Patent Assignment
Reel/Frame 019593/0470
Assignment of Assignor's Interest
Recorded: 2007-07-11
Pages: 3
Assignor
CELANESE CHEMICALS EUROPE GMBH
Executed: 2007-07-11
Assignee
OXEA GMBH
OTTO-ROELEN-STRASSE 3, OBERHAUSEN, 46147, GERMANY
Covered Properties
(2)
Process for Preparing Aldehydes
Process for preparing sulfonated arylphosphines
Application:
11/480,178 →
Publication:
US 2006/0276669
Related Assignments
(4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 23, 2006
From: THIEL, DIETMAR; FROHNING, CARL DIETER
To: CELANESE CHEMICALS EUROPE GMBH
Reel/Frame 017613/0954 →
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 →