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:
Jan. 13, 2026
Filed:
Oct. 05, 2021
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Jung Yun Choi, Daejeon, KR;
Chul Woong Kim, Daejeon, KR;
Yeonju Lee, Daejeon, KR;
Suhyun Cho, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/06 (2006.01); C08G 63/08 (2006.01); C08G 63/82 (2006.01); C08G 63/85 (2006.01);
U.S. Cl.
CPC ...
C08G 63/06 (2013.01); C08G 63/08 (2013.01); C08G 63/823 (2013.01); C08G 63/85 (2013.01);
Abstract
Provided is a copolymer comprising an irregularly arranged structure of a repeating unit of the following Chemical Formula 1 and a repeating unit of the following Chemical Formula 2, and a repeating unit of the following Chemical Formula 3 present at least at one end of the structure: and is characterized by having an improved elongation and also having a high weight average molecular weight while maintaining intrinsic properties of a polylactic acid. Also provided are methods of preparing the copolymer.