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:
Jun. 23, 2020
Filed:
Jun. 22, 2017
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Sung Yeol Choi, Daejeon, KR;
Byung Guk Kim, Daejeon, KR;
Sang Gon Kim, Daejeon, KR;
Duk Hun Jang, Daejeon, KR;
Hyung Sam Choi, Daejeon, KR;
Assignee:
LG CHEM LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/14 (2006.01); C08L 79/08 (2006.01); C08J 5/18 (2006.01); G02B 1/14 (2015.01); C08G 73/10 (2006.01); C09D 179/08 (2006.01);
U.S. Cl.
CPC ...
C08G 73/14 (2013.01); C08G 73/101 (2013.01); C08G 73/1039 (2013.01); C08G 73/1067 (2013.01); C08G 73/1085 (2013.01); C08J 5/18 (2013.01); C08L 79/08 (2013.01); C09D 179/08 (2013.01); G02B 1/14 (2015.01); C08J 2379/08 (2013.01);
Abstract
The present disclosure relates to a polyimide-based block copolymer and a polyimide-based film including the same. The polyimide-based block copolymer according to the present disclosure makes it possible to provide a polyimide-based film exhibiting excellent mechanical properties while being colorless and transparent. The polyimide-based film may be used as a cover film of various flexible or foldable devices.