IP Library Assignment 071468/0909
Patent Assignment
Reel/Frame 071468/0909

Assignment of Assignor's Interest

Recorded: 2025-06-20 Pages: 3
Assignor
STOESSEL, PHILIPP
Executed: 2024-09-17
Assignee
MERCK ELECTRONICS KGAA
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.
Assignment of Assignor's Interest Jun 20, 2025
From: MERCK ELECTRONICS KGAA
To: MERCK PATENT GMBH
Reel/Frame 071469/0278 →
Nunc Pro Tunc Assignment Feb 10, 2026
From: MERCK PATENT GMBH
To: UDC IRELAND LIMITED
Reel/Frame 073741/0249 →