3,3,4,4-TETRAFLUOROCYCLOPENTA NE COMPOUNDS, USED AS COMPONENTS OF LIQUID CRYSTAL MEDIA

Details for Australian Patent Application No. 2003242730 (hide)

Owner MERCK PATENT GMBH

Inventors REIFFENRATH, Volker; LUSSEM, Georg

Pub. Number AU-A-2003242730

PCT Number PCT/EP03/06447

PCT Pub. Number WO2004/000771

Priority 102 28 183.1 24.06.02 DE

Filing date 18 June 2003

Wipo publication date 6 January 2004

International Classifications

C07C 023/18 Compounds containing at least one halogen atom bound to a ring other than a six-membered aromatic ring

C07D 309/04 Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings

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

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

Event Publications

11 September 2003 Complete Application Filed

  Priority application(s): 102 28 183.1 24.06.02 DE

4 March 2004 Application Open to Public Inspection

  Published as AU-A-2003242730

10 March 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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