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:
Oct. 12, 2010
Filed:
Dec. 18, 2006
Applicants:
David Leychkis, Pittsburgh, PA (US);
John Zervoudis, Kilbride, CA;
Inventors:
David Leychkis, Pittsburgh, PA (US);
John Zervoudis, Kilbride, CA;
Assignee:
Teck Metals Ltd., Vancouver, BC, CA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 35/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A flux for use in a hot dip galvanization process has an acidic component so that the flux has a pH of about 1.5 or less. The flux also includes an alkali metal chloride and a nonionic surfactant containing polyoxyethylenated straight-chain alcohols with a hydrophile-lipophile balance (HLB) of less than 11. Depending on the particular application, the flux also includes other components, such as ferric chloride, an inhibitor containing an amino derivative and bismuth oxide.