IP Library Assignment 015970/0152
Patent Assignment
Reel/Frame 015970/0152

Assignment of Assignor's Interest

Recorded: 2004-11-08 Pages: 3
Assignors
ROETTGER, DIRK
Executed: 2004-07-02
NIERLICH, FRANZ
Executed: 2004-07-02
WASSERSCHEID, PETER
Executed: 2004-07-02
KEIM, WILHELM
Executed: 2004-07-02
KRISSMANN, JOERG
Executed: 2004-07-02
Assignee
OXENO OLEFINCHEMIE GMBH
PAUL-BAUMANN-STRASSE 1, DUESSELDORF, D-40474, GERMANY
Covered Property (1)
Method for Separation of Substances by Extraction or by Washing Them with Ionic Liquids
Patent: 7,304,200 →
Application: 10/503,550 →
Publication: US 2005/0090704
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Feb 25, 2010
From: OXENO OLEFINCHEMIE GMBH
To: EVONIK OXENO GMBH
Reel/Frame 024006/0287 →
Merger Feb 26, 2014
From: EVONIK OXENO GMBH
To: EVONIK DEGUSSA GMBH
Reel/Frame 032335/0453 →