IP Library Assignment 020020/0623
Patent Assignment
Reel/Frame 020020/0623

Assignment of Assignor's Interest

Recorded: 2007-10-26 Pages: 4
Assignors
PETERS, UDO
Executed: 2005-06-29
REUSCH, DIETER
Executed: 2005-06-29
BECKMANN, ANDREAS
Executed: 2005-06-29
ROETTGER, DIRK
Executed: 2005-06-29
PRAEFKE, JOCHEN
Executed: 2005-06-29
Assignee
OXENO OLEFINCHEMIE GMBH
PAUL-BAUMANN-STRASSE 1,, MARL, D-45772, GERMANY
Covered Property (1)
Method for Producing Butene Oligomers and Tert-Butyl Ethers from C4 Flows Containing Isobutene
Patent: 7,473,812 →
Application: 10/543,148 →
Publication: US 2006/0122444
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 →