Patent · US Active

Electrostatic film coated ophthalmic lens and method for edging same

US8679637B2 · kind B2 · utility

0Cited by

27References

25Claims

0Family size

Assignee

Essilor International (Compagnie Generale d'Optique) · FR

Inventors

Pascale Lacan · Paris, FR
Dominique Conte · Charenton-le-Pont, FR

Key dates

Filing date	Sep 24, 2004
Grant date	Mar 25, 2014
Priority date	—
Expiry date	Jul 3, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31935
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The optical lens according to the invention comprises a temporary protective coating comprising at least one outer layer, which is mechanically alterable through friction or contact, said layer being coated with a peelable film which electrostatically adheres to the outer layer.

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