Patent Assignment
Reel/Frame 071469/0278
Assignment of Assignor's Interest
Recorded: 2025-06-20
Pages: 4
Assignor
MERCK ELECTRONICS KGAA
Executed: 2023-01-11
Assignee
MERCK PATENT GMBH
FRANKFURTER STRASSE 250, DARMSTADT, 64293, GERMANY
Covered Property
(1)
Nitrogenous Heterocycles for Organic Electroluminescent Devices
Application:
18/840,563 →
Publication:
US 2025/0185505
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.