GB2220658B - Liquid-crystalline cyclopentyl carboxylic acid esters - Google Patents

Liquid-crystalline cyclopentyl carboxylic acid esters

Info

Publication number
GB2220658B
GB2220658B GB8915950A GB8915950A GB2220658B GB 2220658 B GB2220658 B GB 2220658B GB 8915950 A GB8915950 A GB 8915950A GB 8915950 A GB8915950 A GB 8915950A GB 2220658 B GB2220658 B GB 2220658B
Authority
GB
United Kingdom
Prior art keywords
crystalline
liquid
carboxylic acid
acid esters
cyclopentyl carboxylic
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
GB8915950A
Other versions
GB8915950D0 (en
GB2220658A (en
Inventor
Dietrich Demus
Hans-Joachim Deutscher
Roger Frach
Horst Kresse
Heiko Stettin
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 DD31787888A external-priority patent/DD274041B5/en
Priority claimed from DD31787988A external-priority patent/DD274042B5/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
Publication of GB8915950D0 publication Critical patent/GB8915950D0/en
Publication of GB2220658A publication Critical patent/GB2220658A/en
Application granted granted Critical
Publication of GB2220658B publication Critical patent/GB2220658B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C09K19/30—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings

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)
GB8915950A 1988-07-13 1989-07-12 Liquid-crystalline cyclopentyl carboxylic acid esters Expired - Lifetime GB2220658B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DD31787888A DD274041B5 (en) 1988-07-13 1988-07-13 LIQUID CRYSTALLINE MIXTURES
DD31787988A DD274042B5 (en) 1988-07-13 1988-07-13 LIQUID CRYSTALLINE MIXTURES

Publications (3)

Publication Number Publication Date
GB8915950D0 GB8915950D0 (en) 1989-08-31
GB2220658A GB2220658A (en) 1990-01-17
GB2220658B true GB2220658B (en) 1992-04-08

Family

ID=25748220

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8915950A Expired - Lifetime GB2220658B (en) 1988-07-13 1989-07-12 Liquid-crystalline cyclopentyl carboxylic acid esters

Country Status (4)

Country Link
JP (1) JPH0288540A (en)
CH (1) CH678858A5 (en)
DE (1) DE3918884A1 (en)
GB (1) GB2220658B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09227422A (en) * 1996-02-12 1997-09-02 Rolic Ag Cyclopentyl derivative
GB2310669B (en) * 1996-02-27 2000-09-27 Merck Patent Gmbh An electrooptical liquid crystal display of the IPS type containing a liquid crystalline medium having positive dielectric anisotropy and such a medium
EP0821049B1 (en) * 1996-07-26 2001-01-10 Rolic AG Cyclopentyl compounds
US5759443A (en) * 1996-07-26 1998-06-02 Rolic Ag Cyclopentyl derivatives
JP5581091B2 (en) * 2010-03-29 2014-08-27 公益財団法人相模中央化学研究所 4-Cyclopentylcyclohexanone derivative and method for producing the same
JP5712510B2 (en) 2010-06-18 2015-05-07 Jnc株式会社 Compound having 5-membered ring, liquid crystal composition, and liquid crystal display device
CN102746852A (en) * 2012-06-19 2012-10-24 深圳市华星光电技术有限公司 Liquid crystal molecule having five member ring

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3739588A1 (en) * 1986-12-20 1988-07-28 Merck Patent Gmbh Cyclopentane derivatives

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3739588A1 (en) * 1986-12-20 1988-07-28 Merck Patent Gmbh Cyclopentane derivatives

Also Published As

Publication number Publication date
DE3918884A1 (en) 1990-01-18
JPH0288540A (en) 1990-03-28
CH678858A5 (en) 1991-11-15
GB8915950D0 (en) 1989-08-31
GB2220658A (en) 1990-01-17

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Legal Events

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

Effective date: 19930712