Patent Assignment
Reel/Frame 013363/0823
Assignment of Assignor's Interest
Recorded: 2002-09-05
Pages: 3
Assignor
SPRINGER, HELMUT
Executed: 2002-08-30
Assignee
CELANESE CHEMICALS EUROPE GMBH
LURGIALLE 14, D-60439 FRANKFURT AM MAIN, GERMANY
Covered Property
(1)
Method for the Synthesis of Straight-Chain Aliphatic Carboxylic Acids from Aldehydes
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →