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. 14, 2019
Filed:
Dec. 16, 2016
Henkel Ag & Co. Kgaa, Duesseldorf, DE;
Paolo Giordani, Crema, IT;
Mauro Rigamonti, Opera, IT;
Reinhard Seidel, Windeck, DE;
Roberto Galli, Spino d'Adda, IT;
Luigi Dante Madonini, Crema, IT;
Hans Clodt, Essen, DE;
Henkel AG & Co. KGaA, Duesseldorf, DE;
Abstract
The present invention relates to the use of an alkaline, aqueous coating composition for coating of zinc or zinc alloy coated steel substrates, comprising one or more alkaline sulfates, and one or more alkaline carbonates, wherein the pH of the composition ranges from 9-12. The present invention also defines a method for the non-reactive coating of zinc or zinc alloy coated steel substrates by use of said compositions and further relates to the application of said method as a surrogate for pre-phosphating of zinc or zinc alloy coated steel substrates in industrial applications.