Scratch-resistant rear projection screen and method for producing the same

Details for Australian Patent Application No. 2004269461 (hide)

Owner Evonik Rohm GmbH

Inventors Schmidt, Jann; Krohmer, Christoph; Groothues, Herbert; Parusel, Markus; Dickhaut-Bayer, Gunther

Agent Spruson & Ferguson

Pub. Number AU-B-2004269461

PCT Pub. Number WO2005/022253

Priority 103 36 129.4 04.08.03 DE

Filing date 12 March 2004

Wipo publication date 10 March 2005

Acceptance publication date 10 September 2009

International Classifications

G02B 5/02 (2006.01) Optical elements other than lenses - Diffusing elements

Event Publications

2 February 2006 PCT application entered the National Phase

  PCT publication WO2005/022253 Priority application(s): WO2005/022253

11 June 2009 Alteration of Name

  The name of the applicant has been altered to Evonik Rohm GmbH

10 September 2009 Application Accepted

  Published as AU-B-2004269461

14 January 2010 Standard Patent Sealed

6 October 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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