IP Library › Assignment 030183/0522
Patent Assignment
Reel/Frame 030183/0522

Change of Name

Recorded: 2013-04-10 Pages: 17
Assignor
ALLESSACHEMIE GMBH
Executed: 2012-10-01
Assignee
ALLESSA GMBH
ALT FECHEHEIM 34, FRANKFURT, 60386, GERMANY
Covered Property (1)
Stabilized Aqueous Polymer Compositions
Patent: 7,842,741 →
Application: 12/321,552 →
Publication: US 2009/0192055
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 22, 2009
From: ENGELHARDT, FRIEDRICH; BREMER, CHRISTIAN; OBERMULLER, ANJA; CHRISTIAN, JOACHIM
To: ALLESSA CHEMIE GMBH
Reel/Frame 022581/0666 →
Assignment of Assignor's Interest Aug 6, 2013
From: ALLESSA GMBH
To: TOUGAS OILFIELD SOLUTIONS GMBH
Reel/Frame 031040/0187 →
Assignment of Assignor's Interest Dec 14, 2025
From: TOUGAS OILFIELD SOLUTIONS GMBH
To: TOUGAS HOLDING GMBH
Reel/Frame 073210/0029 →