Patent Assignment
Reel/Frame 014387/0618
Assignment of Assignor's Interest
Recorded: 2003-08-18
Pages: 4
Assignors
KEGGENHOFF, BERTHOLD
Executed: 2003-07-22
SITTKUS, KARL R.
Executed: 2003-07-18
MUELLER, CLAUDIA
Executed: 2003-07-18
ZERVOUDIS, DEMETRIOS
Executed: 2003-08-05
Assignee
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN, D51368 LEVERKUSEN, GERMANY
Covered Property
(1)
Process for Preparing Aromatic Amines
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 15, 2003
From: KEGGENHOFF, BERTHOLD; SITTKUS, KARL R.; MUELLER, CLAUDIA; ZERVOUDIS, DEMETRIOS N.
To: BAYER AKTIENGESELLSCHAFT; BAYER POLYMERS LLC
Reel/Frame 014401/0648 →
Assignment of Assignor's Interest
Sep 14, 2004
From: BAYER POLYMERS LLC
To: BAYER MATERIALSCIENCE LLC
Reel/Frame 016411/0377 →
Assignment of Assignor's Interest
Mar 9, 2016
From: BAYER AG
To: BAYER MATERIALSCIENCE AG
Reel/Frame 038044/0799 →
Change of Name
Mar 22, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038399/0358 →
Change of Name
Apr 6, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038365/0392 →