The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 07, 2020
Filed:
Feb. 01, 2017
Essilor International (Compagnie Generale D'optique), Charenton le Pont, FR;
Hélène Maury, Charenton le Pont, FR;
Dominique Conte, Charenton le Pont, FR;
Xingzhao Ding, Singapore, SG;
Essilor International, Charenton-le-Pont, FR;
Abstract
This invention relates to an ophthalmic lens comprising a transparent substrate with a front main face and with a rear main face, at least one of the main faces being coated with a multilayered antireflective coating comprising a stack composed of at least: characterized in that wetting layer (i) is in direct contact with metal layer (ii), with the proviso that said multilayered antireflective coating does not comprise silicon nitride and wherein (ii) the metal layer has a physical thickness equal to or higher than 6 nm.