Patents Assigned to Establecimientos Industrales Quimicos Oxiquim S.A.
  • Process of froth flotation using a methylene bisxanthate as a collector reagent
    Patent number: 4886595
    Abstract: A process for froth flotation for the recovery of sulfide minerals, or sulfidized oxide minerals, from their ores utilizing a methylene bisxanthate as a collector reagent, either alone or in combination with other known collector reagents in the froth flotation of an aqueous pulp of such ores.
    Type: Grant
    Filed: April 28, 1989
    Date of Patent: December 12, 1989
    Assignee: Establecimientos Industrales Quimicos Oxiquim S.A.
    Inventors: Eugenio A. Saphores Wiedmaier, Arturo G. Gleisner Klempau, Juan C. Vega de Kuyper, Wladimir A. Mardones Parra