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:
Mar. 24, 2026
Filed:
Nov. 02, 2021
Applicant:
Pi Advanced Materials Co., Ltd., Chungcheongbuk-do, KR;
Inventors:
Dong-Young Kim, Chungcheongbuk-do, KR;
Dae-Geon Yoo, Chungcheongbuk-do, KR;
Dong-Young Won, Chungcheongbuk-do, KR;
Assignee:
PI Advanced Materials Co., Ltd., Chungcheongbuk-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 5/18 (2006.01); C08G 73/10 (2006.01);
U.S. Cl.
CPC ...
C08J 5/18 (2013.01); C08G 73/10 (2013.01); C08J 2379/08 (2013.01);
Abstract
The present invention provides: a polyimide film having excellent dimensional stability; and a method for manufacturing same, wherein the polyimide film has a coefficient of thermal expansion of 1 ppm/° C. to 5 ppm/° C., an elastic modulus of 9 GPa to 11.5 GPa, and a glass transition temperature of 340° C. to 400° C.
Kim, Dong-Young. (2026). Polyimide film having high dimensional stability, and method for manufacturing same (U.S. Patent No. 12583983). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12583983
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile