Patent Assignment
Reel/Frame 051457/0556
Change of Name
Recorded: 2019-12-31
Pages: 65
Assignor
EVONIK DEGUSSA GMBH
Executed: 2019-11-04
Assignee
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11, ESSEN, 45128, GERMANY
Covered Properties
(10)
Preparation of Highly Permeable, Superabsorbent Polymer Structures
Water-Absorbing Polymer Structure Having Improved Permeability and Absorption Under Pressure
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 Produced Using Polymer Dispersions
Process for Gentle Mixing and Coating of Superabsorbers
Superabsorbent Composition with Tannins for Odor Control
Water-Absorbing Polymer Structures Based on Renewable Raw Materials and Process for Their Production by Dehydration
Method for Producing Acrolein Comprising the Regeneration of a Raw Glycerin Phase
Superabsorbent Polymers and Methods of Making the Same
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 16, 2009
From: HARREN, JORG; VORHOLT, HERBERT; VAN STIPHOUDT, MANFRED; HOSE, RUDIGER
To: EVONIK STOCKHAUSEN GMBH
Reel/Frame 023662/0402 →
Assignment of Assignor's Interest
Oct 21, 2021
From: EVONIK OPERATIONS GMBH
To: EVONIK SUPERABSORBER GMBH
Reel/Frame 057884/0218 →
Assignment of Assignor's Interest
Oct 21, 2021
From: EVONIK OPERATIONS GMBH
To: EVONIK SUPERABSORBER GMBH
Reel/Frame 057885/0071 →