LIQUID CRYSTAL COMPOUNDS WITH BRANCHED OR CYCLIC END GROUPS

Details for Australian Patent Application No. 2002327943 (hide)

Owner QINETIQ LIMITED

Inventors HIRD, Michael; GOODBY, John, William; GOUGH, Neil; COWLING, Stephen, James; COSQUER, Guirec, Yann; TOYNE, Kenneth, Johnson

Pub. Number AU-A-2002327943

PCT Number PCT/GB02/04183

PCT Pub. Number WO2003/024903

Priority 0122190.2 14.09.01 GB

Filing date 12 September 2002

Wipo publication date 1 April 2003

International Classifications

C07C 025/18 Compounds containing at least one halogen atom bound to a six-membered aromatic ring

C09K 019/12 Liquid crystal materials

C09K 019/30 Liquid crystal materials - containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings

C09K 019/34 Liquid crystal materials - containing at least one heterocyclic ring

G02F 001/13 Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating - based on liquid crystals, e.g. single liquid crystal display cells

C07C 043/225 Ethers

C07D 305/06 Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms

Event Publications

23 January 2003 Complete Application Filed

  Priority application(s): 0122190.2 14.09.01 GB

5 June 2003 Application Open to Public Inspection

  Published as AU-A-2002327943

10 June 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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