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. 12, 2023
Filed:
Oct. 23, 2019
Applicant:
Pi Advanced Materials Co., Ltd., Chungcheongbuk, KR;
Inventors:
Ki-Hoon Kim, Chungcheongbuk, KR;
Kil-Nam Lee, Chungcheongbuk, KR;
Assignee:
PI Advanced Materials Co., Ltd., Chungcheongbuk-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/28 (2006.01); C08G 73/10 (2006.01); B32B 15/08 (2006.01); B32B 15/20 (2006.01); B32B 27/08 (2006.01); B32B 27/26 (2006.01);
U.S. Cl.
CPC ...
B32B 27/281 (2013.01); B32B 15/08 (2013.01); B32B 15/20 (2013.01); B32B 27/08 (2013.01); B32B 27/26 (2013.01); C08G 73/1021 (2013.01); C08G 73/1067 (2013.01); B32B 2307/54 (2013.01); B32B 2457/08 (2013.01);
Abstract
The present disclosure provides a multilayer polyimide film in which the core layer is made of a non-thermoplastic polyimide resin comprising one or more imidization catalysts and one or more dehydrating agents, and the skin layer laminated on one or both surfaces of the core layer contains one or more imidization catalysts, but does not contain a dehydrating agent, and a method for manufacturing the same.