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:
Aug. 22, 2023
Filed:
Jul. 20, 2018
Applicant:
Pi Advanced Materials Co., Ltd., Chungcheongbuk-do, KR;
Inventors:
Assignee:
PI ADVANCED MATERIALS CO., LTD., Chungcheongbuk-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 9/00 (2006.01); C04B 35/524 (2006.01); C04B 35/626 (2006.01); C08J 5/18 (2006.01); C08L 79/08 (2006.01); C08K 3/26 (2006.01); C08K 3/30 (2006.01); C08K 3/32 (2006.01); B82Y 30/00 (2011.01);
U.S. Cl.
CPC ...
C04B 35/524 (2013.01); C04B 35/6267 (2013.01); C08J 5/18 (2013.01); C08L 79/08 (2013.01); B82Y 30/00 (2013.01); C08K 2003/265 (2013.01); C08K 2003/3045 (2013.01); C08K 2003/325 (2013.01); Y10T 428/30 (2015.01);
Abstract
The present invention provides: a graphite sheet polyimide film, which is derived from a first precursor composition comprising a first polyamic acid and comprises a sublimable inorganic filler and a spherical polyimide-based filler; a manufacturing method therefor; and a graphite sheet manufactured using the same.