Patent Assignment
Reel/Frame 013841/0256
Assignment of Assignor's Interest
Recorded: 2003-02-28
Pages: 2
Assignors
BRANDT, MATTHIAS
Executed: 2003-01-28
KLEIN, STEPHAN
Executed: 2003-02-03
WEGENER, GERHARD
Executed: 2003-02-05
Assignee
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Covered Property
(1)
Process for the Production of a Dinitronaphthalene Isomer Mixture with a High Proportion of 1,5-Dinitronaphthalene
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 →