Patents by Inventor Francisco SÁNCHEZ RUÍZ

Francisco SÁNCHEZ RUÍZ 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 extracting metals from polymetallic sulphide ores or concentrates
    Patent number: 11560609
    Abstract: A method of extracting metals from polymetallic sulphide ores or concentrates comprising at least Cu, Zn, Pb and Ag, comprising a first step of atmospheric leaching in sulphate medium in the presence of recycled silver for extracting Cu and Zn and a second step of atmospheric leaching in chloride medium for extracting Pb and Ag.
    Type: Grant
    Filed: May 17, 2020
    Date of Patent: January 24, 2023
    Assignee: COBRE LAS CRUCES, S.A.U.
    Inventors: Carlos Frías Gómez, Francisco Sánchez Ruíz, Jorge Antonio Blanco Avilés
  • METHOD OF EXTRACTING METALS FROM POLYMETALLIC SULPHIDE ORES OR CONCENTRATES
    Publication number: 20200362435
    Abstract: A method of extracting metals from polymetallic sulphide ores or concentrates comprising at least Cu, Zn, Pb and Ag, comprising a first step of atmospheric leaching in sulphate medium in the presence of recycled silver for extracting Cu and Zn and a second step of atmospheric leaching in chloride medium for extracting Pb and Ag.
    Type: Application
    Filed: May 17, 2020
    Publication date: November 19, 2020
    Inventors: Carlos FRÍAS GÓMEZ, Francisco SÁNCHEZ RUÍZ, Jorge Antonio BLANCO AVILÉS