Patent Assignment
Reel/Frame 027582/0460
Assignment of Assignor's Interest
Recorded: 2012-01-24
Pages: 4
Assignors
NEFZGER, HARTMUT
Executed: 2011-11-22
BAUER, ERIKA
Executed: 2011-11-28
HOFMANN, JOERG
Executed: 2011-12-01
LORENZ, KLAUS
Executed: 2011-12-01
HAHN, NORBERT
Executed: 2011-11-28
Assignee
BAYER MATERIALSCIENCE AG
BUILDING Q 18, PATENTS & LICENSING, LEVERKUSEN, 51368, GERMANY
Covered Property
(1)
Process for Producing Polyether Polyols Having Primary Hydroxyl End Groups
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Mar 30, 2016
From: COVESTRO DEUTSCHLAND AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038301/0001 →
Corrective Assignment to Correct the Assignor Name Previously Recorded on Reel 038301 Frame 0001. Assignor(S) Hereby Confirms the Change of Name from Bayer Materialscience Ag to Covestro Deutschland Ag.
Jun 13, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038966/0865 →