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. 30, 2025
Filed:
Jan. 12, 2023
Applicant:
Kolon Industries, Inc., Seoul, KR;
Inventors:
Ki Ii Hong, Seoul, KR;
Hak-Gee Jung, Seoul, KR;
Assignee:
KOLON INDUSTRIES, INC., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 55/14 (2006.01); B29C 71/02 (2006.01); C08J 5/18 (2006.01); B29K 79/00 (2006.01); B32B 27/28 (2006.01);
U.S. Cl.
CPC ...
B29C 55/143 (2013.01); B29C 71/02 (2013.01); C08J 5/18 (2013.01); B29K 2079/08 (2013.01); B29K 2995/0051 (2013.01); B29K 2995/0053 (2013.01); B32B 27/281 (2013.01); B32B 2307/412 (2013.01); B32B 2307/536 (2013.01); B32B 2307/54 (2013.01); B32B 2457/20 (2013.01); C08J 2379/08 (2013.01);
Abstract
The present invention relates to a method for manufacturing a polyimide-based film and a polyimide-based film manufactured thereby and, particularly, to a method for manufacturing a polyimide-based film and a polyimide-based film manufactured thereby, wherein the polyimide-based film is useful as a cover substrate for a flexible electronic device since flexure characteristics thereof, represented by yield elongation, are excellent.