Patents Assigned to Amchen Products, Inc.
  • Process and sealant compositions for sealing anodized aluminum
    Patent number: 4647347
    Abstract: Processes, bath compositions, concentrates for preparing the bath compositions, and a replenisher useful in the sealing of anodized aluminum and anodized aluminum alloys. The bath compositions contain nickel ion, fluoride ion, ammonium ion, and acetate ion.
    Type: Grant
    Filed: July 12, 1985
    Date of Patent: March 3, 1987
    Assignee: Amchen Products, Inc.
    Inventors: Glenn C. Schoener, Susan V. Hess, Jayne E. Potcner