Patent Assignment
Reel/Frame 012327/0650
Assignment of Assignor's Interest
Recorded: 2001-11-29
Pages: 3
Assignee
STOCKHAUSEN GMBH & CO. KG
BAEKERPFAD 25, DE-47805 KREFELD, GERMANY
Covered Property
(1)
Powdery, Crosslinked Absorbent Polymers, Method for the Production Thereof, and Their Use
Patent:
6,620,889 →
Application:
09/914,466 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Mar 2, 2010
From: STOCKHAUSEN VERWALTUNGSGESELLSCHAFT MBH
To: STOCKHAUSEN GMBH
Reel/Frame 024023/0800 →
Change of Name
Mar 4, 2010
From: STOCKHAUSEN GMBH
To: EVONIK STOCKHAUSEN GMBH
Reel/Frame 024023/0776 →
Merger
Mar 4, 2010
From: STOCKHAUSEN GMBH & CO. KG
To: STOCKHAUSEN VERWALTUNGSGESELLSCHAFT MBH
Reel/Frame 024023/0949 →
Merger
May 15, 2013
From: EVONIK STOCKHAUSEN GMBH
To: EVONIK DEGUSSA GMBH
Reel/Frame 030417/0037 →
Change of Name
Dec 9, 2019
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 051225/0535 →