Patent Assignment
Reel/Frame 025605/0409
Corrective Assignment Reel/Frame 025376/0009
Recorded: 2010-12-28
Pages: 7
Assignors
NENNEMANN, ARNO
Executed: 2010-08-25
DORR, SEBASTIAN
Executed: 2010-09-20
PYRLIK, OLIVER
Executed: 2010-09-13
Assignee
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING, BUILDING Q 18, LEVERKUSEN, D-51368, GERMANY
Covered Property
(1)
Stable Polyisocyanates Comprising Nanoparticles
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 16, 2010
From: NENNEMANN, ARNO; DORR, SEBASTIAN; PYRLIK, OLIVER
To: BAYER MATERIALSCIENCE AG
Reel/Frame 025376/0009 →
Corrective Assignment to Correct the Filing Date Previously Recorded on Reel 025605 Frame 0409
Feb 8, 2011
From: NENNEMANN, ARNO; DORR, SEBASTIAN; PYRLIK, OLIVER
To: BAYER MATERIALSCIENCE AG
Reel/Frame 025766/0261 →
Change of Name
Mar 30, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038399/0469 →