Patent Assignment
Reel/Frame 042872/0488
Assignment of Assignor's Interest
Recorded: 2017-06-30
Pages: 5
Assignors
STOESSEL, PHILIPP
Executed: 2015-10-08
PARHAM, AMIR HOSSAIN
Executed: 2015-10-08
JATSCH, ANJA
Executed: 2015-10-08
Assignee
MERCK PATENT GMBH
FRANKFURTER STRASSE 250, DARMSTADT, 64293, GERMANY
Covered Property
(1)
Synthetic Building Blocks for the Production of Materials for Organic Electroluminescence Devices
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 25, 2017
From: STOESSEL, PHILIPP; PARHAM, AMIR HOSSAIN; JATSCH, ANJA
To: MERCK PATENT GMBH
Reel/Frame 043326/0664 →
Assignment of Assignor's Interest
Jul 28, 2017
From: STOESSEL, PHILIPP; PARHAM, AMIR HOSSAIN; JATSCH, ANJA
To: MERCK PATENT GMBH
Reel/Frame 043129/0808 →
Nunc Pro Tunc Assignment
Feb 10, 2026
From: MERCK PATENT GMBH
To: UDC IRELAND LIMITED
Reel/Frame 073741/0073 →