Patents Assigned to Amchem Corporation
  • Persulfate activated autodepositing composition
    Patent number: 4994521
    Abstract: An autodepositing coating composition for coating metallic surfaces comprising resin, persulfate, and optionally, fluoride, and having a pH of at least about 6.
    Type: Grant
    Filed: July 18, 1988
    Date of Patent: February 19, 1991
    Assignee: Amchem Corporation
    Inventor: Ronald W. Broadbent