Patent Assignment
Reel/Frame 042986/0544
Assignment of Assignor's Interest
Recorded: 2017-06-26
Pages: 5
Assignee
EVONIK ROEHM GMBH
KIRSCHENALLEE, DARMSTADT, 64293, GERMANY
Covered Property
(1)
Preparation of N,N-(Di)Alkylaminoalkyl(Meth)Acrylamide or N,N-(Di)Alkylaminoalkyl (Meth)Acrylate and the Quaternary Ammonium Salts Thereof as Flocculating Aids and Gelling Agents
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Dec 4, 2019
From: EVONIK RÖHM GMBH
To: RÖHM GMBH
Reel/Frame 051182/0966 →
Merger
Dec 4, 2019
From: EVONIK OIL ADDITIVES GMBH
To: EVONIK DEGUSSA GMBH
Reel/Frame 051182/0974 →
Change of Name
Dec 4, 2019
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 051182/0990 →
Assignment of Assignor's Interest
Dec 4, 2019
From: RÖHM GMBH
To: EVONIK OIL ADDITIVES GMBH
Reel/Frame 051196/0216 →