Patent Assignment
Reel/Frame 057884/0218
Assignment of Assignor's Interest
Recorded: 2021-10-21
Pages: 28
Assignor
EVONIK OPERATIONS GMBH
Executed: 2021-09-29
Assignee
EVONIK SUPERABSORBER GMBH
RELLINGHAUSER STRASSE 1-11, ESSEN, 45128, GERMANY
Covered Properties
(10)
Water-Absorbent Polymer Structures Based on Renewable Resources and Method for Producing Said Structures
Water-Absorbing Polymer Structures with Improved Absorption Properties
Water-Absorbing Polymer Structure with Improved Absorption Properties
Process for Production of (Meth)Acrylic Acid with High Boiling Fraction Work-Up by Means of Crystallization
Acrylic Acid and Water-Absorbing Polymer Structures Based on Renewable Raw Materials and Process for Their Production by Dehydration
Process for Preparing Acrylic Acid Purified by Crystallization from Hydroxypropionic Acid and Apparatus Therefore
Water-Absorbing Polymer Structures Based on Renewable Raw Materials and Process for Their Production by Dehydration
Superabsorbent Polymers and Methods of Making the Same
Superabsorbent Polymers and Methods of Making the Same
Superabsorbent Polymers and Methods of Making the Same
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Change of Name
Feb 4, 2013
From: EVONIK STOCKHAUSEN GMBH
To: EVONIK DEGUSSA GMBH
Reel/Frame 029747/0313 →
Change of Name
Dec 10, 2019
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 051238/0591 →
Change of Name
Dec 31, 2019
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 051457/0556 →