IP Library Assignment 016200/0020
Patent Assignment
Reel/Frame 016200/0020

Assignment of Assignor's Interest

Recorded: 2005-05-06 Pages: 3
Assignors
SCHIEFERSTEIN, LUDWIG
Executed: 2005-03-11
PIETSCH, OLIVER
Executed: 2005-03-11
Assignee
COGNIS DEUTSCHLAND GMBH & CO. KG
HENKELSTRASSE 67, DUESSELDORF, D-40589, GERMANY
Covered Property (1)
Polyurethane-based thickeners
Application: 11/059,747 →
Publication: US 2005/0187342
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Patent and Trademark Transfer Agreement Nov 11, 2008
From: COGNIS DEUTSCHLAND GMBH & CO. KG
To: COGNIS IP MANAGEMENT GMBH
Reel/Frame 021817/0373 →