IP Library Assignment 025776/0020
Patent Assignment
Reel/Frame 025776/0020

Assignment of Assignor's Interest

Recorded: 2011-02-09 Pages: 4
Assignors
NOTTE, PATRICK
Executed: 2011-01-10
DEVAUX, ALBERT
Executed: 2011-01-10
Assignee
DEQUEST AG
BUNDESPLATZ 1, 6300 ZUG, SWITZERLAND
Covered Property (1)
Method of Secondary Oil Recovery Using an Aminoalkylene Phosphonic Acid and an Amine Neutralizing Agent
Patent: 8,349,772 →
Application: 13/001,110 →
Publication: US 2011/0130312
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 4, 2014
From: DEQUEST AG
To: ITALMATCH CHEMICALS SPA
Reel/Frame 032342/0281 →