Patents Assigned to MOLIBDENOS Y METALES S.A.
  • Process for the selective removal of copper compounds and other impurities with respect to molybdenum and rhenium, from molybdenite concentrates
    Patent number: 11377365
    Abstract: Disclosed is a process for the selective removal of copper compounds, and other impurities with respect to molybdenum and rhenium, from concentrates of molybdenite (MoS2) with a copper content that is higher than 0.5% in dry weight.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: July 5, 2022
    Assignee: MOLIBDENOS Y METALES S.A.
    Inventors: Manuel Enrique Guzman Manzo, John Patrick Graell Moore
  • Method for removing arsenic from materials containing same
    Patent number: 10865461
    Abstract: Disclosed is a method for the removal of arsenic from materials containing a high arsenic content, or materials containing a high content of arsenic and selenium.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: December 15, 2020
    Assignee: MOLIBDENOS Y METALES S.A.
    Inventors: John Patrick Graell Moore, Manuel Enrique Guzman Manzo, Cristian Eduardo Pizarro Herrera, Christian Ignacio Soto Infante