IP Library Assignment 022028/0539
Patent Assignment
Reel/Frame 022028/0539

Assignment of Assignor's Interest

Recorded: 2008-12-09 Pages: 5
Assignors
LAAS, HANS-JOSEF
Executed: 2008-11-19
HALPAAP, REINHARD
Executed: 2008-11-19
MAGER, DIETER
Executed: 2008-11-19
MECHTEL, MARKUS
Executed: 2008-11-26
EHLERS, MICHAEL
Executed: 2008-11-24
HERTRAMPF, REINHARD
Executed: 2008-11-24
Assignee
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Covered Property (1)
Polyisocyanate Mixtures Comprising Cycloaliphatic Structural Elements
Patent: 7,939,598 →
Application: 12/315,980 →
Publication: US 2009/0156738
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 →