Patents by Inventor Gunter Mika

Gunter Mika 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).

  • Bath solution and process for the removal of lead/tim, lead or tin coatings from copper or nickel surfaces
    Patent number: 4919752
    Abstract: The invention relates to a stripping solution for the removal of lead/tin, lead or tin coatings applied to copper or nickel surfaces. The caustic solution consists of nitric acid and contains one or several inhibitor(s) such as block copolymers of propylene oxide and ethylene oxide, or polyethylene glycols, and/or polyols with a molecular weight in excess of 2000.
    Type: Grant
    Filed: November 10, 1988
    Date of Patent: April 24, 1990
    Assignee: Kollmorgen Corporation
    Inventor: Gunter Mika