Patent Assignment
Reel/Frame 020812/0511
Assignment of Assignor's Interest
Recorded: 2008-04-16
Pages: 8
Assignors
HERTH, GREGOR
Executed: 2007-11-03
DANNEHL, MANFRED
Executed: 2007-11-06
STEINER, NORBERT
Executed: 2007-11-03
Assignee
STOCKHAUSEN GMBH
BAEKERPFAD 25, KREFELD, 47805, GERMANY
Covered Property
(1)
Water-Soluble or Water-Swellable Polymers, Particularly Water-Soluble or Water-Swellable Copolymers Made of Acrylamide and at Least One Ionic Comonomer Having a Low Residual Monomer Concentration
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Mar 4, 2010
From: STOCKHAUSEN GMBH
To: EVONIK STOCKHAUSEN GMBH
Reel/Frame 024023/0758 →
Merger
May 15, 2013
From: EVONIK STOCKHAUSEN GMBH
To: EVONIK DEGUSSA GMBH
Reel/Frame 030417/0037 →
Change of Name
Jan 31, 2020
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 051765/0166 →
Confirmatory Assignment
Oct 19, 2021
From: EVONIK OPERATIONS GMBH
To: EVONIK SUPERABSORBER GMBH
Reel/Frame 057857/0806 →