Patent Assignment
Reel/Frame 018872/0619
Corrective Assignment to Correct the First Assignor's Name, Previously Recorded at Reel 018775 Frame 0914.
Recorded: 2007-02-02
Pages: 10
Assignors
RIX, ARMIN
Executed: 2006-10-20
PETERS, UDO
Executed: 2006-10-20
PRAEFKE, JOCHEN
Executed: 2006-10-20
ROETTGER, DIRK
Executed: 2006-10-20
NIERLICH, FRANZ
Executed: 2006-10-20
Assignee
OXENO OLEFINCHEMIE GMBH
PAUL-BAUMANN-STRASSE 1, D-45772 MARL, GERMANY
Covered Property
(1)
Process for Preparing 1-Butene from Technical Mixtures of C4 Hydrocarbons
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 5, 2006
From: RIX, ARMIM; PETERS, UDO; PRAEFKE, JOCHEN; ROTTGER, DIRK
To: OXENO OLEFINCHEMIE GMBH
Reel/Frame 018664/0034 →
Document Previously Recorded at Reel 018664 Frame 0034 Contained an Error in Property Number 11512460. Document Rerecorded to Correct Errors on Stated Reel.
Jan 8, 2007
From: RIX, ARMIM; PETERS, UDO; PRAEFKE, JOCHEN; ROTTGER, DIRK
To: OXENO OLEFINCHEMIE GMBH
Reel/Frame 018775/0914 →
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 →