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:
Aug. 08, 2022
Applicants:
Lg Chem, Ltd., Seoul, KR;
Yonsei University, University—industry Foundation (Uif), Seoul, KR;
Inventors:
Youngwook Son, Daejeon, KR;
Hyong Min Bahn, Daejeon, KR;
Byeong-Su Kim, Kim, KR;
Taehyung Kim, Seoul, KR;
Yeji Yu, Jeollabuk-do, KR;
Assignees:
LM CHEM, LTD, Seoul, KR;
YONSEI UNIVERSITY, UNIVERSITY-INDUSTRY FOUNDATION (UIF), Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 64/12 (2006.01); C08G 64/16 (2006.01); C08G 64/28 (2006.01); C08G 64/30 (2006.01); C08L 69/00 (2006.01);
U.S. Cl.
CPC ...
C08G 64/12 (2013.01); C08G 64/16 (2013.01); C08G 64/28 (2013.01); C08G 64/307 (2013.01); C08L 69/00 (2013.01);
Abstract
Provided is a polycarbonate copolymer including a repeating unit of the following Chemical Formula 1, where the polycarbonate copolymer can have improved heat resistance: wherein in Chemical Formula 1, R, R, n1 and n2 are as defined in the specification.