发明名称 |
composto, composição fotocromática e artigo fotocromático |
摘要 |
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 Hammett &sgr;p value of from 0.05 to 0.85 and R17 is hydrogen. |
申请公布号 |
BR112013014813(A2) |
申请公布日期 |
2016.11.22 |
申请号 |
BR20131114813 |
申请日期 |
2011.10.26 |
申请人 |
TRANSITIONS OPTICAL, INC. |
发明人 |
ANU CHOPRA |
分类号 |
C07D311/94;C09K9/02;G03C1/73 |
主分类号 |
C07D311/94 |
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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