IP Library Assignment 020289/0786
Patent Assignment
Reel/Frame 020289/0786

Assignment of Assignor's Interest

Recorded: 2007-12-13 Pages: 4
Assignors
POHL, FRITZ
Executed: 2007-11-13
LORENZ, WOLFGANG
Executed: 2007-11-14
PADEKEN, LARS
Executed: 2007-11-15
PENNEMANN, BERND
Executed: 2007-11-16
STEFFENS, FRIEDHELM
Executed: 2007-11-15
WIECHERS, GERHARD
Executed: 2007-11-16
Assignee
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Covered Property (1)
Process for the Preparation of Toluenediamines by Catalytic Hydrogenation of Dinitrotoluenes
Patent: 7,511,176 →
Application: 12/001,879 →
Publication: US 2008/0146847
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Mar 30, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038399/0306 →