INDANE COMPOUNDS WITH NEGATIVE DIELECTRIC ANISOTROPY

Details for Australian Patent Application No. 2002331274 (hide)

Owner MERCK PATENT GMBH

Inventors REIFFENRATH, Volker; HECKMEIER, Michael; BREMER, Matthias

Pub. Number AU-A-2002331274

PCT Number PCT/EP02/08085

PCT Pub. Number WO2003/010120

Priority 101 35 499.1 20.07.01 DE

Filing date 19 July 2002

Wipo publication date 17 February 2003

International Classifications

C07C 025/22 Compounds containing at least one halogen atom bound to a six-membered aromatic ring

C07C 043/225 Ethers

C07C 049/697 Ketones

C07C 049/755 Ketones

C07D 307/79 Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom

C09K 019/32 Liquid crystal materials - containing condensed ring systems, i.e. fused, bridged or spiro ring systems

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

Event Publications

6 February 2003 Complete Application Filed

  Priority application(s): 101 35 499.1 20.07.01 DE

29 May 2003 Application Open to Public Inspection

  Published as AU-A-2002331274

8 April 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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.

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2002331275-ELECTRONIC COMPONENT

2002331273-LIFTING GATE