Patents by Inventor Rudolf Reitzenstein

Rudolf Reitzenstein has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Surface pretreatment of steel prior to enameling
    Patent number: 3956536
    Abstract: A method for the surface treatment of steel, preferably non-decarburized steel, capable of being enameled comprises the steps of degreasing the metal surface; optionally descaling the metal surface in an acid bath; treating the metal surface with an aqueous solution containing from 0.1% to 5% by weight of at least one complex former which prevents the precipitation of heavy metal cations at the pH employed; intensively pickling the metal surface; and nickelplating the metal surface.
    Type: Grant
    Filed: November 25, 1974
    Date of Patent: May 11, 1976
    Assignee: Henkel & Cie G.m.b.H.
    Inventors: Rudolf Schoenemann, Rudolf Reitzenstein