IP Library › Assignment 013749/0585
Patent Assignment
Reel/Frame 013749/0585

Assignment of Assignor's Interest

Recorded: 2002-09-10 Pages: 3
Assignors
SPRINGER, HELMUT
Executed: 2002-08-30
HEYMANNS, PETER
Executed: 2002-09-04
Assignee
CELANESE CHEMICALS EUROPE GMBH
LURGIALLE 14, D 60439 FRANKFURT AM MAIN, GERMANY
Covered Property (1)
Method for Producing Aliphatic Carboxylic Acids from Aldehydes
Patent: 6,696,582 →
Application: 10/204,286 →
Publication: US 2003/0100793
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 →