Patents by Inventor Thomas FOELICHER

Thomas FOELICHER 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 obtaining a 18 caracts 3N gold alloy
    Patent number: 10053789
    Abstract: A method for the galvanoplastic deposition of a gold alloy on an electrode dipped into a bath including gold metal, organometallic compounds, a wetting agent, a sequestering agent and free cyanide, the alloy metals being copper metal and silver metal allowing a mirror-bright yellow gold alloy to be deposited on the electrode characterized in that the bath respects a proportion of 21.53% gold, 78.31% copper and 0.16% silver.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: August 21, 2018
    Assignee: The Swatch Group Research and Development Ltd
    Inventors: Thomas Foelicher, Christophe Henzirohs, Guido Plankert
  • METHOD OF OBTAINING A 18 CARACTS 3N GOLD ALLOY
    Publication number: 20120247968
    Abstract: The invention relates to a method for the galvanoplastic deposition of a gold alloy on an electrode dipped into a bath including gold metal, organometallic compounds, a wetting agent, a sequestering agent and free cyanide, the alloy metals being copper metal and silver metal allowing a mirror-bright yellow gold alloy to be deposited on the electrode characterized in that the bath respects a proportion of 21.53% gold, 78.31% copper and 0.16% silver. The invention concerns the field of galvanic depositions.
    Type: Application
    Filed: March 22, 2012
    Publication date: October 4, 2012
    Applicant: The Swatch Group Research and Development Ltd
    Inventors: Thomas FOELICHER, Christophe HENZIROHS, Guido PLANKERT