公开(公告)号：US09823534B2

公开(公告)日：2017-11-21

申请号：US15022784

申请日：2014-09-16

Applicant: ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)

Inventor： Stuart Aiken ,  Christopher David Gabbutt ,  Bernard Mark Heron ,  Claudine Biver ,  Samuel Archambeau ,  Fabien Berit-Debat ,  Sandrine Duluard

IPC: G02F1/153 ,  G02F1/15 ,  C09K9/02 ,  C07D213/22 ,  C07D403/06 ,  G02C7/10

CPC classification number: G02F1/1521 ,  C07D213/22 ,  C07D403/06 ,  C09K9/02 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  G02C7/101 ,  G02F2001/151 ,  G02F2001/1517

Abstract: The present invention relates to a group of novel electrochromic materials. More specifically, it relates to electrochromic materials based on either single or two-core viologen systems and the use of these viologen systems as a variable transmittance medium for the manufacture of an optical article, such as an ophthalmic lens.

公开(公告)号：US10179768B2

公开(公告)日：2019-01-15

申请号：US15022841

申请日：2014-09-16

Applicant: ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)

Inventor： Stuart Aiken ,  Daniel Luke Crossley ,  Christopher David Gabbutt ,  Bernard Mark Heron ,  Claudine Biver ,  Samuel Archambeau ,  Fabien Berit-Debat

IPC: C07D213/06 ,  C07D213/22 ,  C07D213/80 ,  C07D213/26 ,  C09K9/02 ,  C07D213/803 ,  G02C7/10 ,  G02F1/15

Abstract: 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.