IP Library Assignment 016009/0430
Patent Assignment
Reel/Frame 016009/0430

Assignment of Assignor's Interest

Recorded: 2004-11-17 Pages: 3
Assignors
RICHTER, FRANK
Executed: 2004-10-20
HALPAAP, REINHARD
Executed: 2004-11-02
LAAS, HANS-JOSEF
Executed: 2004-10-20
HECKING, ANDREAS
Executed: 2004-10-25
Assignee
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Covered Property (1)
Preparation of Polyisocyanates Containing Uretdione Groups
Patent: 7,151,151 →
Application: 10/990,558 →
Publication: US 2005/0113551
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 →