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. 21, 2023
Filed:
Nov. 21, 2017
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Rouven Linge, Darmstadt, DE;
Lara-Isabel Rodriguez, Darmstadt, DE;
Sebastian Meyer, Aschaffenburg, DE;
Holger Heil, Frankfurt am Main, DE;
Assignee:
MERCK PATENT GMBH, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 493/04 (2006.01); C07C 15/20 (2006.01); C07C 211/54 (2006.01); C07D 307/91 (2006.01); C07D 493/22 (2006.01); C07F 7/08 (2006.01); H01L 51/00 (2006.01); C09K 11/06 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
C07D 493/04 (2013.01); C07C 15/20 (2013.01); C07C 211/54 (2013.01); C07D 307/91 (2013.01); C07D 493/22 (2013.01); C07F 7/0816 (2013.01); C09K 11/06 (2013.01); H01L 51/0061 (2013.01); H01L 51/0071 (2013.01); H01L 51/0094 (2013.01); C07C 2603/44 (2017.05); C07C 2603/54 (2017.05); H01L 51/0054 (2013.01); H01L 51/0058 (2013.01); H01L 51/5012 (2013.01);
Abstract
The present invention relates to bisbenzofuran-fused 2,8-diaminoindeno[1,2-b]fluorene derivatives and related compounds of formula (1) as materials for organic electroluminescent devices (OLEDs).