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. 21, 2025
Filed:
Dec. 10, 2019
Applicant:
Essilor International, Charenton-le-pont, FR;
Inventors:
Supitchaya Iamsaard, Bangkok, TH;
Pierre Fromentin, Bangkok, TH;
Assignee:
Essilor International, Charenton-le-pont, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/04 (2005.12); C08F 2/04 (2005.12); C08F 2/44 (2005.12); C08F 2/50 (2005.12); C08K 5/353 (2005.12); C08K 9/10 (2005.12); G02B 3/00 (2005.12); G02C 7/10 (2005.12); B82Y 20/00 (2010.12); B82Y 30/00 (2010.12); B82Y 40/00 (2010.12);
U.S. Cl.
CPC ...
G02B 1/041 (2012.12); C08F 2/04 (2012.12); C08F 2/44 (2012.12); C08F 2/50 (2012.12); C08K 5/353 (2012.12); C08K 9/10 (2012.12); G02B 3/0012 (2012.12); G02C 7/10 (2012.12); B82Y 20/00 (2012.12); B82Y 30/00 (2012.12); B82Y 40/00 (2012.12); C08K 2201/011 (2012.12);
Abstract
The present invention relates to ophthalmic lenses comprising an oxazolone, a preparation method thereof and the use of an oxazolone in an ophthalmic lens to absorb blue light.