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:
Nov. 07, 2023

Filed:

Jun. 15, 2022
Applicants:

SK Innovation Co., Ltd., Seoul, KR;

SK IE Technology Co., Ltd., Seoul, KR;

Inventors:

Cheol Min Yun, Daejeon, KR;

Hye Jin Park, Daejeon, KR;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/28 (2006.01); C08G 73/10 (2006.01); C08J 7/04 (2020.01); C08J 5/18 (2006.01);
U.S. Cl.
CPC ...
C08J 7/0427 (2020.01); B32B 27/281 (2013.01); C08G 73/1032 (2013.01); C08G 73/1039 (2013.01); C08G 73/1042 (2013.01); C08G 73/1064 (2013.01); C08J 5/18 (2013.01); B32B 2457/20 (2013.01); C08J 2379/08 (2013.01); C08L 2201/10 (2013.01); C08L 2203/16 (2013.01);
Abstract

Provided are a composition for forming a polyimide film for a cover window which may satisfy performance required for an advanced cover window, a method for preparing the same, and a use thereof. According to an implementation, a polyimide film for a cover window, which has excellent visibility without optical stain while colorless and transparent optical properties were not deteriorated and has excellent heat resistance and mechanical properties, and thus, is for use in optical applications, may be provided. In addition, a polyimide film for a cover window according to an implementation may be useful in various display devices.


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