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:
Dec. 26, 2023
Filed:
Aug. 29, 2022
SK Innovation Co., Ltd., Seoul, KR;
SK IE Technology Co., Ltd., Seoul, KR;
Cheol Min Yun, Daejeon, KR;
Hye Jin Park, Daejeon, KR;
SK Innovation Co., Ltd., Seoul, KR;
SK ie technology Co., Ltd., Seoul, KR;
Abstract
Provided is a method of preparing a composition for forming a polyimide film which may significantly improve dispersibility of a pigment. Specifically, the method includes preparing a polyamic acid resin in the presence of a pigment dispersion including a blue-based inorganic pigment and a dispersing agent. In addition, an average particle size of the inorganic pigment in the pigment dispersion may be 10 to 100 nm.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile