Photochromic polymerizable compositions

Details for Australian Patent Application No. 2002343602 (hide)

Owner Transitions Optical, Inc

Inventors Daughenbaugh, Randy; Welch, Cletus N.; Anderson, Lawrence G.; Stewart, Kevin J.; King, Eric M.

Agent Mallesons

Pub. Number AU-B-2002343602

PCT Number PCT/US02/35064

PCT Pub. Number WO2003/038009

Priority 60/335,871 01.11.01 US; 10/270,622 16.10.02 US

Filing date 31 October 2002

Wipo publication date 12 May 2003

Acceptance publication date 20 October 2005

International Classifications

C09K 009/02 Tenebrescent materials, i.e. materials for which the range of wavelengths for energy adsorption is changed as a result of excitation by some form of energy - Organic tenebrescent materials

G02B 001/04 Optical elements characterised by the material of which they are made - made of organic materials, e.g. plastics

G02B 005/23 Optical elements other than lenses

G02B 001/10 Optical elements characterised by the material of which they are made - Optical coatings produced by application to, or surface treatment of, optical elements

Event Publications

27 February 2003 Complete Application Filed

  Priority application(s): 60/335,871 01.11.01 US; 10/270,622 16.10.02 US

10 July 2003 Application Open to Public Inspection

  Published as AU-B-2002343602

9 September 2004 Assignment before Grant

  PPG Industries Ohio, Inc. The application has been assigned to Transitions Optical, Inc 2003

20 October 2005 Application Accepted

  Published as AU-B-2002343602

16 February 2006 Standard Patent Sealed

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