Patents by Inventor Michael Virnig

Michael Virnig 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).

  • METHODS AND SYSTEMS FOR REMOVING POLAR COMPOUNDS FROM A METAL-CONTAINING SOLUTION
    Publication number: 20190062867
    Abstract: Methods and systems for removing polar compounds from a metal-containing solution. According to various example aspects, methods and systems for removing hydrolysis byproducts and other polar compounds from a metal-loaded organic solution of a solvent extraction process.
    Type: Application
    Filed: October 18, 2016
    Publication date: February 28, 2019
    Inventors: Jack Thomas Bender, Noah Oliver, Nathan Clark Emmerich, Lauren Hight, Michael Virnig
  • Acid Mist Mitigation Agents for Electrolyte Solutions
    Publication number: 20170283373
    Abstract: Sulfonate-, sulfate-, or carboxylate-capped, alkoxylated anti-misting agents having the stricture: R(AO)nX)m((AO)nH)p, and methods of suppressing mist from electrolyte solutions by adding a mist-suppressing amount of one or more compounds selected from the group consisting of compounds of the Formulas R((AO)nX)m((AO)nH)p and R3N+(CH3)2R4, and mixtures thereof, to electrolyte solutions.
    Type: Application
    Filed: June 21, 2017
    Publication date: October 5, 2017
    Inventors: Michael Virnig, Jack Bender, Louis Rebrovic
  • Acid mist mitigation agents for electrolyte solutions
    Patent number: 9714218
    Abstract: Sulfonate-, sulfate-, or carboxylate-capped, alkoxylated anti-misting agents having the structure: R((AO)nX)m((AO)nH)p, and methods of suppressing mist from electrolyte solutions by adding a mist-suppressing amount of one or more compounds selected from the group consisting of compounds of the Formulas R((AO)nX)m((AO)nH)p and R3N+(CH3)2R4, and mixtures thereof, to electrolyte solutions.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: July 25, 2017
    Assignee: BASF SE
    Inventors: Michael Virnig, Jack Bender, Louis Rebrovic
  • Acid Mist Mitigation Agents for Electrolyte Solutions
    Publication number: 20150291516
    Abstract: Sulfonate-, sulfate-, or carboxylate-capped, alkoxylated anti-misting agents having the structure: R((AO)nX)m((AO)nH)p, and methods of suppressing mist from electrolyte solutions by adding a mist-suppressing amount of one or more compounds selected from the group consisting of compounds of the Formulas R((AO)nX)m((AO)nH)p and R3N+(CH3)2R4, and mixtures thereof, to electrolyte solutions.
    Type: Application
    Filed: June 23, 2015
    Publication date: October 15, 2015
    Inventors: Michael Virnig, Jack Bender, Louis Rebrovic
  • Acid mist mitigation agents for electrolyte solutions
    Patent number: 9074292
    Abstract: Sulfonate-, sulfate-, or carboxylate-capped, alkoxylated anti-misting agents having the structure: R((AO)nX)m((AO)nH)p, and methods of suppressing mist from electrolyte solutions by adding a mist-suppressing amount of one or more compounds selected from the group consisting of compounds of the Formulas R((AO)nX)m((AO)nH)p and R3N+(CH3)2R4, and mixtures thereof, to electrolyte solutions.
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: July 7, 2015
    Assignee: BASF SE
    Inventors: Michael Virnig, Jack Bender, Louis Rebrovic
  • Compositions and methods of using a ketoxime in a metal solvent extraction reagent
    Patent number: 8986633
    Abstract: Provided are methods using a ketoxime in metal extraction. One aspect of the invention relates to a method for the recovery of metal from a metal-containing aqueous solution at an elevated temperature using a ketoxime. Another aspect relates to a method of separating iron/copper using a specific ketoxime. Aldoximes may also be added to the reagent compositions used in these methods.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: March 24, 2015
    Assignee: BASF SE
    Inventors: Michael Virnig, Jack Bender, Nathan C. Emmerich
  • Methods of metal extraction using oximes
    Patent number: 8945490
    Abstract: Provided are methods method of recovering metal from an aqueous solution, the method comprising contacting an aqueous solution containing at least two metals selected from molybdenum, cobalt, nickel, zinc and iron with an organic solvent and an oxime-containing reagent composition at a predetermined pH, the predetermined pH selected to provide a high first metal extraction and a low second metal extraction; and separating the first metal from the solution.
