Patent Assignment
Reel/Frame 028716/0318
Assignment of Assignor's Interest
Recorded: 2012-08-03
Pages: 8
Assignors
LANGSTON, JUSTIN AUGUST
Executed: 2012-05-14
WANG, JEN-LUNG
Executed: 2012-05-11
MOORE, PETER
Executed: 2012-05-21
Assignee
EVONIK ROHMAX ADDITIVES GMBH
KIRSCHENALLEE, DARMSTADT, 64293, GERMANY
Covered Property
(1)
Polymer Useful as Viscosity Index Improver
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 →