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:
Oct. 03, 2023
Filed:
Jun. 27, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Cheolmin Yun, Daejeon, KR;
Kyungjun Kim, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F 7/18 (2006.01); C08G 73/10 (2006.01); C08L 79/08 (2006.01); C09D 179/08 (2006.01); C08J 5/18 (2006.01); C08K 5/544 (2006.01); C08K 5/5455 (2006.01);
U.S. Cl.
CPC ...
C07F 7/1804 (2013.01); C08G 73/106 (2013.01); C08L 79/08 (2013.01); C08L 2203/16 (2013.01);
Abstract
The present invention provides a novel polyimide resin adhesion enhancer having a fluorene framework, wherein a polyimide film produced using same exhibits conventional properties such as heat resistance and mechanical properties, and maintains adhesion with a carrier substrate while not being affected with respect to retardation even during a high-temperature process.