Episulfide compound, method for producing the same and optical product comprising the same

Details for Australian Patent Application No. 2002301989 (hide)

Owner Hoya Corporation

Inventors Takamatsu, Ken; Okubo, Tsuyoshi

Agent Davies Collison Cave

Pub. Number AU-B-2002301989

Priority 2001-362375 28.11.01 JP

Filing date 14 November 2002

Wipo publication date 12 June 2003

Acceptance publication date 22 April 2004

International Classifications

C07D 409/14 Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms

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

C08G 075/12 Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur, with or without nitrogen, oxygen, or carbon

C08G 075/06 Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur, with or without nitrogen, oxygen, or carbon

Event Publications

5 December 2002 Complete Application Filed

  Priority application(s): 2001-362375 28.11.01 JP

12 June 2003 Application Open to Public Inspection

  Published as AU-B-2002301989

22 April 2004 Application Accepted

  Published as AU-B-2002301989

19 August 2004 Standard Patent Sealed

10 June 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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