Patent Assignment
Reel/Frame 012472/0551
Assignment of Assignor's Interest
Recorded: 2002-01-14
Pages: 3
Assignors
SERVATY, SABINE
Executed: 2001-07-19
GEYER, WERNER
Executed: 2001-08-10
RAU, NORBERT
Executed: 2001-08-17
KRIEG, MANFRED
Executed: 2001-08-24
Assignee
ROEHM GMBH & CO KG
KIRSCHENALLEE, D-64293 DARMSTADT, GERMANY
Covered Property
(1)
Method for Producing Block-Shaped Polymethacrylimide Foamed Materials
Patent:
6,670,405 →
Application:
09/958,929 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Entity
Feb 25, 2010
From: ROHM GMBH & CO. KG
To: ROHM GMBH
Reel/Frame 023998/0760 →
Change of Name
Feb 25, 2010
From: ROHM GMBH
To: EVONIK ROHM GMBH
Reel/Frame 023998/0789 →
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 →