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:
Aug. 12, 2025
Filed:
May. 25, 2017
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Weiying Gao, Landenberg, PA (US);
Giang Dong Vo, Wilmington, DE (US);
Michael Henry Howard, Montchanin, DE (US);
Weishi Wu, Landenberg, PA (US);
Norman Herron, Newark, DE (US);
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 307/92 (2006.01); C07D 493/04 (2006.01); C07D 493/14 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 85/60 (2023.01);
U.S. Cl.
CPC ...
C07D 493/14 (2013.01); C07D 307/92 (2013.01); C07D 493/04 (2013.01); C09K 11/06 (2013.01); H10K 50/11 (2023.02); H10K 85/626 (2023.02); H10K 85/633 (2023.02); H10K 85/636 (2023.02); H10K 85/657 (2023.02); H10K 85/6574 (2023.02); C09K 2211/1018 (2013.01);
Abstract
There is provided a compound having Formula I: In the formula: NpHet is a naphthalene core having at least one fused 5-membered heteroaromatic ring, where the heteroaromatic ring has one heteroatom which is O, S, Se, or Te; Ar-Arare the same or different and are a hydrocarbon aryl group, a heteroaryl group, or a deuterated analog thereof; a and b are the same or different and are 0 or 1; m and n are the same or different and are 0 or 1; with the proviso that a, b, m, and n are not all 0.