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:
Aug. 31, 2021
Filed:
Oct. 13, 2017
Henkel Ag & Co. Kgaa, Duesseldorf, DE;
Donald Robb Vonk, Clinton Township, MI (US);
Thomas Sullivan Smith, II, Novi, MI (US);
Alvaro Bobadilla, Royal Oak, MI (US);
Henkel AG & Co. KGaA, Duesseldorf, DE;
Abstract
Anti-corrosion metal pretreatment compositions comprising a Group IVB metal, a Group IB metal and polyamidoamine polymers; replenisher compositions for the metal pretreatment compositions; methods of making the metal pretreatment compositions; methods of forming an anti-corrosion Group IVB oxide coating on at least one metal substrate surface by contacting the surface with the metal pretreatment composition; and coated metal substrates having anti-corrosion coatings deposited on the metal substrates from chrome VI free, anti-corrosion metal pretreatment compositions having enhanced corrosion resistance of the Group IVB metal oxide coatings and adhesion of the anti-corrosion and primer coating layers to metal substrates.