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:
Apr. 25, 2023
Filed:
Nov. 15, 2018
Applicant:
Essilor International, Charenton-le-Pont, FR;
Inventors:
Pierre Fromentin, Bangkok, TH;
Tipparat Lertwattanaseri, Bangkok, TH;
Assignee:
Essilor International, Charenton-le-Pont, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/04 (2006.01); C08K 3/22 (2006.01); C08K 3/36 (2006.01); C08K 5/00 (2006.01); C08K 5/132 (2006.01); C08K 5/18 (2006.01); C08F 222/10 (2006.01); C08L 35/02 (2006.01); C08K 5/3475 (2006.01); C08K 5/3492 (2006.01);
U.S. Cl.
CPC ...
G02B 1/041 (2013.01); C08F 222/1025 (2020.02); C08K 3/22 (2013.01); C08K 3/36 (2013.01); C08K 5/005 (2013.01); C08K 5/132 (2013.01); C08K 5/18 (2013.01); C08K 5/3475 (2013.01); C08K 5/3492 (2013.01); C08L 35/02 (2013.01); C08K 2003/2227 (2013.01); C08K 2003/2241 (2013.01); C08K 2003/2244 (2013.01); C08K 2201/005 (2013.01); C08K 2201/011 (2013.01); C08L 2205/22 (2013.01);
Abstract
The present invention relates to an ophthalmic lens which efficiently absorbs light rays without degradation of the light-absorbing additive, said ophthalmic lens comprising a composite matrix, a catalyst, a UV absorber and at least one light-absorbing additive contained in nanoparticles which are dispersed in said allyl monomer or allyl oligomer.