Patent Assignment
Reel/Frame 024552/0572
Assignment of Assignor's Interest
Recorded: 2010-06-17
Pages: 6
Assignors
LANGGUTH, PETER
Executed: 2010-05-31
GRUBE, STEFAN
Executed: 2010-05-28
FREY, HOLGER
Executed: 2010-05-31
OBERMEIER, BORIS
Executed: 2010-05-28
Assignee
EVONIK ROEHM GMBH
KIRSCHENALLEE, DARMSTADT, 64293, GERMANY
Covered Property
(1)
Quarternization of the Additive Amino Alkylmethacrylate Copolymer E for Improving Permeability and Solubility of Pharmaceuticals
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Feb 11, 2020
From: EVONIK ROEHM GMBH
To: ROEHM GMBH
Reel/Frame 051893/0671 →
Assignment of Assignor's Interest
Feb 11, 2020
From: ROEHM GMBH
To: EVONIK DEGUSSA GMBH
Reel/Frame 051893/0727 →
Change of Name
Feb 11, 2020
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 051894/0001 →