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:
Jul. 05, 2022
Filed:
Dec. 13, 2017
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Duk Hun Jang, Daejeon, KR;
Byung Guk Kim, Daejeon, KR;
Young Sik Eom, Daejeon, KR;
Sung Yeol Choi, Daejeon, KR;
Sang Gon Kim, Daejeon, KR;
Jin Sook Ryu, Daejeon, KR;
Sun Ok Oh, Daejeon, KR;
Hyung Sam Choi, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/10 (2006.01); C08L 79/08 (2006.01);
U.S. Cl.
CPC ...
C08L 79/08 (2013.01); C08G 73/1007 (2013.01); C08G 73/1039 (2013.01); C08G 73/1042 (2013.01); C08G 73/1067 (2013.01); C08L 2201/10 (2013.01); C08L 2203/16 (2013.01);
Abstract
The present disclosure relates to a polyimide-based block copolymer and a polyimide-based block copolymer film including the same. The polyimide-based block copolymer according to the present disclosure makes it possible to provide a polyimide-based film having low haze and yellow index value while exhibiting excellent transparency.