Patents Assigned to Kilene Corp.
  • Method for detersifying and oxide coating removal
    Patent number: 4264418
    Abstract: A method and composition is disclosed for removing oxide film from metals and alloys and for detersification of objects. The composition is at least a 1% aqueous solution of gluconic acid or its alkali metal including ammonium salts, citric acid or its alkali metal including ammonium salts, and tartaric acid or its alkali metal including ammonium salts, at least one of these materials being acid in sufficient strength to provide a pH of 4 or less. Also, preferably a non-ionic surfactant is included.
    Type: Grant
    Filed: September 19, 1978
    Date of Patent: April 28, 1981
    Assignee: Kilene Corp.
    Inventors: William G. Wood, John F. Pilznienski, James C. Malloy