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:
Apr. 14, 1992
Filed:
Jan. 23, 1991
Applicant:
Inventor:
Gian L Mussinelli, Lomazzo, IT;
Assignee:
Oronzio de Nora S.A., Lugano, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
204147 ; 204196 ; 204284 ; 2042 / ;
Abstract
A method of forming a grid for cathodically protecting a steel rebar reinforced concrete structure comprising forming on the surface of the concrete structure rows of a plurality of valve metal strips with voids, the said strips having an electrocatalytic surface and at least 200 nodes per square meter of concrete surface, providing valve metal strips optionally without voids at spaced intervals connected to the rows of strips with voids to form a grid electrode and covering the grid electrode with an ion conductive cementitious overlay and the structure prepared thereby.