Patent ID: 7468123
Filing Date: 2008-12-23
Classification: C25D

Abstract:
1. A method for electrolytic coating of a material with an aluminum, magnesium or alloys of aluminum and magnesium, said method comprising pre-treating an aluminum/magnesium alloy or zinc/magnesium alloy material by immersing in an electrolytic bath consisting of an electrolyte and a halogen-free, aprotic solvent, wherein said material is electrically connected as an anode therein, and anodically charging the material, and performing the electrolytic coating in the same electrolytic bath immediately thereafter by reversing polarity of the material, the electrolytic bath consisting of organoaluminum compounds of general formulas (I) and (II) as the electrolyte, wherein n is equal to 0 or 1, M is sodium or potassium, and R