Patents by Inventor Daniel Feliks Raphael Domanski

Daniel Feliks Raphael Domanski 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 FOR CARBON-CATALYSED THIOSULFATE LEACHING OF GOLD-BEARING MATERIALS
    Publication number: 20230313336
    Abstract: The present disclosure is directed to a gold recovery process in which activated carbon or another carbon-based material is used to accelerate thiosulfate leaching of gold from a gold-bearing material.
    Type: Application
    Filed: March 16, 2023
    Publication date: October 5, 2023
    Inventors: Oscar German Olvera Olmedo, Daniel Feliks Raphael Domanski
  • Method for carbon-catalysed thiosulfate leaching of gold-bearing materials
    Patent number: 11639540
    Abstract: The present disclosure is directed to a gold recovery process in which activated carbon or another carbon-based material is used to accelerate thiosulfate leaching of gold from a gold-bearing material. In some embodiments, the gold recovery process comprises providing particulate activated carbon or another carbon-based material, providing a precious metal-bearing material, contacting the precious metal-bearing material with the particulate carbon-based material, thiosulfate, an anion exchange resin, and an oxidant to form a slurry comprising a slurried precious metal-bearing material, and leaching a precious metal from the slurried precious metal-bearing material.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: May 2, 2023
    Assignee: BARRICK GOLD CORPORATION
    Inventors: Oscar German Olvera Olmedo, Daniel Feliks Raphael Domanski
  • METHOD FOR CARBON-CATALYSED THIOSULFATE LEACHING OF GOLD-BEARING MATERIALS
    Publication number: 20200232065
    Abstract: The present disclosure is directed to a gold recovery process in which activated carbon or another carbon-based material is used to accelerate thiosulfate leaching of gold from a gold-bearing material.
    Type: Application
    Filed: January 21, 2020
    Publication date: July 23, 2020
    Inventors: Oscar German Olvera Olmedo, Daniel Feliks Raphael Domanski