Patents by Inventor Stephen Charles Grocott

Stephen Charles Grocott 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).

  • Leaching copper-containing ores
    Patent number: 10563287
    Abstract: A method of leaching copper-containing ores, such as chalcopyrite ores, with a leach liquor in the presence of silver and an activation agent that activates silver whereby the silver enhances copper extraction from copper ores.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: February 18, 2020
    Assignee: Technological Resources Pty. Limited
    Inventors: Ralph Peter Hackl, Paul Leslie Brown, Stephen Charles Grocott, Daniel Arthur Kittelty
  • Heap leaching
    Patent number: 10526685
    Abstract: A method of leaching chalcopyrite ores includes the steps of forming agglomerates of fragments of chalcopyrite ores and silver and leaching the agglomerates with suitable leach liquor.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: January 7, 2020
    Assignee: Technological Resources Pty. Limited
    Inventors: Paul Leslie Brown, Ralph Peter Hackl, Stephen Charles Grocott
  • Heap Leaching
    Publication number: 20190382869
    Abstract: A method of leaching chalcopyrite ores includes the steps of forming agglomerates of fragments of chalcopyrite ores and silver and leaching the agglomerates with suitable leach liquor.
    Type: Application
    Filed: October 28, 2016
    Publication date: December 19, 2019
    Inventors: Paul Leslie Brown, Ralph Peter Hackl, Stephen Charles Grocott
  • Leaching Copper-Containing Ores
    Publication number: 20190127822
    Abstract: A method of leaching copper-containing ores, such as chalcopyrite ores, with a leach liquor in the presence of silver and an activation agent that activates silver whereby the silver enhances copper extraction from copper ores.
    Type: Application
    Filed: December 21, 2018
    Publication date: May 2, 2019
    Inventors: Ralph Peter Hackl, Paul Leslie Brown, Stephen Charles Grocott, Daniel Arthur Kittelty
  • Heap Leaching
    Publication number: 20190055624
    Abstract: A method of leaching chalcopyrite ores includes the steps of forming agglomerates of fragments of chalcopyrite ores and silver and leaching the agglomerates with suitable leach liquor.
    Type: Application
    Filed: October 8, 2018
    Publication date: February 21, 2019
    Inventors: Paul Leslie Brown, Ralph Peter Hackl, Stephen Charles Grocott