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:
Apr. 23, 2024
Filed:
Aug. 07, 2019
Dupont Electronics, Inc., Wilmington, DE (US);
Viacheslav V. Diev, Wilmington, DE (US);
DUPONT ELECTRONICS, INC., Wilmington, DE (US);
Abstract
Disclosed is a polyanhydride having Formula I where A is In Formula I: Rand Rare the same or different at each occurrence and are F, CN, alkyl, fluoroalkyl, alkoxy, fluoroalkoxy, silyl, siloxy, unsubstituted or substituted hydrocarbon aryl, unsubstituted or substituted heteroaryl, or unsubstituted or substituted aryloxy; Rand Rare the same or different and are A, A, H, F, CN, alkyl, fluoroalkyl, alkoxy, fluoroalkoxy, silyl, siloxy, unsubstituted or substituted hydrocarbon aryl, unsubstituted or substituted heteroaryl, or unsubstituted or substituted aryloxy; Rand Rare the same or different and are H, F, CN, alkyl, fluoroalkyl, alkoxy, fluoroalkoxy, silyl, siloxy, unsubstituted or substituted hydrocarbon aryl, unsubstituted or substituted heteroaryl, and unsubstituted or substituted aryloxy; Ris selected from the group consisting of alkyl, silyl, unsubstituted or substituted hydrocarbon aryl, or unsubstituted or substituted heteroaryl; c and d are the same or different and are an integer from 0 to the maximum available; m and n are the same or different and are 0 or 1; Ato Aare the same or different and have the formula single dashed lines between two rings indicate that the rings are joined by a single bond or fused together at any available position; L is a bond or a hydrocarbon aryl; and at least two A groups are present.