IP Library › Assignment 014206/0766
Patent Assignment
Reel/Frame 014206/0766

Assignment of Assignor's Interest

Recorded: 2003-06-24 Pages: 2
Assignors
DRENKER, KARL-HEINZ
Executed: 2003-05-13
GIESECKE, HEINZ
Executed: 2003-05-14
HUNKE, BERNHARD
Executed: 2003-05-21
HAUSCHEL, BERND
Executed: 2003-05-14
GOTTSCHALK, REINER
Executed: 2003-05-21
HUNDERTMARK
Executed: 2003-05-24
Assignee
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN, LEVERKUSEN, D- 51368, GERMANY
Covered Property (1)
Use of Brighteners for the Preparation of Coating Slips
Patent: 7,258,815 →
Application: 10/417,041 →
Publication: US 2003/0236326
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 1, 2006
From: BAYER AG
To: LANXESS DEUTSCHLAND GMBH
Reel/Frame 018584/0319 →
Assignment of Assignor's Interest Aug 17, 2007
From: LANXESS DEUTSCHLAND GMBH
To: OYJ, KEMIRA
Reel/Frame 019714/0340 →
Assignment of Assignor's Interest Jan 13, 2011
From: KEMIRA OYJ
To: BLANKOPHOR GMBH & CO. KG
Reel/Frame 025632/0676 →