Patents by Inventor Alireza Rabieh

Alireza Rabieh 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).

  • Alkaline Oxidation Process and Device for Treating Refractory Sulfide Ore, in Particular Refractory Gold Ore
    Publication number: 20230128925
    Abstract: Alkaline oxidation process for treating refractory sulfide ore or concentrate particles enriched in a metal to be recovered comprising stages in which refractory ore or concentrate particles are surface-oxidized in an alkaline oxidation step in alkaline liquid phase with calcium hydroxide forming an alkaline slurry, which slurry is thereafter mechanically activated to remove passivating coatings from the surface oxidized refractory ore particles.
    Type: Application
    Filed: July 16, 2021
    Publication date: April 27, 2023
    Applicant: S.A. Lhoist Recherche et Developpement
    Inventors: Chris Du Plessis, Hugues Lambert, Alireza Rabieh, Jacobus Johannes Eksteen