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:
Apr. 21, 2026
Filed:
Jul. 25, 2022
Applicant:
SK Microworks Co., Ltd., Gyeonggi-do, KR;
Inventors:
Assignee:
MICROWORKS SOLUTIONS CO., LTD., Chungcheongnam-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/14 (2006.01); B32B 7/12 (2006.01); B32B 27/34 (2006.01); C08J 5/18 (2006.01); C08K 3/36 (2006.01);
U.S. Cl.
CPC ...
C08G 73/14 (2013.01); B32B 7/12 (2013.01); B32B 27/34 (2013.01); C08J 5/18 (2013.01); C08K 3/36 (2013.01); B32B 2307/412 (2013.01); B32B 2307/536 (2013.01); B32B 2307/538 (2013.01); B32B 2307/732 (2013.01); B32B 2377/00 (2013.01); B32B 2457/202 (2013.01); B32B 2457/206 (2013.01); C08K 2201/003 (2013.01); C08K 2201/011 (2013.01);
Abstract
The embodiments relate to a polyamide-based film that is excellent in optical properties and mechanical properties, to a process for preparing the same, and to a cover window and a display device comprising the same. It comprises a polyamide-based polymer and a filler in an amount of 600 ppm or more relative to the weight of the polyamide-based polymer, wherein when the 3D surface roughness thereof is measured, the number of summits per unit area (Sds) is 4,400/mmor less.