IP Library Assignment 015534/0058
Patent Assignment
Reel/Frame 015534/0058

Assignment of Assignor's Interest

Recorded: 2004-06-28 Pages: 3
Assignors
MUNNIG, JURGEN
Executed: 2004-04-28
WASTIAN, DIETMAR
Executed: 2004-04-29
LORENZ, WOLFGANG
Executed: 2004-04-28
KEGGENHOFF, BERTHOLD
Executed: 2004-05-03
Assignee
BAYER MATERIAL SCIENCE AG
D 51368 LEVERKUSEN, GERMANY
Covered Property (1)
Process for Working Up the Waste Water Obtained in the Preparation of Dinitrotoluene
Patent: 6,936,741 →
Application: 10/878,211 →
Publication: US 2004/0262238
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 →