TY - PAT
T1 - Electrochromic Compounds and optical articles containing them
AU - Biver, Claudine
AU - Berit-Debat, Fabien
AU - Archambeau, Samuel
AU - Aiken, Stuart
AU - Armitage, Georgina K.
AU - Broadbent, Thomas David
AU - Crossley, Daniel Luke
AU - Gabbutt, Christopher
AU - Heron, Mark
PY - 2022/6/30
Y1 - 2022/6/30
N2 - he invention relates to a group of novel electrochromic compounds. More specifically, it relates to benzazoles and condensed azole compounds substituted with one or several pyridinium rings and the use of these compounds as a variable transmittance medium for the manufacture of an optical article, such as an ophthalmic lens.
AB - he invention relates to a group of novel electrochromic compounds. More specifically, it relates to benzazoles and condensed azole compounds substituted with one or several pyridinium rings and the use of these compounds as a variable transmittance medium for the manufacture of an optical article, such as an ophthalmic lens.
UR - https://patents.google.com/patent/WO2022136020A1/en?oq=WO+2022%2f136020
M3 - Patent
M1 - WO 2022/136020 A1
Y2 - 2021/12/14
ER -