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:
Apr. 07, 2026
Filed:
Jun. 08, 2022
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 63/64 (2006.01); C08G 63/87 (2006.01);
U.S. Cl.
CPC ...
C08G 63/64 (2013.01); C08G 63/87 (2013.01);
Abstract
Provided is a polycarbonate copolymer having improved surface hardness while maintaining impact strength. The polycarbonate copolymer including a specific ester repeating unit according to the present disclosure is characterized by having excellent surface hardness while maintaining intrinsic basic physical properties of polycarbonate.
Lee, Dayoung. (2026). Polycarbonate copolymer and method for preparing the same (U.S. Patent No. 12595335). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12595335
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile