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. 12, 2026
Filed:
Dec. 20, 2021
Applicant:
Essilor International, Charenton-le-Pont, FR;
Inventors:
Assignee:
Essilor International, Charenton-le-Pont, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/132 (2006.01); C08F 2/44 (2006.01); C08F 22/10 (2006.01); C08K 5/00 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
C08F 2/44 (2013.01); C08F 22/1006 (2020.02); C08K 5/0041 (2013.01); C08K 5/132 (2013.01); G02B 1/041 (2013.01);
Abstract
Disclosed is a polymerizable liquid composition for the manufacture of an optical article, including: a) at least one allyl monomer or allyl oligomer, b) at least one initiator for the polymerization of the allyl monomer or allyl oligomer, and c) at least one lake pigment including an organic ionic colorant and at least one compound including metal atoms having a charge opposite to that of the organic ionic colorant, d) wherein the lake pigment is not contained in nanoparticles, which are not the lake pigment itself, if the lake pigment is in the form of particles dispersed in the composition.