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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.:

US 12624205 B1

PDFFull Text
Date of Patent:
May. 12, 2026

Filed:

Aug. 19, 2019

Polycarbonate resin composition and optical molded article comprising the same

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Byoungkue Jeon, Daejeon, KR;

Young In Yang, Daejeon, KR;

Daehyeon Hwang, Daejeon, KR;

Mooho Hong, Daejeon, KR;

Ki Jae Lee, Daejeon, KR;

Youngwook Son, Daejeon, KR;

Assignee:

LG Chem, Ltd., Seoul, KR;

Attorney:

Bryan Cave Leighton Paisner LLP

Primary Examiner:

Liam J Heincer

Int. Cl.
CPC ...
C08L 69/00 (2006.01); C08G 64/06 (2006.01); C08K 5/17 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
C08L 69/005 (2013.01); C08G 64/06 (2013.01); C08K 5/175 (2013.01); G02B 1/041 (2013.01); C08L 2201/08 (2013.01); C08L 2201/10 (2013.01); C08L 2203/30 (2013.01);
Abstract

The present disclosure relates to a polycarbonate resin composition exhibiting excellent heat stability and optical properties, and an optical molded article comprising the same. The polycarbonate resin composition includes polycarbonate resin; and [[4-(dimethylamino)phenyl]methylene] propanedioic acid dimethyl ester as a hindered amine UV absorber that selectively absorbs UVA having a wavelength of 420 nm or less.

Find Patent Forward Citations

Jeon, Byoungkue. (2026). Polycarbonate resin composition and optical molded article comprising the same (U.S. Patent No. 12624205). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12624205

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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