Patent Assignment
Reel/Frame 019157/0339
Assignment of Assignor's Interest
Recorded: 2007-04-13
Pages: 3
Assignor
GRASS, MICHAEL
Executed: 2007-02-02
Assignee
OXENO OLEFINCHEMIE GMBH
PAUL-BAUMANN-STRASSE 1, MARL, D-45772, GERMANY
Covered Property
(1)
Dialkyl Terephthalates and Their Use
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Feb 25, 2010
From: OXENO OLEFINCHEMIE GMBH
To: EVONIK OXENO GMBH
Reel/Frame 024006/0287 →
Merger
Feb 26, 2014
From: EVONIK OXENO GMBH
To: EVONIK DEGUSSA GMBH
Reel/Frame 032335/0453 →
Change of Name
Dec 16, 2022
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 062739/0749 →
Confirmatory Assignment
Nov 6, 2023
From: EVONIK OPERATIONS GMBH
To: EVONIK OXENO GMBH & CO. KG
Reel/Frame 065463/0144 →