Patents by Inventor John W. FREIDERICH
John W. FREIDERICH 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).
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Patent number: 11579115Abstract: An electrochemical substrate holder assembly, including: a first housing and a second housing; wherein the first housing and the second housing collectively define an interior space; a first gasket coupled to the first housing and adapted to contact a first side of a substrate; and a second gasket coupled to the second housing and adapted to contact a second side of the substrate; wherein the first gasket and the second gasket are collectively adapted to hold the substrate within the interior space. The first housing defines a first port adapted to receive a first electrical lead to electrically contact the first side of the substrate. The second housing defines a second port adapted to allow a fluid to pass there through to fluidly contact at least the second side of the substrate. The second housing is adapted to receive one or more of a second and third electrical lead.Type: GrantFiled: May 24, 2019Date of Patent: February 14, 2023Assignee: Consolidated Nuclear Security, LLCInventors: John W. Freiderich, Tasha L. Boyd, Benjamin D. Green
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Publication number: 20230017923Abstract: Methods for electropolishing and coating aluminum on a surface of an air and/or moisture sensitive substrate, including: in a vessel, submerging the substrate in a first molten salt bath and applying an anodizing current to the substrate at a first temperature to electropolish the surface of the substrate; wherein the first molten salt bath includes one of a first organic salt bath and first inorganic salt bath; wherein, when used, the first organic salt bath includes one of (a) aluminum halide and ionic liquid, (b) a combination of an aluminum halide and halogenatedmethylphenylsulfone (C6(H5-y, Xy)SO2CX3, where y is a number from 0-5), (c) a combination of an aluminum halide, an ionic liquid, and halogenatedmethylphenylsulfone (C6(H5-y, Xy)SO2CX3), and (d) AlF3-organofluoride-hydrofluoric acid adduct; wherein, when used, the first inorganic salt bath includes aluminum halide and alkali metal halide; and wherein the anodizing current is 10-30 mA/cm2.Type: ApplicationFiled: August 25, 2022Publication date: January 19, 2023Inventors: John W. FREIDERICH, Tasha L. BOYD
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Patent number: 11486045Abstract: A method and electrolysis cell for producing lithium metal at a low temperature. The method includes combining (i) acetonitrile and (ii) a cation bis(trihaloalkylsulfonyl)imide, cation bis(trihalosulfonyl)imidic acid, a cation bis(trihaloalkylsulfonyl)amide, or cation bis(trihaloalkylsulfonyl)amidic acid in a weight ratio of (i) to (ii) about 100:1 to about 5:1 to provide a non-aqueous electrolyte composition. A lithium compound selected from the group consisting of LiOH, Li2O and Li2CO3 is dissolved in the electrolyte composition to provide a lithium doped electrolyte composition. Power is applied to the electrolyte composition to form lithium metal on a cathode of an electrolysis cell. The lithium metal separated from the cathode has a purity of at least about 95 wt. %.Type: GrantFiled: July 15, 2020Date of Patent: November 1, 2022Assignee: CONSOLIDATED NUCLEAR SECURITY, LLCInventor: John W. Freiderich
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Patent number: 11466375Abstract: A method and electrolysis cell for producing lithium metal at a low temperature. The method includes combining (i) phenyl trihaloalkyl sulfone and (ii) an inorganic cation bis(perhaloalkylsulfonyl)imide, an inorganic cation bis(halosulfonyl)imide, an inorganic cation bis(perhaloalkylsulfonyl)imidic acid, or an inorganic cation bis(halosulfonyl)imidic acid in a weight ratio of (i) to (ii) about 10:90 to about 60:40 to provide a non-aqueous electrolyte composition. A lithium compound selected from the group consisting of LiOH, Li2O and Li2CO3 is dissolved in the electrolyte composition to provide a soluble lithium doped electrolyte composition. Power is applied to the electrolyte composition to form lithium metal on a cathode of an electrolysis cell. The lithium metal is separated from the cathode has a purity of at least about 95 wt. %.Type: GrantFiled: August 26, 2020Date of Patent: October 11, 2022Assignee: CONSOLIDATED NUCLEAR SECURITY, LLCInventor: John W. Freiderich
