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. 20, 2024
Filed:
Nov. 04, 2019
Merck Patent Gmbh, Darmstadt, DE;
Nils Koenen, Griesheim, DE;
Dominik Joosten, Ober-Ramstadt, DE;
Beate Burkhart, Darmstadt, DE;
Katja Scheible, Darmstadt, DE;
Miriam Engel, Darmstadt, DE;
Holger Heil, Frankfurt am Main, DE;
Merck Patent GmbH, Darmstadt, DE;
Abstract
The invention relates to polymers having at least one repeating unit of the following formula (I): wherein Ar, Ar, Arand Ar, R and X, and a, b, c, d, e and f can have the meanings defined in claim, to processes for the preparation thereof and to the use thereof in electronic or optoelectronic devices, in particular in organic electroluminescent devices, so-called OLEDs (OLED═Organic Light Emitting Diodes). The present invention also relates to electronic or optoelectronic devices, in particular organic electroluminescent devices, which contain said polymers.