Invention Grant
- Patent Title: Polymerizable composition for optical material, optical material obtained from same composition, and plastic lens
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Application No.: US14406963Application Date: 2013-06-19
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Publication No.: US09778396B2Publication Date: 2017-10-03
- Inventor: Akinori Ryu
- Applicant: MITSUI CHEMICALS, INC.
- Applicant Address: JP Tokyo
- Assignee: MITSUI CHEMICALS, INC.
- Current Assignee: MITSUI CHEMICALS, INC.
- Current Assignee Address: JP Tokyo
- Agency: Buchanan, Ingersoll & Rooney PC
- Priority: JP2012-143125 20120626
- International Application: PCT/JP2013/066812 WO 20130619
- International Announcement: WO2014/002844 WO 20140103
- Main IPC: C08K5/16
- IPC: C08K5/16 ; G02B1/04 ; C08G18/73 ; C08G18/75 ; C08G18/76 ; C08G18/38 ; B29C39/00 ; B29C39/02 ; C08G18/72 ; G02B5/23 ; C07D493/04 ; C09K9/02 ; G02C7/10 ; B29L11/00
Abstract:
A polymerizable composition for an optical material includes (A) one or more isocyanate compounds selected from aliphatic isocyanate compounds and alicyclic isocyanate compounds, (B) an active hydrogen compound having two or more functional groups, and (C) a photochromic compound.
Public/Granted literature
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