GB2245567B - Crystalline-liquid 2,5-disubstituted 1,3,4-thiadiazoles with extended smectic C-phases - Google Patents

Crystalline-liquid 2,5-disubstituted 1,3,4-thiadiazoles with extended smectic C-phases

Info

Publication number
GB2245567B
GB2245567B GB9118806A GB9118806A GB2245567B GB 2245567 B GB2245567 B GB 2245567B GB 9118806 A GB9118806 A GB 9118806A GB 9118806 A GB9118806 A GB 9118806A GB 2245567 B GB2245567 B GB 2245567B
Authority
GB
United Kingdom
Prior art keywords
thiadiazoles
smectic
disubstituted
crystalline
phases
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 - Lifetime
Application number
GB9118806A
Other versions
GB2245567A (en
GB9118806D0 (en
Inventor
Gun Yong Bak
Dietrich Demus
Horst Kresse
Annelore Madicke
Gerhard Pelzl
Wolfgang Schafer
Carsten Tschierske
Horst Zaschke
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.)
Werk fuer Fernsehelektronik im VEB Kombinat Mikroelektronik VEB
Werk fuer Fernsehelektronik GmbH
Original Assignee
Werk fuer Fernsehelektronik im VEB Kombinat Mikroelektronik VEB
Werk fuer Fernsehelektronik GmbH
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
Priority claimed from DD87304402A external-priority patent/DD261802A1/en
Priority claimed from DD87309119A external-priority patent/DD266107A1/en
Priority claimed from GB8815606A external-priority patent/GB2208115B/en
Application filed by Werk fuer Fernsehelektronik im VEB Kombinat Mikroelektronik VEB, Werk fuer Fernsehelektronik GmbH filed Critical Werk fuer Fernsehelektronik im VEB Kombinat Mikroelektronik VEB
Priority to GB9118806A priority Critical patent/GB2245567B/en
Publication of GB9118806D0 publication Critical patent/GB9118806D0/en
Publication of GB2245567A publication Critical patent/GB2245567A/en
Application granted granted Critical
Publication of GB2245567B publication Critical patent/GB2245567B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01—Five-membered rings
    • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
    • C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
    • 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
    • C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
    • C09K19/3491—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having sulfur as hetero atom
    • C09K19/3497—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having sulfur as hetero atom the heterocyclic ring containing sulfur and nitrogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
  • Liquid Crystal Substances (AREA)
GB9118806A 1987-07-01 1991-09-02 Crystalline-liquid 2,5-disubstituted 1,3,4-thiadiazoles with extended smectic C-phases Expired - Lifetime GB2245567B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9118806A GB2245567B (en) 1987-07-01 1991-09-02 Crystalline-liquid 2,5-disubstituted 1,3,4-thiadiazoles with extended smectic C-phases

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DD87304402A DD261802A1 (en) 1987-07-01 1987-07-01 FERROELECTRIC FLUID CRYSTALS
DD87309119A DD266107A1 (en) 1987-11-17 1987-11-17 LIQUID CRYSTALLINE MIXTURES WITH EXTENDED SMEKTIC C-PHASES
GB8815606A GB2208115B (en) 1987-07-01 1988-06-30 Chiral crystalline - liquid 2,5-disubstituted 1 3 4-thiadiazoles with extended smectic c-phases
GB9118806A GB2245567B (en) 1987-07-01 1991-09-02 Crystalline-liquid 2,5-disubstituted 1,3,4-thiadiazoles with extended smectic C-phases

Publications (3)

Publication Number Publication Date
GB9118806D0 GB9118806D0 (en) 1991-10-16
GB2245567A GB2245567A (en) 1992-01-08
GB2245567B true GB2245567B (en) 1992-03-25

Family

ID=27179905

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9118806A Expired - Lifetime GB2245567B (en) 1987-07-01 1991-09-02 Crystalline-liquid 2,5-disubstituted 1,3,4-thiadiazoles with extended smectic C-phases

Country Status (1)

Country Link
GB (1) GB2245567B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB899842A (en) * 1960-03-01 1962-06-27 Ciba Ltd Process for producing 1:3:4-thiadiazines having aromatic substituents

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB899842A (en) * 1960-03-01 1962-06-27 Ciba Ltd Process for producing 1:3:4-thiadiazines having aromatic substituents

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Flussige Kristalle in Tabellen 11 *

Also Published As

Publication number Publication date
GB2245567A (en) 1992-01-08
GB9118806D0 (en) 1991-10-16

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030630