Patent Assignment
Reel/Frame 032227/0683
Assignment of Assignor's Interest
Recorded: 2014-02-17
Pages: 5
Assignors
MUELLER, THOMAS ERNST
Executed: 2013-12-16
GUERTLER, CHRISTOPH
Executed: 2013-12-20
WOHAK, MATTHIAS
Executed: 2014-01-06
HOFMANN, JOERG
Executed: 2014-01-06
SUBHANI, MUHAMMAD AFZAL
Executed: 2013-12-16
COSEMANS, MAURICE
Executed: 2013-12-22
LEITNER, WALTER
Executed: 2013-12-16
Assignee
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10, MONHEIM, 40789, GERMANY
Covered Property
(1)
Method for Activating Double Metal Cyanide Catalysts for Producing Polyether Polyols
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 10, 2016
From: BAYER INTELLECTUAL PROPERTY GMBH
To: BAYER MATERIALSCIENCE AG
Reel/Frame 038056/0732 →
Change of Name
Mar 21, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038188/0408 →
Change of Name
Apr 7, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038374/0844 →