IP Library › Assignment 018843/0066
Patent Assignment
Reel/Frame 018843/0066

Assignment of Assignor's Interest

Recorded: 2007-01-25 Pages: 2
Assignors
SPRINGER, HELMUT
Executed: 2007-01-06
BAVAJ, PAOLO
Executed: 2007-01-12
Assignee
CELANESE CHEMICALS EUROPE GMBH
SITE RUHRCHEMIE, PATENT DEPARTMENT, OBERHAUSEN, D-46128, GERMANY
Covered Property (1)
Bicyclo[4.3.0]Nonane-3(4),7(8)-Dicarboxylic Acid and a Process for Its Preparation
Patent: 7,358,385 →
Application: 11/657,760 →
Publication: US 2007/0179314
Related Assignments (4)
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 →
Assignment of Assignor's Interest Jul 13, 2007
From: CELANESE CHEMICALS EUROPE GMBH
To: OXEA DEUTSCHLAND GMBH
Reel/Frame 019588/0313 →
Corrective Assignment to Correct Property Number 10/967,957, Previously Recorded at Reel 019588 Frame 0313. Sep 26, 2007
From: CELANESE CHEMICALS EURORE GMBH
To: OXEA DEUTSCHLAND GMBH
Reel/Frame 019881/0260 →
Change of Name Apr 1, 2008
From: OXEA DEUTSCHLAND GMBH
To: OXEA GMBH
Reel/Frame 022856/0130 →