GB1455612A - Derivatives of 4,4-dihydroxy-tolan and nematic liquid crystals containing them - Google Patents

Derivatives of 4,4-dihydroxy-tolan and nematic liquid crystals containing them

Info

Publication number
GB1455612A
GB1455612A GB112274A GB112274A GB1455612A GB 1455612 A GB1455612 A GB 1455612A GB 112274 A GB112274 A GB 112274A GB 112274 A GB112274 A GB 112274A GB 1455612 A GB1455612 A GB 1455612A
Authority
GB
United Kingdom
Prior art keywords
tolan
nematic liquid
dihydroxy
derivatives
liquid crystals
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
GB112274A
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.)
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
Publication of GB1455612A publication Critical patent/GB1455612A/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
    • C09K19/14—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)
GB112274A 1973-01-12 1974-01-09 Derivatives of 4,4-dihydroxy-tolan and nematic liquid crystals containing them Expired GB1455612A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7301083A FR2213803B2 (enExample) 1973-01-12 1973-01-12

Publications (1)

Publication Number Publication Date
GB1455612A true GB1455612A (en) 1976-11-17

Family

ID=9113214

Family Applications (1)

Application Number Title Priority Date Filing Date
GB112274A Expired GB1455612A (en) 1973-01-12 1974-01-09 Derivatives of 4,4-dihydroxy-tolan and nematic liquid crystals containing them

Country Status (4)

Country Link
US (1) US3928399A (enExample)
JP (1) JPS4995949A (enExample)
FR (1) FR2213803B2 (enExample)
GB (1) GB1455612A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5047169A (en) * 1988-09-16 1991-09-10 Adeka Argus Chemical Co., Ltd. Tolane compound
JP4524827B2 (ja) * 2000-01-17 2010-08-18 旭硝子株式会社 アクリル酸誘導体化合物
AU2001288250A1 (en) * 2000-08-15 2002-02-25 Kent State University Methods for treating subjects infected with a herpes virus or neisseria gonorrheae
DE602004007772T2 (de) * 2003-03-06 2008-06-05 Merck Patent Gmbh Elektrolumineszenz-vorrichtung sowie verfahren zu ihrer herstellung
DE102006021019A1 (de) 2005-06-03 2006-12-07 Merck Patent Gmbh Tolane, Verfahren zu ihrer Herstellung sowie ihre Verwendung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3772209A (en) * 1972-01-21 1973-11-13 Eastman Kodak Co Liquid crystal compositions

Also Published As

Publication number Publication date
FR2213803B2 (enExample) 1976-11-05
FR2213803A2 (enExample) 1974-08-09
JPS4995949A (enExample) 1974-09-11
US3928399A (en) 1975-12-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee