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:
Jul. 30, 2024
Filed:
Aug. 07, 2019
Dupont Electronics, Inc., Wilmington, DE (US);
Brian C. Auman, Avondale, PA (US);
Michael Henry Howard, Jr., Montchanin, DE (US);
DUPONT ELECTRONICS, INC., Wilmington, DE (US);
Abstract
Disclosed is a polyimide having a repeat unit structure of Formula IV In Formula IV: Ris the same or different at each occurrence and represents one or more tetracarboxylic acid component residues; and Ris the same or different at each occurrence and represents one or more aromatic diamine residues. 30-100 mol % of Rhas Formula II In Formula II: Rand Rare the same or different at each occurrence and are halogen, alkyl, fluoroalkyl, silyl, alkoxy, fluoroalkoxy, or siloxy; a and b are the same or different and are an integer from 0-4; c and d are the same or different and are 1 or 2; and * indicates a point of attachment.