IP Library Assignment 018842/0372
Patent Assignment
Reel/Frame 018842/0372

Assignment of Assignor's Interest

Recorded: 2007-01-24 Pages: 3
Assignors
KEGGENHOFF, BERTHOLD
Executed: 2006-11-25
ADAMSON, RICHARD
Executed: 2006-11-20
UCHDORF, RUDOLF
Executed: 2007-01-12
POHL, FRITZ
Executed: 2006-11-23
Assignee
BAYER MATERIALSCIENCE AG
D 51368 LEVERKUSEN, GERMANY
Covered Property (1)
Process for the Production of Di-and Polyamines of the Diphenylmethane Series
Patent: 7,312,362 →
Application: 11/657,338 →
Publication: US 2007/0179317
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 →