The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 13, 2013
Filed:
May. 25, 2007
Applicants:
Patrick Notte, Wavre, BE;
Albert Devaux, Mont-Saint-Guiber, BE;
Inventors:
Patrick Notte, Wavre, BE;
Albert Devaux, Mont-Saint-Guiber, BE;
Assignee:
Dequest AG, Zug, CH;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 37/06 (2006.01); E21B 43/22 (2006.01); C09K 8/528 (2006.01);
U.S. Cl.
CPC ...
Abstract
Novel aminoacid alkylphosphonic acid compounds are disclosed. These compounds can be used in multiple applications, in particular in a scale inhibitor functionality in aqueous systems, including in marine oil recovery.