Invention Grant
US09000119B2 Polymerizable composition for optical material, optical material, and method for producing optical material
有权
用于光学材料的可聚合组合物，光学材料和用于制造光学材料的方法
- Patent Title: Polymerizable composition for optical material, optical material, and method for producing optical material
- Patent Title (中): 用于光学材料的可聚合组合物，光学材料和用于制造光学材料的方法
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Application No.: US12850275Application Date: 2010-08-04
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Publication No.: US09000119B2Publication Date: 2015-04-07
- Inventor: Akinori Ryu , Seiichi Kobayashi
- Applicant: Akinori Ryu , Seiichi Kobayashi
- Applicant Address: JP Tokyo
- Assignee: Mitsui Chemicals, Inc.
- Current Assignee: Mitsui Chemicals, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Buchanan, Ingersoll & Rooney PC
- Priority: JP2009-182125 20090805; JP2010-020677 20100201
- Main IPC: C08G18/32
- IPC: C08G18/32 ; G02B1/04 ; C08G18/38 ; C08G18/72 ; C08G18/73 ; C08G18/76
Abstract:
A polymerizable composition for an optical material containing tolylene diisocyanate, an aliphatic polyisocyanate having 4 to 8 carbon atoms and one or more polythiols selected from pentaerythritol tetrakismercaptoacetate and pentaerythritol tetrakismercaptopropionate, is provided.
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