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FR2325707A1 - Melange de cristaux liquides nematiques de a-cyanostilbene et son application aux dispositifs reproducteurs d'images - Google Patents

Melange de cristaux liquides nematiques de a-cyanostilbene et son application aux dispositifs reproducteurs d'images

Info

Publication number
FR2325707A1
FR2325707A1 FR7628609A FR7628609A FR2325707A1 FR 2325707 A1 FR2325707 A1 FR 2325707A1 FR 7628609 A FR7628609 A FR 7628609A FR 7628609 A FR7628609 A FR 7628609A FR 2325707 A1 FR2325707 A1 FR 2325707A1
Authority
FR
France
Prior art keywords
cyanostilbene
mixture
application
liquid crystals
nematic liquid
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.)
Granted
Application number
FR7628609A
Other languages
English (en)
Other versions
FR2325707B1 (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2325707A1 publication Critical patent/FR2325707A1/fr
Application granted granted Critical
Publication of FR2325707B1 publication Critical patent/FR2325707B1/fr
Granted 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
    • 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
    • C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
    • C07C45/562—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with nitrogen as the only hetero atom
    • C07C45/565—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with nitrogen as the only hetero atom by reaction with hexamethylene-tetramine
    • 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
    • C09K19/16—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 double bonds, e.g. stilbenes
    • 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
    • C09K19/22—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 nitrogen atoms as chain links, e.g. Schiff bases
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
    • G03C1/043—Polyalkylene oxides; Polyalkylene sulfides; Polyalkylene selenides; Polyalkylene tellurides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Liquid Crystal Substances (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Liquid Crystal (AREA)
FR7628609A 1975-09-25 1976-09-23 Melange de cristaux liquides nematiques de a-cyanostilbene et son application aux dispositifs reproducteurs d'images Granted FR2325707A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7511277A NL7511277A (nl) 1975-09-25 1975-09-25 Nematisch vloeibaar kristallijn mengsel van (alpha)-cyanostilbenen en toepassing ervan in beeld- weergeefinrichtingen.

Publications (2)

Publication Number Publication Date
FR2325707A1 true FR2325707A1 (fr) 1977-04-22
FR2325707B1 FR2325707B1 (fr) 1980-09-12

Family

ID=19824534

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7628609A Granted FR2325707A1 (fr) 1975-09-25 1976-09-23 Melange de cristaux liquides nematiques de a-cyanostilbene et son application aux dispositifs reproducteurs d'images

Country Status (6)

Country Link
US (1) US4089588A (fr)
JP (1) JPS5241180A (fr)
DE (1) DE2641861A1 (fr)
FR (1) FR2325707A1 (fr)
GB (1) GB1552807A (fr)
NL (1) NL7511277A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3332691A1 (de) * 1983-09-10 1985-03-28 Merck Patent Gmbh, 6100 Darmstadt Anisotrope verbindungen und fluessigkristallmischungen
JPS61166054U (fr) * 1985-04-01 1986-10-15
US5370841A (en) * 1990-11-26 1994-12-06 Mcdonnell; Joseph A. Microwave leakage detector
WO1997000233A1 (fr) * 1995-06-15 1997-01-03 Chisso Corporation Composes presentant des groupes alcenylene a substitution alkyle et composition de cristaux liquides
US20060289525A1 (en) * 2005-03-17 2006-12-28 Hovorka George B Microwave leakage indicator card
EP1764405A1 (fr) * 2005-09-20 2007-03-21 Rolic AG Composés photoréactifs fonctionalisés

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2196330A1 (fr) * 1972-08-18 1974-03-15 Philips Nv

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2024269A1 (en) * 1970-05-19 1971-12-02 Merck Patent Gmbh Nematic mixtures - of low melting point, used in electronics
US3767289A (en) * 1970-12-31 1973-10-23 Ibm Class of stable trans-stilbene compounds, some displaying nematic mesophases at or near room temperature and others in a range up to 100{20 {11 c
NL7305413A (fr) * 1973-04-18 1974-10-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2196330A1 (fr) * 1972-08-18 1974-03-15 Philips Nv

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/75 *

Also Published As

Publication number Publication date
NL7511277A (nl) 1977-03-29
DE2641861C2 (fr) 1989-05-24
JPS6132354B2 (fr) 1986-07-26
FR2325707B1 (fr) 1980-09-12
US4089588A (en) 1978-05-16
JPS5241180A (en) 1977-03-30
DE2641861A1 (de) 1977-04-07
GB1552807A (en) 1979-09-19

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Legal Events

Date Code Title Description
DR Decision of the appeal court due to an appeal at law against decisions of the director of the inpi, except decision of lapse
ST Notification of lapse