Patent · US Active

Colored cosmetic photochromic contact lenses

US12339528B2 · kind B2 · utility

0Cited by

19References

11Claims

0Family size

Assignee

ALCON INC. · CH

Inventors

Junhao Ge · Johns Creek, US
Richard Charles Breitkopf · Dunwoody, US
Steve Yun Zhang · Sugar Hill, US
Yuan Chang · Atlanta, US
Augustine Twum Kumi · Grayson, US

Key dates

Filing date	Apr 28, 2022
Grant date	Jun 24, 2025
Priority date	—
Expiry date	Oct 21, 2043

Classification

Technology area (CPC G)Physics
CPC primaryG02C7/108
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The invention is directed to a colored cosmetic photochromic contact lens, comprising: a pupil section, a generally annular iris section surrounding the pupil section, wherein at least the pupil section is photochromic, wherein the iris section having a colored, printed, opaque, intermittent pattern, wherein the said pattern is covered by a clear ink layer, wherein the clear ink layer is on outer surface of lens to the observer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.