Patent Assignment
Reel/Frame 012504/0732
Assignment of Assignor's Interest
Recorded: 2001-10-30
Pages: 2
Assignors
VOGT, UWE
Executed: 2001-08-13
BROCKMANN, ROLF
Executed: 2001-08-14
ROICK, THOMAS
Executed: 2001-08-15
GASSEN, KARL-RUDOLF
Executed: 2001-08-15
FELDHUES, ULRICH
Executed: 2001-08-14
Assignee
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN, D-51368 LEVERKUSEN, GERMANY
Covered Property
(1)
Stilbene Brightener
Patent:
6,596,864 →
Application:
10/018,309 →
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 025632/0694 →