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:
Sep. 02, 2025
Filed:
Jan. 09, 2020
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Tae Seob Lee, Daejeon, KR;
Yoon Bin Lim, Daejeon, KR;
Jae Gu Lim, Daejeon, KR;
Seung Joon Lim, Daejeon, KR;
Se Jeong Kim, Daejeon, KR;
Woo Han Kim, Daejeon, KR;
Gieun Park, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 73/14 (2006.01); C08F 290/14 (2006.01); C08G 73/10 (2006.01); C08G 73/12 (2006.01); C08J 5/18 (2006.01);
U.S. Cl.
CPC ...
C08G 73/14 (2013.01); C08F 290/145 (2013.01); C08G 73/1039 (2013.01); C08G 73/1042 (2013.01); C08G 73/12 (2013.01); C08G 73/123 (2013.01); C08G 73/126 (2013.01); C08J 5/18 (2013.01); C08L 2203/16 (2013.01);
Abstract
The present disclosure relates to a poly(amide-imide) copolymer in which each of at least one of imide repeating units and at least one of amide repeating units is substituted with a functional group including Chemical Formula 1, wherein, Ris hydrogen or an alkyl group having 1 to 10 carbon atoms, and L is a single bond or an alkylene having 1 to 10 carbon atoms, and a composition and a polymer film comprising the same.