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:
Jul. 16, 2019
Filed:
May. 07, 2018
Applicant:
Skckolonpi Inc., Chungcheongbuk-do, KR;
Inventors:
Dong Young Won, Seoul, KR;
Kyung Su Kim, Seoul, KR;
Sung Il Cho, Yongin-si, KR;
Jeong Yeul Choi, Anyang-si, KR;
Assignee:
SKCKOLONPI INC., Chungcheongbuk-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 32/205 (2017.01); C08G 73/10 (2006.01); C09K 5/14 (2006.01); C08J 5/18 (2006.01);
U.S. Cl.
CPC ...
C01B 32/205 (2017.08); C08G 73/1003 (2013.01); C08J 5/18 (2013.01); C09K 5/14 (2013.01); C01P 2006/32 (2013.01); C08J 2379/08 (2013.01);
Abstract
The present disclosure provides a polyimide film prepared from a precursor composition containing a polyamic acid and an organic solvent and having a value of (first FWHM−second FWHM)/(first FWHM+second FWHM) which is less than 0.4, a graphite sheet prepared from the polyimide film, and a method for preparing a graphite sheet.