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 代理人
主权项
地址