Patents by Inventor Paul BOSHOFF

Paul BOSHOFF 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 for recovering an acid or base
    Patent number: 11377713
    Abstract: Disclosed herein is a method for recovering an acid or a base during a metal extraction process. The method comprises contacting a feed stream comprising the acid or base and the metal with an ultrafiltration membrane to produce an ultrafiltration retentate and an ultrafiltration permeate, and contacting the ultrafiltration permeate with a nanofiltration membrane. The nanofiltration retentate produced comprises a majority of the metal from the feed stream, and the nanofiltration permeate produced comprises a majority of the acid or base from the feed stream. Also disclosed herein is a recovery apparatus for recovering an acid or a base during a metal extraction process.
    Type: Grant
    Filed: September 19, 2020
    Date of Patent: July 5, 2022
    Assignee: Paladin Intellectual Property Pty Ltd
    Inventors: Paul Boshoff, Merrill Ford, Shana McDougall, Mark Peacock
  • Uranium extraction plant, uranium recovery, and acid or base recovery
    Patent number: 11047021
    Abstract: Disclosed herein is apparatus for recovering an acid or a base during a uranium extraction process. The apparatus contacts contacting a feed stream comprising the acid or base and the uranium with an ultrafiltration membrane to produce an ultrafiltration retentate and an ultrafiltration permeate, and contacting the ultrafiltration permeate with a nanofiltration membrane. The nanofiltration retentate produced comprises a majority of the uranium from the feed stream, and the nanofiltration permeate produced comprises a majority of the acid or base from the feed stream.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: June 29, 2021
    Assignee: Paladin Intellectual Property Pty Ltd
    Inventors: Paul Boshoff, Merrill Ford, Shana McDougall, Mark Peacock
  • Method for recovering an acid or base
    Publication number: 20210140013
    Abstract: Disclosed herein is a method for recovering an acid or a base during a metal extraction process. The method comprises contacting a feed stream comprising the acid or base and the metal with an ultrafiltration membrane to produce an ultrafiltration retentate and an ultrafiltration permeate, and contacting the ultrafiltration permeate with a nanofiltration membrane. The nanofiltration retentate produced comprises a majority of the metal from the feed stream, and the nanofiltration permeate produced comprises a majority of the acid or base from the feed stream. Also disclosed herein is a recovery apparatus for recovering an acid or a base during a metal extraction process.
    Type: Application
    Filed: September 19, 2020
    Publication date: May 13, 2021
    Inventors: Paul Boshoff, Merrill FORD, Shana McDougall, Mark Peacock
  • Method for recovering an acid or base
    Publication number: 20170022585
    Abstract: Disclosed herein is a method for recovering an acid or a base during a metal extraction process. The method comprises contacting a feed stream comprising the acid or base and the metal with an ultrafiltration membrane to produce an ultrafiltration retentate and an ultrafiltration permeate, and contacting the ultrafiltration permeate with a nanofiltration membrane. The nanofiltration retentate produced comprises a majority of the metal from the feed stream, and the nanofiltration permeate produced comprises a majority of the acid or base from the feed stream. Also disclosed herein is a recovery apparatus for recovering an acid or a base during a metal extraction process.
    Type: Application
    Filed: April 22, 2014
    Publication date: January 26, 2017
    Inventors: Paul BOSHOFF, Merrill FORD, Shana MCDOUGALL, Mark PEACOCK