Patent Assignment
Reel/Frame 011834/0592
Assignment of Assignor's Interest
Recorded: 2001-05-15
Pages: 2
Assignors
HALPAAP, REINHARD
Executed: 2001-04-02
MAGER, DIETER
Executed: 2001-04-03
OECKL, SIEGFRIED
Executed: 2001-04-04
MERTES, HARALD
Executed: 2001-04-09
Assignee
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN, D-51368 LEVERKUSEN, GERMANY
Covered Property
(1)
Process for the Preparation of Polyisocyanates with a Biuret Structure
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 038363/0921 →