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:
Feb. 01, 2022
Filed:
Oct. 15, 2019
Applicant:
Arcelormittal, Luxembourg, LU;
Inventors:
Assignee:
ARCELORMITTAL, Luxembourg, LU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 39/00 (2006.01); C23C 2/06 (2006.01); C23C 2/26 (2006.01); C23C 22/05 (2006.01); C23F 11/14 (2006.01); C25D 3/22 (2006.01); C25D 5/48 (2006.01); C23C 22/78 (2006.01);
U.S. Cl.
CPC ...
C23C 2/06 (2013.01); C23C 2/26 (2013.01); C23C 22/05 (2013.01); C23F 11/14 (2013.01); C23F 11/144 (2013.01); C25D 3/22 (2013.01); C25D 5/48 (2013.01); C23C 22/78 (2013.01); Y10T 428/12556 (2015.01);
Abstract
A coated metal sheet is provided. The coated metal sheet includes a steel substrate, a metal coating on at least one face of the steel substrate, the metal coating comprising at least 40% by weight of zinc; and a layer coating an outer surface of the metal coating, the layer including an amino acid in a neutral or salt form, the amino acid being selected from among alanine, arginine, aspartic acid, cysteine, glutamine, lysine, methionine, proline, serine, threonine, or of a mixture thereof, the amount of said amino acid or of said mixture being from 0.1 to 200 mg/m, and optionally a base or a mixture of bases, or an acid or a mixture of acids.