Patent Assignment
Reel/Frame 013494/0292
Assignment of Assignor's Interest
Recorded: 2002-09-17
Pages: 3
Assignor
WIEBUS, ERNST
Executed: 2002-09-13
Assignee
CELANESE CHEMICALS EUROPE GMBH
LURGIALLE 14, D60439 FRANKFURT AM MAIN, GERMANY
Covered Property
(1)
Method for Recovering Rhodium from Hydroformylation Products
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 17, 2002
From: SCHALAPSKI, KURT; LUKAS, RAINER
To: CEANES CHEMICALS EUROPE GMBH
Reel/Frame 013494/0271 →
Assignment of Assignor's Interest
Sep 17, 2002
From: MERTL, MICHAEL
To: CELANESE CHEMICALS EUROPE GMBH
Reel/Frame 013494/0277 →
Assignment of Assignor's Interest
Sep 17, 2002
From: FISCHER, RICHARD
To: CELANESE CHEMICALS EUROPE GMBH
Reel/Frame 013494/0285 →
Assignment of Assignor's Interest
Mar 27, 2007
From: CELANESE CHEMICALS EUROPE GMBH; CELANESE GMBH; HOECHST AG; CLARIANT GMBH
To: DRACHENFELSSEE 521. VV GMBH (TO BE RENAMED OXEA DEUTSCHLAND GMBH)
Reel/Frame 019069/0199 →
Change of Name
Mar 31, 2008
From: DRACHENFELSSEE 521. V V GMBH
To: OXEA DEUTSCHLAND GMBH
Reel/Frame 022703/0784 →
Change of Name
Apr 1, 2008
From: OXEA DEUTSCHLAND GMBH
To: OXEA GMBH
Reel/Frame 022856/0130 →