Patent Assignment
Reel/Frame 013872/0979
Assignment of Assignor's Interest
Recorded: 2003-03-10
Pages: 2
Assignors
HAGEN, TORSTEN
Executed: 2003-01-17
KAMPER, FRIEDHELM
Executed: 2003-01-21
KOCH, DANIEL
Executed: 2003-01-15
UCHDORF, RUDOLF
Executed: 2003-01-24
WERSHOFEN, STEFAN
Executed: 2003-01-17
Assignee
BAYER AKTIENGESELLSCHAFT
PATENT UND LIZENZEN, D-51368 LEVERKUSEN, GERMANY
Covered Property
(1)
Process for Producing Polyisocyanates of the Diphenyl Methane Series Having a Reduced Color Value
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 →