    Type: Grant
    Filed: May 9, 2013
    Date of Patent: February 3, 2015
    Assignee: BASF SE
    Inventors: Michael Virnig, Jack Bender, Nathan C. Emmerich
  • Method for maintaining the ratio of the oxime to equilibrium modifier concentration in solvent extraction circuits
    Patent number: 8852549
    Abstract: Provided are methods for maintaining the ratio of the oxime to equilibrium modifier concentration in solvent extraction circuits, said solvents essentially consisting of at least one ketoxime and/or aldoxime; at least one equilibrium modifier; and at least one diluent.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: October 7, 2014
    Assignee: BASF Corporation
    Inventors: Michael Virnig, Jack Bender, Nathan C. Emmerich
  • Compositions And Methods Of Using A Ketoxime In A Metal Solvent Extraction Reagent
    Publication number: 20130302225
    Abstract: Provided are methods using a ketoxime in metal extraction. One aspect of the invention relates to a method for the recovery of metal from a metal-containing aqueous solution at an elevated temperature using a ketoxime. Another aspect relates to a method of separating iron/copper using a specific ketoxime. Aldoximes may also be added to the reagent compositions used in these methods.
    Type: Application
    Filed: July 10, 2013
    Publication date: November 14, 2013
    Inventors: Michael Virnig, Jack Bender, Nathan C. Emmerich
  • Methods Of Metal Extraction Using Oximes
    Publication number: 20130247718
    Abstract: Provided are methods method of recovering metal from an aqueous solution, the method comprising contacting an aqueous solution containing at least two metals selected from molybdenum, cobalt, nickel, zinc and iron with an organic solvent and an oxime-containing reagent composition at a predetermined pH, the predetermined pH selected to provide a high first metal extraction and a low second metal extraction; and separating the first metal from the solution.
    Type: Application
    Filed: May 9, 2013
    Publication date: September 26, 2013
    Applicant: Cognis IP Management GmbH
    Inventors: Michael Virnig, Jack Bender, Nathan C. Emmerich
  • Compositions and methods of using a ketoxime in a metal solvent
    Patent number: 8529850
    Abstract: Provided are methods using a ketoxime in metal extraction. One aspect of the invention relates to a method for the recovery of metal from a metal-containing aqueous solution at an elevated temperature using a ketoxime. Another aspect relates to a method of separating iron/copper using a specific ketoxime. Aldoximes may also be added to the reagent compositions used in these methods.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: September 10, 2013
    Assignee: Cognis IP Management GmbH
    Inventors: Michael Virnig, Jack Bender, Nathan C. Emmerich
  • Metal solvent extraction reagents and use thereof
    Patent number: 8475748
    Abstract: Reagent compositions, methods for their manufacture and methods of their use are described. In particular, provided are reagent compositions comprising an aldoxime and ketoxime with an alkyl substituent. Also provided are methods of metal recovery using these reagent compositions.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: July 2, 2013
    Assignee: Cognis IP Management GmbH
    Inventors: Michael Virnig, Jack Bender, Nathan C. Emmerich
  • Methods of metal extraction using oximes
    Patent number: 8460623
    Abstract: Provided are methods using ketoximes and/or aldoximes, including 3-methyl-5-alkylsalicylaldoxime and/or 3-methyl-5-alkyl-2-hydroxyacetophenone oxime, in reagent compositions for metal extraction/isolation. One such method is of extracting a metal from a nitrate-containing aqueous solution. Another such method is of extracting a metal from an aqueous ammoniacal solution. A third method is of multi-metal extraction based on a predetermined pH.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: June 11, 2013
    Assignee: Cognis IP Management GmbH
    Inventors: Michael Virnig, Jack Bender, Nathan C. Emmerich
  • Sulfonate- or sulfate-capped anti-misting agents
    Patent number: 8440857
    Abstract: Sulfonate- or sulfate-capped, alkoxylated anti-misting agents having the structures: R((AO)nX)m((AO)nH)p and R3C(O)NH(CH2)zN+(CH3)2CH2CHR4CH2SO3?, and to methods of suppressing mist from electrolyte solutions by adding a mist-suppressing amount of one or more of said compounds to electrolyte solutions.
    Type: Grant
    Filed: September 19, 2007
    Date of Patent: May 14, 2013
    Assignee: BASF Corporation
    Inventors: Michael Virnig, Jack Bender, Louis Rebrovic
  • Methods of metal extraction from ammoniacal solutions using oximes
    Patent number: 8435466
    Abstract: Provided are methods using ketoximes and/or aldoximes, including 3-methyl-5-alkylsalicylaldoxime and/or 3-methyl-5-alkyl-2-hydroxyacetophenone oxime, in reagent compositions for metal extraction/isolation. One such method is of extracting a metal from an aqueous ammoniacal solution. Metals that can be extracted include nickel, zinc and copper.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: May 7, 2013
    Assignee: BASF Corporation
    Inventors: Michael Virnig, Jack Bender, Nathan C. Emmerich
  • Method For Maintaining The Ratio Of The Oxime To Equilibrium Modifier Concentration In Solvent Extraction Circuits
    Publication number: 20130020536
    Abstract: Provided are methods for maintaining the ratio of the oxime to equilibrium modifier concentration in solvent extraction circuits, said solvents essentially consisting of at least one ketoxime and/or aldoxime; at least one equilibrium modifier; and at least one diluent.
    Type: Application
    Filed: July 17, 2012
    Publication date: January 24, 2013
    Applicant: Cognis IP Management GmbH
    Inventors: Michael Virnig, Jack Bender, Nathan C. Emmerich
  • Acid mist mitigation agents for electrolyte solutions
    Patent number: 8343326
    Abstract: Sulfonate-, sulfate-, or carboxylate-capped, alkoxylated anti-misting agents having the structure: R((AO)nX)m((AO)nH)p, and methods of suppressing mist from electrolyte solutions by adding a mist-suppressing amount of one or more compounds selected from the group consisting of compounds of the Formulas R((AO)nX)m((AO)nH)p and R3N+(CH3)2R4, and mixtures thereof, to electrolyte solutions.
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: January 1, 2013
    Assignee: BASF Corporation
    Inventors: Michael Virnig, Jack Bender, Louis Rebrovic
  • Metal Solvent Extraction Reagents And Use Thereof
    Publication number: 20120219474
    Abstract: Reagent compositions, methods for their manufacture and methods of their use are described. In particular, provided are reagent compositions comprising an aldoxime and ketoxime with an alkyl substituent. Also provided are methods of metal recovery using these reagent compositions.
    Type: Application
    Filed: February 22, 2012
    Publication date: August 30, 2012
    Applicant: Cognis IP Management GmbH
    Inventors: Michael Virnig, Jack Bender, Nathan C. Emmerich
  • Methods Of Metal Extraction Using Oximes
    Publication number: 20120219476
    Abstract: Provided are methods using ketoximes and/or aldoximes, including 3-methyl-5-alkylsalicylaldoxime and/or 3-methyl-5-alkyl-2-hydroxyacetophenone oxime, in reagent compositions for metal extraction/isolation. One such method is of extracting a metal from a nitrate-containing aqueous solution. Another such method is of extracting a metal from an aqueous ammoniacal solution. A third method is of multi-metal extraction based on a predetermined pH.
    Type: Application
    Filed: February 22, 2012
    Publication date: August 30, 2012
    Inventors: Michael Virnig, Jack Bender, Nathan C. Emmerich
  • Compositions and Methods of Using a Ketoxime in a Metal Solvent Extraction Reagent
    Publication number: 20120219475
    Abstract: Provided are methods using a ketoxime in metal extraction. One aspect of the invention relates to a method for the recovery of metal from a metal-containing aqueous solution at an elevated temperature using a ketoxime. Another aspect relates to a method of separating iron/copper using a specific ketoxime. Aldoximes may also be added to the reagent compositions used in these methods.
    Type: Application
    Filed: February 22, 2012
    Publication date: August 30, 2012
    Inventors: Michael Virnig, Jack Bender, Nathan C. Emmerich