Patent Assignment
Reel/Frame 014469/0412
Assignment of Assignor's Interest
Recorded: 2003-09-09
Pages: 3
Assignee
STOCKHAUSEN GMBH & CO. KG
BAEKERPFAD 25, D-47805 KREFELD, GERMANY
Covered Property
(1)
Method and Device for Purifying Substances by Means of Crystallisation
Patent:
6,664,419 →
Application:
09/890,790 →
Related Assignments
(4)
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 →