Articles having a photochromic polymeric coating

Details for Australian Patent Application No. 2002363244 (hide)

Owner Transitions Optical, Inc.

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

Agent Mallesons

Pub. Number AU-B-2002363244

PCT Number PCT/US02/35063

PCT Pub. Number WO2003/037998

Priority 60/335,871 01.11.01 US; 10/270,657 16.10.02 US

Filing date 31 October 2002

Wipo publication date 12 May 2003

Acceptance publication date 14 October 2004

International Classifications

C09D 005/00 Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced

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

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

G02B 005/23 Optical elements other than lenses

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

Event Publications

5 June 2003 Complete Application Filed

  Priority application(s): 60/335,871 01.11.01 US; 10/270,657 16.10.02 US

10 July 2003 Application Open to Public Inspection

  Published as AU-B-2002363244

16 September 2004 Assignment before Grant

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

14 October 2004 Application Accepted

  Published as AU-B-2002363244

10 February 2005 Standard Patent Sealed

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