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.

Date of Patent:
Mar. 28, 2023

Filed:

Jul. 29, 2020
Applicants:

Skc Co., Ltd., Gyeonggi-do, KR;

Skc Hi-tech & Marketing Co., Ltd., Chungcheongnam-do, KR;

Inventors:

Sunhwan Kim, Incheon, KR;

Jung Hee Ki, Gyeonggi-do, KR;

Jin Woo Lee, Seoul, KR;

Dawoo Jeong, Gyeonggi-do, KR;

Seung Yong Pyun, Chungcheongnam-do, KR;

Yun Hee Seo, Gyeonggi-do, KR;

Assignees:

SKC CO., LTD., Gyeonggi-do, KR;

SK MIOROWOREC SOLUTIONS CO., LTD., Chungcheongnam-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 5/18 (2006.01); C08K 3/36 (2006.01); C08K 3/26 (2006.01); C08K 3/30 (2006.01);
U.S. Cl.
CPC ...
C08J 5/18 (2013.01); C08J 2379/08 (2013.01); C08K 3/36 (2013.01); C08K 2003/265 (2013.01); C08K 2003/3045 (2013.01); C08K 2201/003 (2013.01);
Abstract

Embodiments relate to a polyimide-based composite film, which comprises a base film comprising a polyimide-based resin; and a functional layer disposed on the base film, wherein when the side of the functional layer located opposite to the side in contact with the base film is referred to as a first side and when the side of the base film located opposite to the side in contact with the functional layer is referred to as a second side, the adhesiveness index represented by Equation 1 is 3.5 or less.


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