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:
Sep. 17, 2024
Filed:
Apr. 01, 2019
Dupont Electronics, Inc., Wilmington, DE (US);
Michael Henry Howard, Jr., Montchanin, DE (US);
Nora Sabina Radu, Landenberg, PA (US);
Greg A. Hostetler, Newark, DE (US);
Chai Kit Ngai, Chadds Ford, PA (US);
Brian C. Auman, Avondale, PA (US);
John Donald Summers, Chapel Hill, NC (US);
DUPONT ELECTRONICS, INC., Wilmington, DE (US);
Abstract
Disclosed is a polyimide having a repeat unit structure of Formula III In Formula III: Rrepresents one or more different tetracarboxylic acid component residues; and Rrepresents one or more different aromatic diamine residues or aromatic diisocyanate residues. 5-100 mol % of Rhas Formula II In Formula II: Ris H, halogen, cyano, hydroxyl, alkyl, heteroalkyl, alkoxy, heteroalkoxy, fluoroalkyl, silyl, hydrocarbon aryl, substituted hydrocarbon aryl, heteroaryl, substituted heteroaryl, ally, or vinyl; Ris halogen, cyano, hydroxyl, alkyl, heteroalkyl, alkoxy, heteroalkoxy, fluoroalkyl, silyl, hydrocarbon aryl, substituted hydrocarbon aryl, heteroaryl, substituted heteroaryl, ally, or vinyl; Rand Rare the same or different and are alkyl, fluoroalkyl, or silyl; x and y are the same or different and are an integer from 0-2; and * indicates a point of attachment.