29 1972-02-29

Country Status (4)

Country Link
JP (1) JPS4897860A (fr)
DE (1) DE2309501A1 (fr)
FR (1) FR2173733B1 (fr)
GB (1) GB1429513A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4528114A (en) * 1981-12-18 1985-07-09 Hoffmann-La Roche Inc. Acetylenes
GB2155465B (en) * 1984-01-23 1987-12-31 Dainippon Ink & Chemicals Tolan-type nematic liquid crystalline compounds
GB8424489D0 (en) * 1984-09-28 1984-11-07 Jenkins A D Aromatic polymers
JPS61200932A (ja) * 1985-03-01 1986-09-05 Dainippon Ink & Chem Inc メチルトラン誘導体
US4754051A (en) * 1985-09-30 1988-06-28 Dainippon Ink And Chemicals, Inc. Optically active tolan derivative
DE10219202A1 (de) 2002-04-29 2003-11-06 Basf Ag Alkinverbindungen
EP1731587B1 (fr) * 2005-06-03 2013-01-23 Merck Patent GmbH Procédé de préparation de tolanes
TW201141907A (en) * 2010-04-22 2011-12-01 Styron Europe Gmbh Polycarbonate copolymer

Also Published As

Publication number Publication date
JPS4897860A (fr) 1973-12-13
DE2309501A1 (de) 1973-09-20
FR2173733A1 (fr) 1973-10-12
GB1429513A (en) 1976-03-24

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Legal Events

Date Code Title Description
ST Notification of lapse