Patent Assignment
Reel/Frame 057739/0949
Assignment of Assignor's Interest
Recorded: 2021-10-08
Pages: 8
Assignors
STENGEL, ILONA
Executed: 2021-02-24
LACKNER, AARON
Executed: 2021-03-01
RODRIGUEZ, LARA-ISABEL
Executed: 2021-01-26
WALTER, CHARLOTTE
Executed: 2021-02-06
MEKIC, AMEL
Executed: 2021-02-05
Assignee
MERCK KGAA
FRANKFURTER STRASSE 250, DARMSTADT, 64293, GERMANY
Covered Property
(1)
Materials for Organic Electroluminescent Devices
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 8, 2021
From: MERCK KGAA
To: MERCK PERFORMANCE MATERIALS GERMANY GMBH
Reel/Frame 057740/0001 →
Assignment of Assignor's Interest
Oct 8, 2021
From: MERCK PERFORMANCE MATERIALS GERMANY GMBH
To: MERCK PATENT GMBH
Reel/Frame 057740/0028 →
Nunc Pro Tunc Assignment
Feb 10, 2026
From: MERCK PATENT GMBH
To: UDC IRELAND LIMITED
Reel/Frame 073741/0073 →