Patent Assignment
Reel/Frame 014413/0558
Assignment of Assignor's Interest
Recorded: 2003-08-24
Pages: 2
Assignors
SCHELHAAS, MICHAEL
Executed: 2003-06-25
GUERTLER, CHRISTOPH
Executed: 2003-06-25
BAUMBACH, BEATE
Executed: 2003-06-30
FUESSEL, CHRISTIAN
Executed: 2003-07-01
Assignee
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN, D-51368 LEVERKUSEN, GERMANY
Covered Property
(1)
Blocked Polyisocyanates
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 9, 2016
From: BAYER AG
To: BAYER MATERIALSCIENCE AG
Reel/Frame 038044/0799 →
Change of Name
Mar 22, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038399/0358 →
Change of Name
Apr 6, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038363/0921 →