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:
May. 22, 2007
Filed:
Apr. 28, 2005
Valérie Sauvant-moynot, Lyons, FR;
Sébastien Duval, Evron, FR;
Serge Gonzalez, Decines, FR;
Jacques Vallet, Lyons, FR;
Jacky Grenier, Vignieu, FR;
Valérie Sauvant-Moynot, Lyons, FR;
Sébastien Duval, Evron, FR;
Serge Gonzalez, Decines, FR;
Jacques Vallet, Lyons, FR;
Jacky Grenier, Vignieu, FR;
Institut Francais du Petrole, Rueil Malmaison Cedex, FR;
Abstract
The invention concerns a structure comprising at least one metallic surface which undergoes cathodic protection and a protective coating for said surface, said coating comprising a polymer including micro-capsules containing compounds sensitive to the electric field generated by the cathodic protection and capable of reacting in an alkaline medium to form a protective layer on the surface of the structure when it is in direct contact with a corrosive medium. The invention also concerns the coating associated with said structure.