Patent Assignment
Reel/Frame 015594/0597
Assignment of Assignor's Interest
Recorded: 2005-01-24
Pages: 2
Assignor
DEGUSSA-HULS AKTIENGESELLSCHAFT
Executed: 2001-02-09
Assignee
DEGUSSA AG
BENNIGSENPLATZ 1, DUESSELDORF, DE-40474, GERMANY
Covered Property
(1)
Bactericidal Silicon Dioxide Doped with Silver
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 →