IP Library Assignment 019017/0745
Patent Assignment
Reel/Frame 019017/0745

Assignment of Assignor's Interest

Recorded: 2007-03-15 Pages: 29
Assignors
PRAEFKE, JOCHEN
Executed: 2007-02-20
RIX, ARMIN
Executed: 2007-02-20
SANTIAGO FERNANDEZ, SILVIA
Executed: 2007-02-22
GROEMPING, MATTHIAS
Executed: 2007-02-24
HOEPER, FRANK
Executed: 2007-02-20
PETERS, UDO
Executed: 2007-02-20
LEISTNER, JOERG
Executed: 2007-02-20
NIERLICH, FRANZ
Executed: 2007-02-22
ROETTGER, DIRK
Executed: 2007-02-20
Assignee
OXENO OLEFINCHEMIE GMBH
PAUL-BAUMANN-STRASSE 1, MARL, D-45772, GERMANY
Covered Property (1)
Process for Preparing Ethyl Tert-Butyl Ether from Technical Mixtures of C4 Hydrocarbons
Patent: 8,269,050 →
Application: 11/614,275 →
Publication: US 2007/0203369
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 →