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:
Oct. 03, 2023
Filed:
Nov. 25, 2020
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Young In Yang, Daejeon, KR;
Byoungkue Jeon, Daejeon, KR;
Mooho Hong, Daejeon, KR;
Seongmi Cho, Daejeon, KR;
Hoyong Lee, Daejeon, KR;
Jihye Jung, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 69/00 (2006.01); C08K 5/315 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
C08L 69/00 (2013.01); C08K 5/315 (2013.01); G02B 1/041 (2013.01); C08L 2201/10 (2013.01);
Abstract
Provided is a polycarbonate composition comprising a polycarbonate and a light blocking agent, and an optical product formed therefrom. The polycarbonate composition has a low yellow index, unlike conventional yellowish blue light-blocking products, and thus various colors can be implemented. Accordingly, it is possible to provide optical products with various colors, and the polycarbonate composition is very suitable for spectacles required to have high transparency and to block blue light that is harmful to eyes.