Patent Assignment
Reel/Frame 043860/0078
Change of Name
Recorded: 2017-09-14
Pages: 49
Assignor
BAYER MATERIALSCIENCE AG
Executed: 2015-09-01
Assignee
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60, LEVERKUSEN, 51373, GERMANY
Covered Property
(1)
Method for Working Up Alkaline Polyether Polyols
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 11, 2017
From: LORENZ, KLAUS
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 043545/0275 →
Assignment of Assignor's Interest
Sep 11, 2017
From: MARQUEZ BENITEZ, MARCO ANTONIO
To: BAYER DE MEXICO S.A. DE C.V.
Reel/Frame 043545/0533 →
Assignment of Assignor's Interest
Sep 11, 2017
From: BAYER DE MEXICO S.A. DE C.V.
To: BAYER MATERIALSCIENCE AG
Reel/Frame 043545/0948 →