Patents by Inventor Hans D. Kilthau

Hans D. Kilthau 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).

  • Method of sensitizing copper surfaces with sensitizing solution containing stannous ions, precious metal ions and EDTA
    Patent number: 4153746
    Abstract: A method of sensitizing surfaces which at least include areas of copper for subsequent electroless plating wherein the surface to be sensitized is processed with a sensitizing bath which includes precious metal ions, stannous ions in stoichiometric surplus, a haloid acid, and a complex forming compound for copper ions.
    Type: Grant
    Filed: December 16, 1977
    Date of Patent: May 8, 1979
    Assignee: International Business Machines Corporation
    Inventor: Hans D. Kilthau