Patent Assignment
Reel/Frame 031647/0237
Assignment of Assignor's Interest
Recorded: 2013-11-21
Pages: 2
Assignors
WOLF, AUREL
Executed: 2012-08-07
GRASSER, STEFAN
Executed: 2012-08-07
GUERTLER, CHRISTOPH
Executed: 2012-08-07
HOFMANN, JOERG
Executed: 2012-08-14
Assignee
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10, MONHEIM, 40789, GERMANY
Covered Property
(1)
Process for Preparing Polyether Carbonate Polyols with Double Metal Cyanide Catalysts and in the Presence of Metal Salts
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 →