Patent Assignment
Reel/Frame 036077/0020
Assignment of Assignor's Interest
Recorded: 2015-07-14
Pages: 8
Assignors
LANGSTON, JUSTIN AUGUST
Executed: 2015-03-10
VOLTZ, BARBARA
Executed: 2015-04-07
MAEHLING, FRANK-OLAF
Executed: 2015-03-06
DUCKWORTH, MICHAEL G
Executed: 2015-06-18
HESS, BRIAN
Executed: 2015-03-10
GOKHALE, RHISHIKESH
Executed: 2015-03-06
Assignee
EVONIK INDUSTRIES AG
RELLINGHAUSER STRASSE 1-11, ESSEN, 45128, 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
Dec 1, 2015
From: EVONIK INDUSTRIES AG
To: EVONIK OIL ADDITIVES GMBH
Reel/Frame 037173/0643 →
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 →