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:
May. 03, 2022
Filed:
Jan. 17, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Assignee:
LG CHEM, LTD., Seoul, KR;
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/10 (2006.01); C07C 211/56 (2006.01); C07C 211/61 (2006.01); C08J 5/18 (2006.01); H01L 27/12 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
C08G 73/1067 (2013.01); C07C 211/56 (2013.01); C07C 211/61 (2013.01); C08G 73/1007 (2013.01); C08G 73/1042 (2013.01); C08J 5/18 (2013.01); H01L 27/1218 (2013.01); H01L 51/0097 (2013.01); C07C 2603/97 (2017.05); C08J 2379/08 (2013.01); H01L 2251/5338 (2013.01);
Abstract
Described is a polyimide prepared from a diamine containing a spiro or cardo group in a molecule structure, wherein the dimensional stability of the polyimide can be improved at a high temperature, and thus the polyimide can provide a polyimide film useful for a flexible substrate.
Jeong, Hye. (2022). Polyimide and polyimide film, prepared therefrom, for flexible display (U.S. Patent No. 11319409). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11319409
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile