Patent Assignment
Reel/Frame 017356/0307
Assignment of Assignor's Interest
Recorded: 2005-12-14
Pages: 3
Assignors
UHRLANDT, STEFAN
Executed: 2004-12-09
THOMA, HERBERT
Executed: 2004-12-09
BLUME, ANKE
Executed: 2004-12-09
Assignee
DEGUSSA AG
BENNIGSENPLATZ 1, DUESSELDORF 40474, GERMANY
Covered Property
(1)
Aluminum-Containing Precipitated Silicic Acid Having an Adjustable Bet/Ctab Ratio
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change Address
Feb 22, 2010
From: EVONIK DEGUSSA GMBH
To: EVONIK DEGUSSA GMBH
Reel/Frame 023985/0296 →
Change of Entity
Feb 22, 2010
From: DEGUSSA AG
To: DEGUSSA GMBH
Reel/Frame 023998/0937 →
Change of Name
Feb 23, 2010
From: DEGUSSA GMBH
To: EVONIK DEGUSSA GMBH
Reel/Frame 024006/0127 →
Change of Name
Jan 31, 2020
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 051765/0166 →