Patent Assignment
Reel/Frame 013686/0811
Assignment of Assignor's Interest
Recorded: 2003-01-22
Pages: 3
Assignors
HASENZAHL, STEFFEN
Executed: 2002-12-03
MEYER, JURGEN
Executed: 2002-12-03
HEYM, JURGEN
Executed: 2002-12-06
Assignee
DEGUSSA AG
BENNIGSENPLATZ 6, D-40474 DUSSELDORF, GERMANY
Covered Property
(1)
Use of Granular Materials Based on Pyrogenically Produced Silicon Dioxide in Pharmaceutical Compositions
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
Mar 29, 2020
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 052254/0052 →