Patent Assignment
Reel/Frame 030641/0072
Assignment of Assignor's Interest
Recorded: 2013-06-19
Pages: 4
Assignors
NEFZGER, HARTMUT
Executed: 2013-05-13
HOFMANN, JOERG
Executed: 2013-05-23
BAUER, ERIKA
Executed: 2013-06-04
KLESCZEWSKI, BERT
Executed: 2013-05-15
LORENZ, KLAUS
Executed: 2013-05-23
Assignee
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10, MONHEIM, 40789, GERMANY
Covered Property
(1)
Process for the Preparation of Polyricinoleic Acid Ester Polyols Having Primary Hydroxyl End Groups
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 →