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:
Jul. 07, 2020
Filed:
Jan. 10, 2012
Daniel Chaleix, Verny, FR;
Christian Allely, Metz, FR;
Maxime Monnoyer, Audun le Roman, FR;
Pascale Feltin, Saint Privat la Montagne, FR;
Daniel Chaleix, Verny, FR;
Christian Allely, Metz, FR;
Maxime Monnoyer, Audun le Roman, FR;
Pascale Feltin, Saint Privat la Montagne, FR;
ARCELORMITTAL INVESTIGACIÓN Y DESARROLLO, S.L., Sestao Bizkaia, ES;
Abstract
The present invention provides an aqueous treatment solution containing sulfate ions SOin a concentration greater than or equal to 0.01 mol/l, to treat sheet metal including a steel substrate coated on at least one face with a coating including at least zinc and magnesium to reduce blackening or tarnishing of the sheet metal during storage. The present invention also provides a sheet metal treated with a solution of this type.