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. 08, 2018
Filed:
Jun. 02, 2016
E I Du Pont DE Nemours and Company, Wilmington, DE (US);
Michael Henry Howard, Jr., Montchanin, DE (US);
Htay Min Hlaing, Wilmington, DE (US);
Greg A Hostetler, Newark, DE (US);
Denis Yurievich Kondakov, Wilmington, DE (US);
Kerwin D Dobbs, Wilmington, DE (US);
E I DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Abstract
There is disclosed a compound which is an N-heterocycle having at least one substituent of Formula 1: wherein: the N-heterocycle is a fused ring N-heterocycle having at least two fused aromatic rings with at least one ring N; Q1, Q2, Q4, and Q5 are the same or different and are selected from the group consisting of N and CR; Q3 is C—CN; Ris the same or different at each occurrence and is selected from the group consisting of H, D, CN, hydrocarbon aryl, heteroaryl, deuterated hydrocarbon aryl, and deuterated heteroaryl; and * represents a point of attachment to N in the N-heterocycle; with the proviso that at least one of Q1, Q2, Q4, and Q5 is N.