Electrochromic two-core viologen derivatives and optical articles containing them

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10179768
APP PUB NO 20160221949A1
SERIAL NO

15022841

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

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.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • ESSILOR INTERNATIONAL (COMPAGNIE GENERAL D'OPTIQUE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aiken, Stuart York, GB 8 18
Archambeau, Samuel Charenton-le-Pont, FR 49 164
Berit-Debat, Fabien Charenton-le-Pont, FR 13 65
Biver, Claudine Charenton-le-Pont, FR 48 222
Crossley, Daniel Luke Normanton West Yorkshire, GB 2 1
Gabbutt, Christopher David Preston, GB 10 63
Heron, Bernard Mark Brough, GB 12 63

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Jul 15, 2026
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 15, 2030
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00