Patent Assignment
Reel/Frame 021364/0992
Change of Name
Recorded: 2008-08-08
Pages: 7
Assignor
STOCKHAUSEN GMBH
Executed: 2007-09-17
Assignee
EVONIK STOCKHAUSEN GMBH
BAKERPFAD 25, KREFELD, 47805, GERMANY
Covered Properties
(2)
Water-Absorbent Polymer Structures Based on Renewable Resources and Method for Producing Said Structures
Acrylic Acid, Water-Absorbent Polymer Structures Based on Renewable Resources and Method for Producing Said Structures
Application:
11/817,247 →
Publication:
US 2009/0134357
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 3, 2007
From: BUB, GUNTHER; MOSLER, JURGEN; SABBAGH, ANDREAS; KUPPINGER, FRANZ-FELIX
To: STOCKHAUSEN GMBH
Reel/Frame 020185/0527 →
Assignment of Assignor's Interest
Mar 17, 2008
From: BUB, GUNTHER; MOSLER, JURGEN; SABBAGH, ANDREAS; KUPPINGER, FRANZ-FELIX
To: STOCKHAUSEN GMBH
Reel/Frame 020658/0895 →
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
Dec 10, 2019
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 051238/0591 →
Assignment of Assignor's Interest
Oct 21, 2021
From: EVONIK OPERATIONS GMBH
To: EVONIK SUPERABSORBER GMBH
Reel/Frame 057884/0218 →