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:
May. 24, 2011
Filed:
Mar. 31, 2006
Mats Eriksson, Ytterby, SE;
Thomas Wendel, Schwalbach, DE;
Hardy Wietzoreck, Frankfurt am Main, DE;
Chemetall GmbH, Frankfurt am Main, DE;
Abstract
A method for coating of a metallic coil or of metallic sheets with an aqueous coating composition comprising at least one compound selected from the group consisting of zirconium compounds, titanium compounds and hafnium compounds whereby the such treated metallic coil or metallic sheets is/are shaped by cold extruding, by deep-drawing, by drawing, by necking, by punching, by wall ironing or by any combination of such process steps to a hollow article like a container or a casing and is then cleaned and optionally further coated either by chemical pre-treatment and then by coating with ink or paint or both or by chemical treatment.