IP Library Assignment 072091/0382
Patent Assignment
Reel/Frame 072091/0382

Assignment of Assignor's Interest

Recorded: 2025-08-22 Pages: 3
Assignor
STOESSEL, PHILIPP
Executed: 2024-10-26
Assignee
MERCK ELECTRONICS KGAA
FRANKFURTER STRASSE 250, DARMSTADT, 64293, GERMANY
Covered Property (1)
Aromatic Hetreocycles for Organic Electroluminescent Devices
Application: 18/840,589 →
Publication: US 2025/0171684
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 22, 2025
From: MERCK ELECTRONICS KGAA
To: MERCK PATENT GMBH
Reel/Frame 072091/0467 →
Nunc Pro Tunc Assignment Feb 10, 2026
From: MERCK PATENT GMBH
To: UDC IRELAND LIMITED
Reel/Frame 073741/0249 →