Microstructured optical film and production process thereof

Details for Australian Patent Application No. 2004254901 (hide)

Owner 3M Innovative Properties Company

Inventors Sano, Koichi

Agent Davies Collison Cave

Pub. Number AU-A-2004254901

PCT Pub. Number WO2005/003822

Priority 2003-162477 06.06.03 JP

Filing date 20 April 2004

Wipo publication date 13 January 2005

International Classifications

G02B 005/02 Optical elements other than lenses - Diffusing elements

B29D 011/00 Producing optical elements, e.g. lenses, prisms

G06F 003/033 Input arrangements for transferring data to be processed into a form capable of being handled by the computer - Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks

G02F 001/133 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

G02B 005/04 Optical elements other than lenses - Prisms

Event Publications

8 December 2005 PCT application entered the National Phase

  PCT publication WO2005/003822 Priority application(s): WO2005/003822

18 October 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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