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公开(公告)号:US10179768B2
公开(公告)日:2019-01-15
申请号:US15022841
申请日:2014-09-16
发明人: Stuart Aiken , Daniel Luke Crossley , Christopher David Gabbutt , Bernard Mark Heron , Claudine Biver , Samuel Archambeau , Fabien Berit-Debat
IPC分类号: C07D213/06 , C07D213/22 , C07D213/80 , C07D213/26 , C09K9/02 , C07D213/803 , G02C7/10 , G02F1/15
摘要: The present invention relates to a group of novel electrochromic materials. More specifically, it relates to electrochromic materials having two-core viologens and the use of these two-core viologens as a variable transmittance medium for the manufacture of an optical article, such as an ophthalmic lens.