Patents Assigned to ANOX B.V.
  • Publication number: 20100143622
    Abstract: The present invention relates to a process for providing an aluminium article with a copper coating, comprising a first step of anodizing said aluminium article to produce an anodic oxide layer on the surface thereof; and a second step of colouring the anodized aluminium surface in an electrolytic bath containing a copper salt by subjecting the aluminium surface to an asymmetrical voltage controlled alternating block current having a positive phase and a negative phase, such that a metallic copper coloured coating is formed. The invention also relates to aluminium articles, provided with a copper coating, obtainable by said process.
    Type: Application
    Filed: November 23, 2006
    Publication date: June 10, 2010
    Applicant: ANOX B.V.
    Inventor: Hendrik Adolf Schreuder