| 发明名称 |
Photochromic material |
| 摘要 |
<p>A photochromic material comprising a styrene-based oligomer having a weight average molecular weight of from 200 to 6000 and a photochromic compound selected from the group consisting of spirooxazine derivatives and spiropyran derivatives.</p> |
| 申请公布号 |
EP1498447(B1) |
申请公布日期 |
2010.02.24 |
| 申请号 |
EP20040016825 |
申请日期 |
2004.07.16 |
| 申请人 |
THE PILOT INK CO., LTD. |
发明人 |
YASUDA, MICHIYUKI;SUGAI, JUN;KIMURA, FUMIHIRO |
| 分类号 |
C08K5/00;C09K9/02;C08K5/357;C09K15/30 |
主分类号 |
C08K5/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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