LIQUID CRYSTAL DISPLAY AND COLOUR FILTER WITH IMPROVED TRANSPARENCY FOR GREEN LIGHT

Details for Australian Patent Application No. 2003251692 (hide)

Owner CIBA SPECIALTY CHEMICALS HOLDINGS INC.

Inventors DE KEYZER, Gerardus; YOUSAF, Taher; EKKUNDI, Vadiraj Subbanna; MUDALIAR, Chandrasekhar, Dayal

Pub. Number AU-A-2003251692

PCT Number PCT/EP03/08654

PCT Pub. Number WO2004/018477

Priority 600/MAS/2002 14.08.02 IN

Filing date 5 August 2003

Wipo publication date 11 March 2004

International Classifications

C07D 487/22 Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups

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

C09B 047/04 Porphines - Phthalocyanines

C09B 067/00 Influencing the physical, e.g. the dyeing or printing, properties of dyestuffs without chemical reaction, e.g. by treating with solvents

G02B 005/20 Optical elements other than lenses - Filters

Event Publications

16 October 2003 Complete Application Filed

  Priority application(s): 600/MAS/2002 14.08.02 IN

22 April 2004 Application Open to Public Inspection

  Published as AU-A-2003251692

28 April 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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