Patent Assignment
Reel/Frame 012422/0496
Assignment of Assignor's Interest
Recorded: 2001-12-12
Pages: 7
Assignors
RIEDEL, MICHAEL
Executed: 2001-09-20
BERGRATH, KLAUS
Executed: 2001-09-10
ZGORZELSKI, WOLFGANG
Executed: 2001-08-28
WIEBUS, ERNST
Executed: 2001-09-07
FENSKE, WILFRIED
Executed: 2001-09-03
BOHNEN, HANS
Executed: 2001-09-05
GREB, WOLFGANG
Executed: 2001-09-20
Assignee
CELANESE CHEMICALS EUROPE GMBH
LURGAILLEE 14, D-60439 FRANKFURT, GERMANY
Covered Property
(1)
Method for Producing Sulfonated Aryl Phosphines
Patent:
6,610,881 →
Application:
09/937,640 →
Related Assignments
(8)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 12, 2001
From: FROHNING, CARL DIETER
To: CELANESE CHEMICALS EUROPE GMBH
Reel/Frame 012422/0520 →
Assignment of Assignor's Interest
Dec 12, 2001
From: BAHRMANN, HELMUT
To: CELANESE CHEMICALS EUROPE GMBH
Reel/Frame 012422/0507 →
Assignment of Assignor's Interest
Dec 12, 2001
From: HERWIG, JURGEN
To: CELANESE CHEMICALS EUROPE GMBH
Reel/Frame 012422/0512 →
Assignment of Assignor's Interest
Dec 12, 2001
From: FISCHER, RICHARD
To: CELANESE CHEMICALS EUROPE GMBH
Reel/Frame 012422/0399 →
Assignment of Assignor's Interest
Dec 12, 2001
From: ECKL, ROBERT
To: CELANESE CHEMICALS EUROPE GMBH
Reel/Frame 012422/0404 →
Assignment of Assignor's Interest
Dec 12, 2001
From: RAMPF, FLORIAN
To: CELANESE CHEMICALS EUROPE GMBH
Reel/Frame 012422/0426 →
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 →