Electrochromic single and two-core viologens and optical articles containing them

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United States of America Patent

PATENT NO 9823534
SERIAL NO

15022784

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Abstract

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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.

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Patent Owner(s)

  • ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aiken, Stuart York, GB 8 18
Archambeau, Samuel Charenton-le-Pont, FR 49 163
Berit-Debat, Fabien Charenton-le-Pont, FR 13 65
Biver, Claudine Charenton-le-Pont, FR 48 222
Duluard, Sandrine Toulouse, FR 11 38
Gabbutt, Christopher David Preston, GB 10 63
Heron, Bernard Mark Brough, GB 12 63

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