Patents Assigned to Metalast International, Inc.
  • Conversion coating and anodizing sealer with no chromium
    Patent number: 8486203
    Abstract: Aqueous acidic coating solutions containing a water soluble divalent zinc compound, a complex fluoride compound, and an organic inhibitor for improving the corrosion resistance and adhesive bonding characteristics of aluminum, aluminum alloys, anodic coatings and sacrificial coatings, are disclosed. Suitable organic inhibitors include oximes, such as salicylaldoxime, and/or quinolines, particularly 8-hydroxyquinoline, and mixtures thereof.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: July 16, 2013
    Assignee: Metalast International, Inc.
    Inventor: Alp Manavbasi