Patent Assignment
Reel/Frame 030129/0623
Assignment of Assignor's Interest
Recorded: 2013-04-02
Pages: 2
Assignors
GUERTLER, CHRISTOPH
Executed: 2013-02-19
HOFMANN, JOERG
Executed: 2013-02-28
WOLF, AUREL
Executed: 2013-02-27
GRASSER, STEFAN
Executed: 2013-02-22
Assignee
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10, MONHEIM, 40789, GERMANY
Covered Property
(1)
Process for the Preparation of Polyether Carbonate Polyols
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 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 038370/0892 →