Patent Assignment
Reel/Frame 057740/0028
Assignment of Assignor's Interest
Recorded: 2021-10-08
Pages: 4
Assignor
MERCK PERFORMANCE MATERIALS GERMANY GMBH
Executed: 2020-01-23
Assignee
MERCK PATENT GMBH
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: STENGEL, ILONA; LACKNER, AARON; RODRIGUEZ, LARA-ISABEL; WALTER, CHARLOTTE
To: MERCK KGAA
Reel/Frame 057739/0949 →
Assignment of Assignor's Interest
Oct 8, 2021
From: MERCK KGAA
To: MERCK PERFORMANCE MATERIALS GERMANY GMBH
Reel/Frame 057740/0001 →
Nunc Pro Tunc Assignment
Feb 10, 2026
From: MERCK PATENT GMBH
To: UDC IRELAND LIMITED
Reel/Frame 073741/0073 →