Patent Assignment
Reel/Frame 026444/0229
Assignment of Assignor's Interest
Recorded: 2011-06-14
Pages: 3
Assignors
HIZALER HOFFMANN, EVIN
Executed: 2011-03-25
MLECZKO, LESLAW, DR.
Executed: 2011-03-30
SCHELLEN, RALPH
Executed: 2011-04-04
SCHUBERT, STEPHAN, DR.
Executed: 2011-05-11
Assignee
BAYER TECHNOLOGY SERVICES GMBH
BUILDING Q 18, LEVERKUSEN, 51368, GERMANY
Covered Property
(1)
Process for Preparing Bis(Para-Aminocyclohexyl)Methane
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 5, 2013
From: BAYER TECHNOLOGY SERVICES GMBH
To: BAYER INTELLECTUAL PROPERTY GMBH
Reel/Frame 031157/0347 →
Assignment of Assignor's Interest
Mar 9, 2016
From: BAYER INTELLECTUAL PROPERTY GMBH
To: BAYER MATERIALSCIENCE AG
Reel/Frame 038045/0298 →
Change of Name
Mar 21, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038188/0842 →
Change of Name
Apr 6, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038365/0392 →