GB2072214B - Liquid crystal material with low value of optical anisotropy and method of making it - Google Patents

Liquid crystal material with low value of optical anisotropy and method of making it

Info

Publication number
GB2072214B
GB2072214B GB8115636A GB8115636A GB2072214B GB 2072214 B GB2072214 B GB 2072214B GB 8115636 A GB8115636 A GB 8115636A GB 8115636 A GB8115636 A GB 8115636A GB 2072214 B GB2072214 B GB 2072214B
Authority
GB
United Kingdom
Prior art keywords
making
liquid crystal
crystal material
low value
optical anisotropy
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
GB8115636A
Other versions
GB2072214A (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB2072214A publication Critical patent/GB2072214A/en
Application granted granted Critical
Publication of GB2072214B publication Critical patent/GB2072214B/en
Expired 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
    • C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
    • 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
    • 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)
GB8115636A 1979-09-28 1979-09-28 Liquid crystal material with low value of optical anisotropy and method of making it Expired GB2072214B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SU1979/000095 WO1981000853A1 (en) 1979-09-28 1979-09-28 Liquid crystal material with low value of optical anisotropy and method of making it

Publications (2)

Publication Number Publication Date
GB2072214A GB2072214A (en) 1981-09-30
GB2072214B true GB2072214B (en) 1984-02-15

Family

ID=21616562

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8115636A Expired GB2072214B (en) 1979-09-28 1979-09-28 Liquid crystal material with low value of optical anisotropy and method of making it

Country Status (4)

Country Link
JP (1) JPS56501284A (en)
DE (1) DE2953841A1 (en)
GB (1) GB2072214B (en)
WO (1) WO1981000853A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0019665B2 (en) * 1979-05-28 1987-12-16 MERCK PATENT GmbH Liquid-crystal compositions
DE3043985A1 (en) * 1980-11-21 1982-06-03 Hermann 7742 St Georgen Stockburger METHOD AND DEVICE FOR LABELING AND / OR IDENTIFYING A DATA CARRIER
US4490277A (en) * 1981-05-29 1984-12-25 Grebenkin Mikhail F Mesomorphic material with low optical anisotropy and process for producing same
DE3221462A1 (en) * 1981-06-18 1983-01-05 F. Hoffmann-La Roche & Co AG, 4002 Basel LIQUID CRYSTAL MIXTURE
US4603018A (en) * 1982-09-27 1986-07-29 Chisso Corporation 2-cyano-4-halogenophenyl esters
DD245894A1 (en) * 1983-09-30 1987-05-20 Dietrich Demus CRYSTALLINE-LIQUID NEMATIVE MIXTURES
US5342544A (en) * 1991-10-28 1994-08-30 Asahi Denka Kogyo Kabushiki Kaisha Liquid crystal composition

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5120993B2 (en) * 1971-12-16 1976-06-29
JPS562114B2 (en) * 1972-07-13 1981-01-17
ZA741092B (en) * 1973-03-02 1975-01-29 Hoffmann La Roche Liquid crystalline isonitriles
DE2441296C3 (en) * 1973-08-31 1978-11-02 Dai Nippon Toryo K.K., Osaka (Japan) Nematic liquid crystal compositions and their use
CA1055517A (en) * 1975-06-05 1979-05-29 Toshio Jinnai Liquid crystalline cinnamic acid esters and liquid crystal compositions containing the same
JPS52142683A (en) * 1976-05-25 1977-11-28 Citizen Watch Co Ltd Liquid crystal composite
US4029594A (en) * 1976-06-17 1977-06-14 Rca Corporation Novel liquid crystal compounds and electro-optic devices incorporating them

Also Published As

Publication number Publication date
WO1981000853A1 (en) 1981-04-02
JPS56501284A (en) 1981-09-10
DE2953841A1 (en) 1982-02-04
GB2072214A (en) 1981-09-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee