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:
Jan. 16, 2024
Filed:
Nov. 25, 2022
Merck Patent Gmbh, Darmstadt, DE;
Amir Hossain Parham, Darmstadt, DE;
Anja Jatsch, Darmstadt, DE;
Thomas Eberle, Darmstadt, DE;
Tobias Grossmann, Shanghai, CN;
Jonas Valentin Kroeber, Darmstadt, DE;
Lars Dobelmann-Mara, Darmstadt, DE;
Merck Patent GmbH, Darmstadt, DE;
Abstract
The present invention describes carbazole, dibenzofuran, dibenzothiophene and fluorene derivatives which are substituted by electron-deficient heteroaryl groups, in particular for use as triplet matrix materials in organic electroluminescent devices. The invention furthermore relates to a process for the preparation of the compounds according to the invention and to electronic devices comprising these compounds.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile