Patent Assignment
Reel/Frame 012811/0424
Assignment of Assignor's Interest
Recorded: 2002-04-17
Pages: 3
Assignors
KERNER, DIETER
Executed: 2002-03-03
MANGOLD, HELMUT
Executed: 2002-03-03
MEYER, JURGEN
Executed: 2002-03-03
Assignee
DEGUSSA AG
RODENBACHER CHAUSSEE 4, D-63457 HANAY, GERMANY
Covered Property
(1)
Surface-Modified, Doped, Pyrogenically Produced Oxides
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 →