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. 07, 2026
Filed:
Nov. 22, 2023
Applicant:
Korea Advanced Institute of Science and Technology, Daejeon, KR;
Inventors:
Sang Youl Kim, Daejeon, KR;
Seong Jong Kim, Daejeon, KR;
Assignee:
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 493/04 (2006.01); C08G 73/14 (2006.01); C08J 5/18 (2006.01);
U.S. Cl.
CPC ...
C07D 493/04 (2013.01); C08G 73/14 (2013.01); C08J 5/18 (2013.01); C08J 2379/08 (2013.01);
Abstract
Provided are an acid anhydride compound having a novel structure, and a polyamideimide resin and a polyamideimide film produced therefrom. Specifically, since the polyamideimide film according to the present invention includes a structural unit derived from the acid anhydride compound, it may have high thermal resistance and a low coefficient of thermal expansion while being colorless and transparent.
Kim, Sang. (2026). Acid anhydride compound, and polyamideimide resin and film using the same (U.S. Patent No. 12595268). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12595268
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile