Patents by Inventor Zihe REN

Zihe REN 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).

  • PROCESS FOR LEACHING METAL SULFIDES WITH REAGENTS HAVING THIOCARBONYL FUNCTIONAL GROUPS
    Publication number: 20240141456
    Abstract: This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, wherein the concentration of reagent in the acidic sulfate solution is sufficient to increase the rate of metal ion extraction relative to an acidic sulfate solution that does not contain the reagent, to produce a pregnant solution containing the metal ions.
    Type: Application
    Filed: December 28, 2023
    Publication date: May 2, 2024
    Applicant: Jetti Resources, LLC
    Inventors: David Dixon, Oscar OLVERA OLMEDO, Edouard ASSELIN, Ahmad GHAHREMAN, Zihe REN
  • Process for leaching metal sulfides with reagents having thiocarbonyl functional groups
    Patent number: 11884993
    Abstract: This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, wherein the concentration of reagent in the acidic sulfate solution is sufficient to increase the rate of metal ion extraction relative to an acidic sulfate solution that does not contain the reagent, to produce a pregnant solution containing the metal ions.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: January 30, 2024
    Assignee: Jetti Resources, LLC
    Inventors: David Dixon, Oscar Olvera Olmedo, Edouard Asselin, Ahmad Ghahreman, Zihe Ren
  • Process for leaching metal sulfides with reagents having thiocarbonyl functional groups
    Patent number: 11859263
    Abstract: This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, wherein the concentration of reagent in the acidic sulfate solution is sufficient to increase the rate of metal ion extraction relative to an acidic sulfate solution that does not contain the reagent, to produce a pregnant solution containing the metal ions.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: January 2, 2024
    Assignee: Jetti Resources, LLC
    Inventors: David Dixon, Edouard Asselin, Zihe Ren, Nelson Mora Huertas
  • EXTRACTION OF BASE METALS USING CARBONACEOUS MATTER AND A THIOCARBONYL FUNCTIONAL GROUP REAGENT
    Publication number: 20230257852
    Abstract: The present disclosure relates to the use of carbonaceous matter and a reagent comprising a thiocarbonyl functional group, for example, in a method for extracting a base metal such as copper from a material comprising the base metal. Such methods can comprise contacting the material under acidic conditions with the carbonaceous matter and the reagent comprising the thiocarbonyl functional group; and optionally recovering the base metal.
    Type: Application
    Filed: September 18, 2021
    Publication date: August 17, 2023
    Applicant: Jetti Resources, LLC
    Inventors: Zihe Ren, Nelson Mora Huertas, David Dixon, Edouard Asselin
  • EXTRACTING BASE METALS USING A WETTING AGENT AND A THIOCARBONYL FUNCTIONAL GROUP REAGENT
    Publication number: 20230227936
    Abstract: The present disclosure relates to the use of a wetting agent such as a non-ionic wetting agent and a reagent comprising a thiocarbonyl functional group, for example, in a method/process or use for extracting a base metal such as copper from a material comprising the base metal. Such methods/processes can comprise contacting the material under acidic conditions with the wetting agent and the reagent comprising the thiocarbonyl functional group; and optionally recovering the base metal.
    Type: Application
    Filed: March 17, 2023
    Publication date: July 20, 2023
    Applicant: Jetti Resources, LLC
    Inventors: Zihe Ren, Nelson Mora Huertas, David Dixon, Edouard Asselin
  • Process for Leaching Metal Sulfides with Reagents Having Thiocarbonyl Functional Groups
    Publication number: 20210198767
    Abstract: This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, wherein the concentration of reagent in the acidic sulfate solution is sufficient to increase the rate of metal ion extraction relative to an acidic sulfate solution that does not contain the reagent, to produce a pregnant solution containing the metal ions.
    Type: Application
    Filed: January 4, 2021
    Publication date: July 1, 2021
    Inventors: David DIXON, Oscar OLVERA OLMEDO, Edouard ASSELIN, Ahmad GHAHREMAN, Zihe REN
  • Process for leaching metal sulfides with reagents having thiocarbonyl functional groups
    Patent number: 10961604
    Abstract: This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, wherein the concentration of reagent in the acidic sulfate solution is sufficient to increase the rate of metal ion extraction relative to an acidic sulfate solution that does not contain the reagent, to produce a pregnant solution containing the metal ions.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: March 30, 2021
    Assignee: The University of British Columbia
    Inventors: David Dixon, Edouard Asselin, Ahmad Ghahreman, Zihe Ren
  • Process for leaching metal sulfides with reagents having thiocarbonyl functional groups
    Patent number: 10954583
    Abstract: This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, wherein the concentration of reagent in the acidic sulfate solution is sufficient to increase the rate of metal ion extraction relative to an acidic sulfate solution that does not contain the reagent, to produce a pregnant solution containing the metal ions.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: March 23, 2021
    Assignee: The University of British Columbia
    Inventors: David Dixon, Edouard Asselin, Ahmad Ghahreman, Zihe Ren
  • Process for leaching metal sulfides with reagents having thiocarbonyl functional groups
    Patent number: 10876186
    Abstract: This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, wherein the concentration of reagent in the acidic sulfate solution is sufficient to increase the rate of metal ion extraction relative to an acidic sulfate solution that does not contain the reagent, to produce a pregnant solution containing the metal ions.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: December 29, 2020
    Assignee: The University of British Columbia
    Inventors: David Dixon, Edouard Asselin, Zihe Ren
  • Process for leaching metal sulfides with reagents having thiocarbonyl functional groups
    Patent number: 10876187
    Abstract: This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, wherein the concentration of reagent in the acidic sulfate solution is sufficient to increase the rate of metal ion extraction relative to an acidic sulfate solution that does not contain the reagent, to produce a pregnant solution containing the metal ions.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: December 29, 2020
    Assignee: The University of British Columbia
    Inventors: David Dixon, Edouard Asselin, Zihe Ren
  • Process for leaching metal sulfides with reagents having thiocarbonyl functional groups
    Patent number: 10870903
    Abstract: This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, wherein the concentration of reagent in the acidic sulfate solution is sufficient to increase the rate of metal ion extraction relative to an acidic sulfate solution that does not contain the reagent, to produce a pregnant solution containing the metal ions.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: December 22, 2020
    Assignee: The University of British Columbia
    Inventors: David Dixon, Edouard Asselin, Zihe Ren
  • Process for leaching metal sulfides with reagents having thiocarbonyl functional groups
    Patent number: 10865460
    Abstract: This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, wherein the concentration of reagent in the acidic sulfate solution is sufficient to increase the rate of metal ion extraction relative to an acidic sulfate solution that does not contain the reagent, to produce a pregnant solution containing the metal ions.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: December 15, 2020
    Assignee: The University of British Columbia
    Inventors: David Dixon, Edouard Asselin, Zihe Ren
  • Process for leaching metal sulfides with reagents having thiocarbonyl functional groups
    Patent number: 10781502
    Abstract: This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, wherein the concentration of reagent in the acidic sulfate solution is sufficient to increase the rate of metal ion extraction relative to an acidic sulfate solution that does not contain the reagent, to produce a pregnant solution containing the metal ions.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: September 22, 2020
    Assignee: The University of British Columbia
    Inventors: David Dixon, Oscar Olvera Olmedo, Edouard Asselin, Ahmad Ghahreman, Zihe Ren
  • Process for Leaching Metal Sulfides with Reagents Having Thiocarbonyl Functional Groups
    Publication number: 20200181733
    Abstract: This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, wherein the concentration of reagent in the acidic sulfate solution is sufficient to increase the rate of metal ion extraction relative to an acidic sulfate solution that does not contain the reagent, to produce a pregnant solution containing the metal ions.
