Patents by Inventor Andreas Heinz Kirchhof

Andreas Heinz Kirchhof 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).

  • Electrolyte composition and method for the deposition of a zinc-nickel alloy layer on a cast iron or steel substrate
    Patent number: 8435398
    Abstract: The present invention relates to an electrolyte composition as well as a method for the deposition of zinc-nickel alloy layers on substrates, in particular cast iron or steel substrates. The electrolyte compositions according to the invention comprise aminoacetic acid. The alloy layers deposited from the electrolyte compositions according to the invention are corrosion resistant and bright and nearly have no internal tension.
    Type: Grant
    Filed: July 13, 2007
    Date of Patent: May 7, 2013
    Assignee: Enthone Inc.
    Inventors: Dieter Gollan, Gerard Patron, Thomas Helden, Andreas Heinz Kirchhof
  • Electrolyte Composition and Method for the Deposition of a Zinc-Nickel Alloy Layer on a Cast Iron Or Steel Substrate
    Publication number: 20080110762
    Abstract: The present invention relates to an electrolyte composition as well as a method for the deposition of zinc-nickel alloy layers on substrates, in particular cast iron or steel substrates. The electrolyte compositions according to the invention comprise aminoacetic acid. The alloy layers deposited from the electrolyte compositions according to the invention are corrosion resistant and bright and nearly have no internal tension.
    Type: Application
    Filed: July 13, 2007
    Publication date: May 15, 2008
    Applicant: Enthone Inc.
    Inventors: Dieter Gollan, Gerard Patron, Thomas Helden, Andreas Heinz Kirchhof