Patents by Inventor Elsayed Abdelrady Oraby

Elsayed Abdelrady Oraby 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).

  • Publication number: 20240002972
    Abstract: A process for recovery of one or more target metals, selected from precious metals and chalcophile metals as respectively herein defined, from materials containing precious and/or chalcophile metal/s, said process including: (i) leaching the metal containing material with an aqueous solution containing: a “metal liberator” comprising an amino acid; and a “metal retainer” comprising one or more of ammonia, ammonium salts, carboxylic acids, carboxylic acid salts, dicarboxylic acids, dicarboxylic acid salts, hydroxy-carboxylic acids, hydroxy-carboxylic acid salts, ethylene diamine tetra-acetic acid (EDTA) and EDTA salts, to produce a leachate containing the target metal/s; and (ii) extracting the metal from the leachate.
    Type: Application
    Filed: November 18, 2021
    Publication date: January 4, 2024
    Inventors: Elsayed Abdelrady Oraby ABDALLA, Jacobus Johannes EKSTEEN
  • Publication number: 20230250510
    Abstract: A process for recovery of one or more elements, selected from precious metals and chalcophile metals, as herein defined, from materials containing precious and/or chalcophile metal/s, said process including: (i) contacting the material with an alkaline solution containing a lixiviant comprising an amino acid, or derivative thereof, and an alkali stable transition metal complex in order to form a leachate containing the precious metal and/or chalcophile metal; and (ii) recovering the precious metal and/or chalcophile metal from the leachate.
    Type: Application
    Filed: April 18, 2023
    Publication date: August 10, 2023
    Inventors: Elsayed Abdelrady Oraby, Jacobus Johannes Eksteen
  • Patent number: 11643705
    Abstract: A process for recovery of one or more elements, selected from precious metals and chalcophile metals, as herein defined, from materials containing precious and/or chalcophile metal/s, said process including: (i) contacting the material with an alkaline solution containing a lixiviant comprising an amino acid, or derivative thereof, and an alkali stable transition metal complex in order to form a leachate containing the precious metal and/or chalcophile metal; and (ii) recovering the precious metal and/or chalcophile metal from the leachate.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: May 9, 2023
    Assignee: Mining and Process Solutions Pty Ltd
    Inventors: Elsayed Abdelrady Oraby, Jacobus Johannes Eksteen
  • Publication number: 20200224290
    Abstract: A process for recovery of one or more elements, selected from precious metals and chalcophile metals as herein defined, from materials containing precious and/or chalcophile metal/s, said process including: (i) a leaching step comprising contacting the material with an acidic solution containing a lixiviant comprising an aqueous amino acid-thiourea compound formed from an amino acid (as herein defined) and thiourea (as herein defined), in order to form a leachate containing the precious metal and/or chalcophile metal; and (ii) a recovery step comprising recovering the precious metal and/or chalcophile metal from the leachate.
    Type: Application
    Filed: September 27, 2018
    Publication date: July 16, 2020
    Inventors: Elsayed Abdelrady Oraby, Jacobus Johannes Eksteen
  • Publication number: 20200172994
    Abstract: A process for recovery of one or more elements, selected from precious metals and chalcophile metals, as herein defined, from materials containing precious and/or chalcophile metal/s, said process including: (i) contacting the material with an alkaline solution containing a lixiviant comprising an amino acid, or derivative thereof, and an alkali stable transition metal complex in order to form a leachate containing the precious metal and/or chalcophile metal; and (ii) recovering the precious metal and/or chalcophile metal from the leachate.
    Type: Application
    Filed: August 13, 2018
    Publication date: June 4, 2020
    Inventors: Elsayed Abdelrady Oraby, Jacobus Johannes Eksteen
  • Patent number: 10480046
    Abstract: A process for recovery of metal comprising copper and/or a precious metal from a metal containing material, including the steps of: leaching the metal containing material with an alkaline lixiviant and an amino acid or derivative thereof in order to produce a metal containing leachate; and extracting the metal from the leachate.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: November 19, 2019
    Assignee: CURTIN UNIVERSITY OF TECHNOLOGY
    Inventors: Jacobus Johannes Eksteen, Elsayed Abdelrady Oraby
  • Publication number: 20160194734
    Abstract: A process for recovery of metal comprising copper and/or a precious metal from a metal containing material, including the steps of: leaching the metal containing material with an alkaline lixiviant and an amino acid or derivative thereof in order to produce a metal containing leachate; and extracting the metal from the leachate.
    Type: Application
    Filed: September 4, 2014
    Publication date: July 7, 2016
    Applicant: CURTIN UNIVERSITY OF TECHNOLOGY
    Inventors: Jacobus Johannes Eksteen, Elsayed Abdelrady Oraby