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. 10, 2022
Filed:
Aug. 09, 2017
Applicant:
Essilor International, Charenton-le-Pont, FR;
Inventors:
Pierre Fromentin, Bangkok, TH;
Sanya Hokputsa, Bangkok, TH;
Assignee:
Essilor International, Charenton-le-Pont, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/04 (2006.01); C08F 220/14 (2006.01); C08K 9/12 (2006.01); B29D 11/00 (2006.01); C08F 2/44 (2006.01); C08F 120/14 (2006.01); C08F 212/08 (2006.01); C08K 3/22 (2006.01); C09B 67/08 (2006.01); G03C 1/685 (2006.01); B82Y 30/00 (2011.01); C08K 5/00 (2006.01);
U.S. Cl.
CPC ...
G02B 1/041 (2013.01); B29D 11/00009 (2013.01); C08F 2/44 (2013.01); C08F 120/14 (2013.01); C08F 212/08 (2013.01); C08F 220/14 (2013.01); C08K 3/22 (2013.01); C08K 9/12 (2013.01); C09B 67/0004 (2013.01); G02B 1/04 (2013.01); G03C 1/685 (2013.01); B82Y 30/00 (2013.01); C08K 5/005 (2013.01);
Abstract
The present invention relates to a thermosetting composition for the manufacture of an ophthalmic lens which efficiently absorbs light rays without degradation of the light-absorbing additive, said composition comprising an allyl monomer or oligomer, a catalyst, at least one light-absorbing additive contained in nanoparticles which are dispersed in said allyl monomer or allyl oligomer. The present invention also relates to the use of said composition and to the ophthalmic lens obtained from said composition.