Patents by Inventor Giuseppe Aliprandini

Giuseppe Aliprandini 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 yellow gold alloy deposition by galvanoplasty without using toxic metals or metalloids
    Patent number: 10619260
    Abstract: A galvanic bath, containing: gold metal in the form of alkaline aurocyanide; organometallic components; a wetting agent; a complexing agent; free cyanide; copper metal in the form of copper II cyanide and potassium; and indium metal in the form of a complex indium metal, where the galvanic bath does not contain cadmium and zinc, and where the galvanic bath deposits a yellow gold alloy comprising gold, copper, and indium as main components.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: April 14, 2020
    Assignees: The Swatch Group Research and Development Ltd., G. Aliprandini
    Inventors: Giuseppe Aliprandini, Michel Caillaud
  • METHOD OF OBTAINING A YELLOW GOLD ALLOY DEPOSITION BY GALVANOPLASTY WITHOUT USING TOXIC METALS OR METALLOIDS
    Publication number: 20190153608
    Abstract: A galvanic bath, containing: gold metal in the form of alkaline aurocyanide; organometallic components; a wetting agent; a complexing agent; free cyanide; copper metal in the form of copper II cyanide and potassium; and indium metal in the form of a complex indium metal, where the galvanic bath does not contain cadmium and zinc, and where the galvanic bath deposits a yellow gold alloy comprising gold, copper, and indium as main components.
    Type: Application
    Filed: January 28, 2019
    Publication date: May 23, 2019
    Applicants: The Swatch Group Research and Development Ltd.
    Inventors: Giuseppe ALIPRANDINI, Michel CAILLAUD
  • Method of obtaining a yellow gold alloy deposition by galvanoplasty without using toxic metals or metalloids
    Patent number: 10233555
    Abstract: The invention relates to an electrolytic deposition in the form of a gold alloy with a thickness of between 1 and 800 microns and which includes copper. According to the invention, the deposition includes indium as the third main compound. The invention concerns the field of electroplating methods.
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: March 19, 2019
    Assignees: THE SWATCH GROUP RESEARCH AND DEVELOPMENT LTD.
    Inventors: Giuseppe Aliprandini, Michel Caillaud
  • Method of obtaining a yellow gold alloy deposition by galvanoplasty without using toxic metals or metalloids
    Patent number: 9683303
    Abstract: The invention relates to a make-up solution for a galvanic bath comprising organometallic components, a wetting agent, a complexing agent and free cyanide, wherein the make-up solution further comprises copper in the form of copper II cyanide and potassium, and complex indium allowing, after addition of alkaline aurocyanide, to galvanically depositing a gold alloy.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: June 20, 2017
    Assignees: The Swatch Group Research and Development Ltd, G. Aliprandini
    Inventors: Giuseppe Aliprandini, Michel Caillaud
  • METHOD OF OBTAINING A YELLOW GOLD ALLOY DEPOSITION BY GALVANOPLASTY WITHOUT USING TOXIC METALS OR METALLOIDS
    Publication number: 20140299481
    Abstract: The invention relates to a make-up solution for a galvanic bath comprising organometallic components, a wetting agent, a complexing agent and free cyanide, wherein the make-up solution further comprises copper in the form of copper II cyanide and potassium, and complex indium allowing, after addition of alkaline aurocyanide, to galvanically depositing a gold alloy.
    Type: Application
    Filed: April 3, 2014
    Publication date: October 9, 2014
    Applicant: The Swatch Group Research and Development Ltd
    Inventors: Giuseppe Aliprandini, Michel Caillaud
  • METHOD OF OBTAINING A YELLOW GOLD ALLOY DEPOSITION BY GALVANOPLASTY WITHOUT USING TOXIC METALS OR METALLOIDS
    Publication number: 20100206739
    Abstract: The invention relates to an electrolytic deposition in the form of a gold alloy with a thickness of between 1 and 800 microns and which includes copper. According to the invention, the deposition includes indium as the third main compound. The invention concerns the field of electroplating methods.
    Type: Application
    Filed: September 11, 2008
    Publication date: August 19, 2010
    Applicants: The Swatch Group Research and Development Ltd., G. Aliprandini
    Inventors: Giuseppe Aliprandini, Michel Caillaud