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. 10, 2007
Filed:
Mar. 13, 2003
Applicants:
Corrado Mojana, Valmadrera, IT;
Ulderico Nevosi, Milan, IT;
Inventors:
Corrado Mojana, Valmadrera, IT;
Ulderico Nevosi, Milan, IT;
Assignee:
De Nora Elletrodi S.p.A., , IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B 11/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns an anode for gas evolution in electrochemical applications comprising a titanium or other valve metal substrate characterized by a surface with a low average roughness, having a profile typical of a localized attack on the crystal grain boundary. The invention further describes a method for preparing the anodic substrate of the invention comprising a controlled etching in a sulfuric acid solution.