Pyrano-quinolines, pyranoquinolinones, combinations thereof, photochromic compositions and articles

Details for Australian Patent Application No. 2004303784 (hide)

Owner Transitions Optical, Inc.

Inventors Van Gemert, Barry; Kumar, Anil; Kim, Beon-Kyu

Agent Mallesons

Pub. Number AU-B-2004303784

PCT Pub. Number WO2005/061514

Priority 10/732,008 10.12.03 US

Filing date 9 November 2004

Wipo publication date 7 July 2005

Acceptance publication date 3 January 2008

International Classifications

C07D 491/04 (2006.01) Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups , , or

Event Publications

4 May 2006 PCT application entered the National Phase

  PCT publication WO2005/061514 Priority application(s): WO2005/061514

3 January 2008 Application Accepted

  Published as AU-B-2004303784

1 May 2008 Standard Patent Sealed

2 June 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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