Patent Assignment
Reel/Frame 015911/0975
Assignment of Assignor's Interest
Recorded: 2004-10-18
Pages: 2
Assignors
LAPPE, PETER
Executed: 2004-09-30
SPRINGER, HELMUT
Executed: 2004-10-01
LUKAS, RAINER
Executed: 2004-10-04
Assignee
CELANESE CHEMICALS EUROPE GMBH
FRANKFURTER STRASSE 111, D-61476 KRONBERG, GERMANY
Covered Property
(1)
Process for Preparing Tcd-Diamine
Related Assignments
(2)
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 →
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 →