IP Library Assignment 064649/0673
Patent Assignment
Reel/Frame 064649/0673

Assignment of Assignor's Interest

Recorded: 2023-08-21 Pages: 4
Assignor
MERCK ELECTRONICS KGAA
Executed: 2023-01-11
Assignee
MERCK PATENT GMBH
FRANKFURTER STRASSE 250, DARMSTADT, 64293, GERMANY
Covered Property (1)
Nitrogenous Heteroaromatic Compounds for Organic Electroluminescent Devices
Application: 18/267,277 →
Publication: US 2024/0101560
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 21, 2023
From: STOESSEL, PHILIPP
To: MERCK ELECTRONICS KGAA
Reel/Frame 064649/0634 →
Nunc Pro Tunc Assignment Feb 10, 2026
From: MERCK PATENT GMBH
To: UDC IRELAND LIMITED
Reel/Frame 073741/0249 →