| 发明名称 |
Alicyclic compound for optical material |
| 摘要 |
The alicyclic compound of the present invention has a five- or more membered ring structure having an epithioethylene linkage and/or an epidithioethylene linkage, and has tow or more sulfur atoms in its molecule. Optical materials produced by curing the alicyclic compound or a composition containing the alicyclic compound by polymerization show high refractive index.
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| 申请公布号 |
US7301705(B2) |
申请公布日期 |
2007.11.27 |
| 申请号 |
US20040474704 |
申请日期 |
2004.04.06 |
| 申请人 |
MITSUBISHI GAS CHEMICAL COMPANY, INC. |
发明人 |
YOSHIMURA YUICHI;TAKEUCHI MOTOHARU;KAMURA TERUO |
| 分类号 |
G02B3/00;G02C7/02;C07D331/02;C07D335/00;C07D337/00;C07D495/14;C08G75/06;C08G75/08;C08L81/00;G02B1/04;G02B5/00 |
主分类号 |
G02B3/00 |
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