    Type: Application
    Filed: January 15, 2020
    Publication date: June 11, 2020
    Inventors: David DIXON, Oscar OLVERA OLMEDO, Edouard ASSELIN, Ahmad GHAHREMAN, Zihe REN
  • Process for Leaching Metal Sulfides with Reagents Having Thiocarbonyl Functional Groups
    Publication number: 20200181736
    Abstract: This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, wherein the concentration of reagent in the acidic sulfate solution is sufficient to increase the rate of metal ion extraction relative to an acidic sulfate solution that does not contain the reagent, to produce a pregnant solution containing the metal ions.
    Type: Application
    Filed: January 21, 2020
    Publication date: June 11, 2020
    Inventors: David DIXON, Oscar OLVERA OLMEDO, Edouard ASSELIN, Ahmad GHAHREMAN, Zihe REN
  • Process for Leaching Metal Sulfides with Reagents Having Thiocarbonyl Functional Groups
    Publication number: 20200181731
    Abstract: This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, wherein the concentration of reagent in the acidic sulfate solution is sufficient to increase the rate of metal ion extraction relative to an acidic sulfate solution that does not contain the reagent, to produce a pregnant solution containing the metal ions.
    Type: Application
    Filed: January 15, 2020
    Publication date: June 11, 2020
    Inventors: David DIXON, Oscar OLVERA OLMEDO, Edouard ASSELIN, Ahmad GHAHREMAN, Zihe REN
  • Process for Leaching Metal Sulfides with Reagents Having Thiocarbonyl Functional Groups
    Publication number: 20200181732
    Abstract: This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, wherein the concentration of reagent in the acidic sulfate solution is sufficient to increase the rate of metal ion extraction relative to an acidic sulfate solution that does not contain the reagent, to produce a pregnant solution containing the metal ions.
    Type: Application
    Filed: January 15, 2020
    Publication date: June 11, 2020
    Inventors: David DIXON, Oscar OLVERA OLMEDO, Edouard ASSELIN, Ahmad GHAHREMAN, Zihe REN
  • Process for Leaching Metal Sulfides with Reagents Having Thiocarbonyl Functional Groups
    Publication number: 20200181734
    Abstract: This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, wherein the concentration of reagent in the acidic sulfate solution is sufficient to increase the rate of metal ion extraction relative to an acidic sulfate solution that does not contain the reagent, to produce a pregnant solution containing the metal ions.
    Type: Application
    Filed: January 15, 2020
    Publication date: June 11, 2020
    Inventors: David DIXON, Oscar OLVERA OLMEDO, Edouard ASSELIN, Ahmad GHAHREMAN, Zihe REN
  • Process for Leaching Metal Sulfides with Reagents Having Thiocarbonyl Functional Groups
    Publication number: 20200181735
    Abstract: This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, wherein the concentration of reagent in the acidic sulfate solution is sufficient to increase the rate of metal ion extraction relative to an acidic sulfate solution that does not contain the reagent, to produce a pregnant solution containing the metal ions.
    Type: Application
    Filed: January 16, 2020
    Publication date: June 11, 2020
    Inventors: David DIXON, Oscar OLVERA OLMEDO, Edouard ASSELIN, Ahmad GHAHREMAN, Zihe REN
  • Process for Leaching Metal Sulfides with Reagents Having Thiocarbonyl Functional Groups
    Publication number: 20200181737
    Abstract: This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, wherein the concentration of reagent in the acidic sulfate solution is sufficient to increase the rate of metal ion extraction relative to an acidic sulfate solution that does not contain the reagent, to produce a pregnant solution containing the metal ions.
    Type: Application
    Filed: January 21, 2020
    Publication date: June 11, 2020
    Inventors: David DIXON, Oscar OLVERA OLMEDO, Edouard ASSELIN, Ahmad GHAHREMAN, Zihe REN