Patent Assignment
Reel/Frame 028310/0490
Assignment of Assignor's Interest
Recorded: 2012-06-04
Pages: 12
Assignors
KOSCHABEK, RENE
Executed: 2012-03-01
KUENZEL, SANDRA
Executed: 2012-02-28
WEBER, MARKUS
Executed: 2012-03-08
BARTELS, THORSTEN
Executed: 2012-03-02
WINCIERZ, CHRISTOPH
Executed: 2012-02-29
Assignee
EVONIK ROHMAX ADDITIVES GMBH
KIRSCHENALLEE, DARMSTADT, 64293, GERMANY
Covered Property
(1)
(Meth)Acrylate Polymers for Improving the Viscosity Index
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Dec 1, 2015
From: EVONIK ROHMAX ADDITIVES GMBH
To: EVONIK OIL ADDITIVES GMBH
Reel/Frame 037175/0522 →
Merger
Jan 8, 2020
From: EVONIK OIL ADDITIVES GMBH
To: EVONIK DEGUSSA GMBH
Reel/Frame 051505/0590 →
Change of Name
Jan 8, 2020
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 051505/0797 →