IP Library Assignment 064649/0634
Patent Assignment
Reel/Frame 064649/0634

Assignment of Assignor's Interest

Recorded: 2023-08-21 Pages: 3
Assignor
STOESSEL, PHILIPP
Executed: 2023-06-23
Assignee
MERCK ELECTRONICS KGAA
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: MERCK ELECTRONICS KGAA
To: MERCK PATENT GMBH
Reel/Frame 064649/0673 →
Nunc Pro Tunc Assignment Feb 10, 2026
From: MERCK PATENT GMBH
To: UDC IRELAND LIMITED
Reel/Frame 073741/0249 →