Patent Assignment
Reel/Frame 030416/0834
Change of Name
Recorded: 2013-05-15
Pages: 7
Assignor
STOCKHAUSEN VERWALTUNGSGESELLSCHAFT MBH
Executed: 2004-06-01
Assignee
STOCKHAUSEN GMBH
BAKERPFAD 25, KREFELD, 47805, GERMANY
Covered Properties
(7)
Polymer Composition, Absorbent Composition, Their Production and Use
Patent:
5,721,295 →
Application:
08/535,069 →
Substrate with Super-Absorbent Material, Method for Manufacture Thereof and Use
Patent:
5,998,312 →
Application:
08/875,237 →
Pulverulent Laundry and Cleaning Detergent Ingredient Consisting of Polycarbosylate and Silicate
Substrate with Super-Absorbent Material, Method for Manufacture Thereof and Use
Superabsorbent Polymers Having Delayed Water Absorption Characteristics
Superabsorbent Polymers Having Delayed Water Absorption Characteristics
Polymer Dispersions for Fire Prevention and Firefighting
Related Assignments
(7)
Other recorded transfers of the patents in this record — the chain of ownership.
Change of Name
May 15, 2013
From: STOCKHAUSEN GMBH
To: EVONIK STOCKHAUSEN GMBH
Reel/Frame 030416/0806 →
Merger
May 15, 2013
From: EVONIK STOCKHAUSEN GMBH
To: EVONIK DEGUSSA GMBH
Reel/Frame 030417/0037 →
Merger
May 15, 2013
From: STOCKHAUSEN GMBH & CO. KG
To: STOCKHAUSEN VERWALTUNGSGESELLSCHAFT MBH
Reel/Frame 030416/0845 →
Assignment of Assignor's Interest
Aug 20, 2014
From: CLARIANT PRODUKTE (DEUTSCHLAND) GMBH)
To: WEYLCHEM SWITZERLAND AG
Reel/Frame 033597/0431 →
Assignment of Assignor's Interest
Mar 13, 2015
From: WEYLCHEM SWITZERLAND AG
To: WEYLCHEM WIESBADEN GMBH
Reel/Frame 035235/0891 →
Change of Name
Dec 9, 2019
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 051225/0535 →
Assignment of Assignor's Interest
Oct 20, 2021
From: EVONIK OPERATIONS GMBH
To: EVONIK SUPERABSORBER GMBH
Reel/Frame 057880/0773 →