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:
Jan. 09, 2007
Filed:
Nov. 20, 2002
Applicants:
Michael Gilles, Olen, BE;
David Leychkis, Pittsburg, PA (US);
Yume Grot, Pittsburg, PA (US);
Roger Pankert, Olen, BE;
Inventors:
Michael Gilles, Olen, BE;
David Leychkis, Pittsburg, PA (US);
Yume Grot, Pittsburg, PA (US);
Roger Pankert, Olen, BE;
Assignee:
Umicore, , BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D 1/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process is disclosed for the preparation of a steel surface for single-dip aluminium-rich zinc galvanizing. The process steps comprise: cleaning the surface so as to obtain less than 0.6 μg/cmresidual dirt; pickling the surface; applying a protective layer to the surface by immersion in a flux solution comprising bismuth. This invention also relates to a continuous steel product coated with a layer of metallic bismuth.