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:
Nov. 22, 2022
Filed:
Sep. 20, 2017
Applicant:
Essilor International, Charenton-le-Pont, FR;
Inventors:
Hao Wen Chiu, Holden, MA (US);
Elliot French, Charlton, MA (US);
Aref Jallouli, Shrewsbury, MA (US);
Haifeng Shan, Shrewsbury, MA (US);
Assignee:
ESSILOR INTERNATIONAL, Charenton-le-Pont, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/18 (2006.01); C08K 5/101 (2006.01); C08K 5/00 (2006.01); C08K 5/12 (2006.01); C08K 5/3435 (2006.01); C08K 5/3475 (2006.01); G02B 1/04 (2006.01); G02C 7/10 (2006.01); C08K 5/17 (2006.01); C08L 69/00 (2006.01); G02C 7/02 (2006.01); C08K 5/08 (2006.01);
U.S. Cl.
CPC ...
C08K 5/3475 (2013.01); C08K 5/005 (2013.01); C08K 5/0041 (2013.01); C08K 5/101 (2013.01); C08K 5/12 (2013.01); C08K 5/17 (2013.01); C08K 5/18 (2013.01); C08K 5/3435 (2013.01); G02B 1/041 (2013.01); G02C 7/10 (2013.01); C08K 5/08 (2013.01); C08K 2201/014 (2013.01); C08L 69/00 (2013.01); G02C 7/02 (2013.01);
Abstract
Embodiments of the disclosure relate to a series of PC resin additives for maintaining the color stability and blue-cut performance during injection molding. The additives may be used to adapt a PC resin customarily used for sun protection lenses for clear lens applications.