| 发明名称 |
PHOTOCHROMIC COMPOUNDS, COMPOSITIONS AND ARTICLES |
| 摘要 |
<p>The present invention provides a compound represented by the Formula I: wherein substituents R16 and R17′are each independently selected from an electron withdrawing group have a Hammettσp value of from 0.05 to 0.85 and R17 is hydrogen.</p> |
| 申请公布号 |
EP2652551(A1) |
申请公布日期 |
2013.10.23 |
| 申请号 |
EP20110784842 |
申请日期 |
2011.10.26 |
| 申请人 |
TRANSITIONS OPTICAL, INC. |
发明人 |
CHOPRA, ANU |
| 分类号 |
G03C1/73;C07D311/94;C09K9/02 |
主分类号 |
G03C1/73 |
| 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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