IP Library › Assignment 019626/0793
Patent Assignment
Reel/Frame 019626/0793

Assignment of Assignor's Interest

Recorded: 2007-07-31 Pages: 3
Assignors
SCHUMACHER, KAI
Executed: 2005-07-21
KERNER, DIETER
Executed: 2005-07-25
Assignee
DEGUSSA AG
BENNIGSENPLATZ 1,, DUESSELDORF, 40474, GERMANY
Covered Property (1)
Pyrogenic Silicon Dioxide Powder and Dispersion Thereof
Patent: 7,534,409 →
Application: 10/549,929 →
Publication: US 2006/0201647
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 →