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:
Feb. 11, 2025
Filed:
Nov. 13, 2019
Applicant:
Essilor International, Charenton-le-Pont, FR;
Inventors:
Hui Yu, Singapore, SG;
Sunil Madhukar Bhangale, Singapore, SG;
Prakhar Kasture, Singapore, SG;
Pierre Fromentin, Bangkok, TH;
Assignee:
Essilor International, Charenton-le-Pont, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 163/00 (2006.01); C08G 59/14 (2006.01); C08G 59/24 (2006.01); C08G 59/64 (2006.01); C08G 59/68 (2006.01); C09D 7/20 (2018.01); G02B 1/04 (2006.01); G02B 1/10 (2015.01); G02B 5/00 (2006.01);
U.S. Cl.
CPC ...
C09D 163/00 (2013.01); C08G 59/1477 (2013.01); C08G 59/245 (2013.01); C08G 59/64 (2013.01); C08G 59/686 (2013.01); C09D 7/20 (2018.01); G02B 1/04 (2013.01); G02B 1/10 (2013.01); G02B 5/003 (2013.01);
Abstract
The present invention relates to a cross-linkable composition comprising an epoxy oligomer comprising at least six hydroxy groups, to a coating obtained by curing the cross-linkable composition and to an optical lens comprising said coating on a surface thereof, in particular on the edge surface thereof. The invention also relates to a method of preparing a coating for an optical lens and to a method of coating a surface of an optical lens, in particular the edge surface of an optical lens.