Polymerization catalyst for polythiourethane optical material, polymerizable composition containing the catalyst, optical material obtained from the composition, and method for producing the optical material

Details for Australian Patent Application No. 2008220347 (hide)

Owner Mitsui Chemicals, Inc.

Inventors Kawato, Nobuo; Kobayashi, Seiichi; Hayashi, Hidetoshi; Tanaka, Mamoru; Iwazumi, Masanori

Agent Davies Collison Cave

Pub. Number AU-A-2008220347

PCT Pub. Number WO2008/105138

Priority 2007-047902 27.02.07 JP

Filing date 4 February 2008

Wipo publication date 4 September 2008

International Classifications

C08G 18/16 (2006.01) Polymeric products of isocyanates or isothiocyanates

C08G 18/38 (2006.01) Polymeric products of isocyanates or isothiocyanates

G02B 1/04 (2006.01) Optical elements characterised by the material of which they are made - made of organic materials, e.g. plastics

G02C 7/02 (2006.01) Optical parts - Lenses

Event Publications

10 September 2009 PCT application entered the National Phase

  PCT publication WO2008/105138 Priority application(s): WO2008/105138

1 October 2009 Amendment Made

  The nature of the amendment is: Amend the invention title to read Polymerization catalyst for polythiourethane-based optical material, polymerizable composition containing the catalyst, optical material obtained from the composition, and method for preparing the optical material

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