Patent Assignment
Reel/Frame 037173/0643
Assignment of Assignor's Interest
Recorded: 2015-12-01
Pages: 3
Assignor
EVONIK INDUSTRIES AG
Executed: 2015-11-19
Assignee
EVONIK OIL ADDITIVES GMBH
KIRSCHENALLEE, DARMSTADT, 64293, GERMANY
Covered Property
(1)
Process for Preparing Low Sulfur Dispersant Polymers
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 14, 2015
From: LANGSTON, JUSTIN AUGUST; VOLTZ, BARBARA; MAEHLING, FRANK-OLAF; DUCKWORTH, MICHAEL G
To: EVONIK INDUSTRIES AG
Reel/Frame 036077/0020 →
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 →