IP Library › Assignment 015725/0138
Patent Assignment
Reel/Frame 015725/0138

Assignment of Assignor's Interest

Recorded: 2004-08-26 Pages: 3
Assignors
DIETERRICH, ERWIN
Executed: 2004-03-18
HIELSCHER, ANKE
Executed: 2004-03-10
KEGGENHOFF, BERTHOLD
Executed: 2004-03-31
KELLER-KILLEWALD, MANFRED
Executed: 2004-04-14
WASTIAN, DIETMAR
Executed: 2004-03-19
MEUNNIG, JUERGE
Executed: 2004-03-19
Assignee
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Covered Property (1)
Process for the Two-Step Production of Dinitrotoluene
Patent: 6,984,762 →
Application: 10/780,266 →
Publication: US 2004/0267061
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 038365/0392 →