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:
Feb. 13, 2024
Filed:
Feb. 08, 2021
Dupont Electronics, Inc., Wilmington, DE (US);
Viacheslav V Diev, Wilmington, DE (US);
Nora Sabina Radu, Landenberg, PA (US);
DUPONT ELECTRONICS, INC., Wilmington, DE (US);
Abstract
Disclosed is a dianhydride having Formula I, and diamines having Formula IV and Formula VII In the formulas: Y is alkyl, silyl, ester, siloxane, oligosiloxane, polysiloxane, O, S, SO, BR, NR, P(O)R, unsubstituted or substituted carbocyclic aryl, or unsubstituted or substituted heteroaryl and deuterated analogs thereof; Ar— Arare the same or different and are carbocyclic aryl, heteroaryl, or substituted derivatives thereof; Qis a single bond, alkyl, silyl, ester, siloxane, oligosiloxane, polysiloxane, O, S, SO, BR, NR, P(O)R, unsubstituted or substituted carbocyclic aryl, or