Patent ID: 7820300
Filing Date: 2010-10-26
Classification: C23C,C25D,Y02T,Y10T

Abstract:
1. An article of manufacture made according to a method comprising: A) providing an anodizing solution comprised of water and one or more additional components selected from the group consisting of: B) providing a cathode in contact with said anodizing solution; C) placing a metal article comprising aluminum or aluminum alloy as an anode in said anodizing solution; D) passing a current between the anode and cathode through said anodizing solution for a time effective to form an adherent first protective coating on the surface of the metal article; E) removing the metal article having a first protective coating from the anodizing solution and drying said article; and F) applying one or more layers of coating material to the metal article having a first protective coating, to form a second protective coating layer either different from the first protective coating layer or having the same composition as the first protective coating layer and deposited non-anodically.