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:
May. 14, 2019
Filed:
Dec. 18, 2015
Applicant:
Essilor International (Compagnie-generale D'optique), Charenton-le-Pont, FR;
Inventors:
Delphine Passard, Charenton-le-Pont, FR;
Nicolas Maitre, Charenton-le-Pont, FR;
Assignee:
ESSILOR INTERNATIONAL, Charenton-le-Pont, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/10 (2006.01); G02B 1/115 (2015.01); G02B 1/116 (2015.01); G02B 5/26 (2006.01); G02B 5/28 (2006.01);
U.S. Cl.
CPC ...
G02C 7/107 (2013.01); G02B 1/115 (2013.01); G02B 1/116 (2013.01); G02B 5/26 (2013.01); G02B 5/283 (2013.01); G02C 7/104 (2013.01);
Abstract
The present invention relates to a transparent ophthalmic lens comprising a substrate having a main front face and a main rear face, said main front face being coated with a multilayer interference coating, preferably an anti-reflection coating, comprising a stack of at least one layer have a refractive index greater than 1.6 and at least one layer having a refractive index less than 1.55, characterized in that: