IT1230943B - Cristalli liquidi piramidali ferroelettrici. - Google Patents

Cristalli liquidi piramidali ferroelettrici.

Info

Publication number
IT1230943B
IT1230943B IT8921017A IT2101789A IT1230943B IT 1230943 B IT1230943 B IT 1230943B IT 8921017 A IT8921017 A IT 8921017A IT 2101789 A IT2101789 A IT 2101789A IT 1230943 B IT1230943 B IT 1230943B
Authority
IT
Italy
Prior art keywords
pyramid
iron
electric
liquid crystals
crystals
Prior art date
Application number
IT8921017A
Other languages
English (en)
Other versions
IT8921017A0 (it
Inventor
Enrico Dalcanale
Stefanio Bonsignore
Giuseppe Cometti
Annick Du Vosel
Paolo Soncini
Gianfranco Guglielmetti
Original Assignee
Tecnopart Srl
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 Tecnopart Srl filed Critical Tecnopart Srl
Priority to IT8921017A priority Critical patent/IT1230943B/it
Publication of IT8921017A0 publication Critical patent/IT8921017A0/it
Priority to AU57882/90A priority patent/AU627044B2/en
Priority to KR1019900009569A priority patent/KR910000996A/ko
Priority to EP19900112281 priority patent/EP0405516A3/en
Priority to JP2171299A priority patent/JPH0339389A/ja
Priority to CA002020115A priority patent/CA2020115A1/en
Application granted granted Critical
Publication of IT1230943B publication Critical patent/IT1230943B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • 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
    • C09K19/44—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing compounds with benzene rings directly linked
    • 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
    • C09K19/32—Non-steroidal liquid crystal compounds containing condensed ring systems, i.e. fused, bridged or spiro ring systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Liquid Crystal Substances (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
IT8921017A 1989-06-28 1989-06-28 Cristalli liquidi piramidali ferroelettrici. IT1230943B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT8921017A IT1230943B (it) 1989-06-28 1989-06-28 Cristalli liquidi piramidali ferroelettrici.
AU57882/90A AU627044B2 (en) 1989-06-28 1990-06-26 Ferroelectric, pyramidal liquid crystals
KR1019900009569A KR910000996A (ko) 1989-06-28 1990-06-27 강유전성 피라밋형 액정 및 그의 제조방법
EP19900112281 EP0405516A3 (en) 1989-06-28 1990-06-27 Ferroelectric, pyramidal liquid crystals
JP2171299A JPH0339389A (ja) 1989-06-28 1990-06-28 強誘電性のピラミッド型液晶
CA002020115A CA2020115A1 (en) 1989-06-28 1990-06-28 Ferroelectric, pyramidal liquid crystals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8921017A IT1230943B (it) 1989-06-28 1989-06-28 Cristalli liquidi piramidali ferroelettrici.

Publications (2)

Publication Number Publication Date
IT8921017A0 IT8921017A0 (it) 1989-06-28
IT1230943B true IT1230943B (it) 1991-11-08

Family

ID=11175447

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8921017A IT1230943B (it) 1989-06-28 1989-06-28 Cristalli liquidi piramidali ferroelettrici.

Country Status (6)

Country Link
EP (1) EP0405516A3 (it)
JP (1) JPH0339389A (it)
KR (1) KR910000996A (it)
AU (1) AU627044B2 (it)
CA (1) CA2020115A1 (it)
IT (1) IT1230943B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5384068A (en) * 1991-08-17 1995-01-24 Hoechst Aktiengesellschaft Switchable columnar liquid-crystalline systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3438424C1 (de) * 1984-10-19 1986-05-15 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen Hexasubstituierte Tribenzocyclononatrien-Derivate,Verfahren zu deren Herstellung und ihre Verwendung
IT1222085B (it) * 1987-07-21 1990-08-31 Montedison Spa Tetrameri ciclici liquido cristallini
IT1226547B (it) * 1988-07-11 1991-01-24 Montedison Spa Cristalli liquidi piramidali.
DD287479A5 (de) * 1988-09-23 1991-02-28 Bitterfeld Wolfen Chemie Verfahren zur herstellung von pentacyclo (19,3,1,1 hoch 3,7,1 hoch 9,13.1 hoch 15,19.)octa cosa 1 (25), 3,5,7 (26), 9,11,13 (27), 15,17,19 (28), 21,23-dodecaenen

Also Published As

Publication number Publication date
JPH0339389A (ja) 1991-02-20
IT8921017A0 (it) 1989-06-28
EP0405516A2 (en) 1991-01-02
EP0405516A3 (en) 1992-01-08
AU627044B2 (en) 1992-08-13
KR910000996A (ko) 1991-01-30
CA2020115A1 (en) 1990-12-29
AU5788290A (en) 1991-01-03

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19930617