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Patent number: 11466376Abstract: A method and electrolysis cell for producing lithium metal at a low temperature. The method includes combining (i) acetonitrile and (ii) a cation bis(trihaloalkylsulfonyl)imide, cation bis(trihalosulfonyl)imidic acid, a cation bis(trihaloalkylsulfonyl)amide, or cation bis(trihaloalkylsulfonyl)amidic acid in a weight ratio of (i) to (ii) about 100:1 to about 5:1 to provide a non-aqueous electrolyte composition. A lithium compound selected from the group consisting of LiOH, Li2O and Li2CO3 is dissolved in the electrolyte composition to provide a lithium doped electrolyte composition. Power is applied to the electrolyte composition to form lithium metal on a cathode of an electrolysis cell. The lithium metal separated from the cathode has a purity of at least about 95 wt. %.Type: GrantFiled: June 23, 2020Date of Patent: October 11, 2022Assignee: CONSOLIDATED NUCLEAR SECURITY, LLCInventor: John W. Freiderich
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Patent number: 11459658Abstract: Methods for electropolishing and coating aluminum on a surface of an air and/or moisture sensitive substrate, including: in a vessel, submerging the substrate in a first molten salt bath and applying an anodizing current to the substrate at a first temperature to electropolish the surface of the substrate; wherein the first molten salt bath includes one of a first organic salt bath and first inorganic salt bath; wherein, when used, the first organic salt bath includes one of (a) aluminum halide and ionic liquid, (b) a combination of an aluminum halide and halogenatedmethylphenylsulfone (C6(H5-y,Xy)SO2CX3, where y is a number from 0-5), (c) a combination of an aluminum halide, an ionic liquid, and halogenatedmethylphenylsulfone (C6(H5-y,Xy)SO2CX3), and (d) AlF3-organofluoride-hydrofluoric acid adduct; wherein, when used, the first inorganic salt bath includes aluminum halide and alkali metal halide; and wherein the anodizing current is 10-30 mA/cm2.Type: GrantFiled: July 19, 2021Date of Patent: October 4, 2022Assignee: Consolidated Nuclear Security, LLCInventors: John W. Freiderich, Tasha L. Boyd
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Publication number: 20210340688Abstract: Methods for electropolishing and coating aluminum on a surface of an air and/or moisture sensitive substrate, including: in a vessel, submerging the substrate in a first molten salt bath and applying an anodizing current to the substrate at a first temperature to electropolish the surface of the substrate; wherein the first molten salt bath includes one of a first organic salt bath and first inorganic salt bath; wherein, when used, the first organic salt bath includes one of (a) aluminum halide and ionic liquid, (b) a combination of an aluminum halide and halogenatedmethylphenylsulfone (C6(H5-y,Xy)SO2CX3, where y is a number from 0-5), (c) a combination of an aluminum halide, an ionic liquid, and halogenatedmethylphenylsulfone (C6(H5-y,Xy)SO2CX3), and (d) AlF3-organofluoride-hydrofluoric acid adduct; wherein, when used, the first inorganic salt bath includes aluminum halide and alkali metal halide; and wherein the anodizing current is 10-30 mA/cm2.Type: ApplicationFiled: July 19, 2021Publication date: November 4, 2021Inventors: John W. FREIDERICH, Tasha L. BOYD
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Patent number: 11142841Abstract: Methods for electropolishing and coating aluminum on a surface of an air and/or moisture sensitive substrate, including: in a vessel, submerging the substrate in a first molten salt bath and applying an anodizing current to the substrate at a first temperature to electropolish the surface of the substrate; wherein the first molten salt bath includes one of a first organic salt bath and first inorganic salt bath; wherein, when used, the first organic salt bath includes one of (a) aluminum halide and ionic liquid, (b) a combination of an aluminum halide and halogenatedmethylphenylsulfone (C6(H5?y,Xy)SO2CX3, where y is a number from 0-5), (c) a combination of an aluminum halide, an ionic liquid, and halogenatedmethylphenylsulfone (C6(H5?y,Xy)SO2CX3), and (d) AlF3-organofluoride-hydrofluoric acid adduct; wherein, when used, the first inorganic salt bath includes aluminum halide and alkali metal halide; and wherein the anodizing current is 10-30 mA/cm2.Type: GrantFiled: September 17, 2019Date of Patent: October 12, 2021Assignee: Consolidated Nuclear Security, LLCInventors: John W. Freiderich, Tasha L. Boyd
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Publication number: 20210079552Abstract: Methods for electropolishing and coating aluminum on a surface of an air and/or moisture sensitive substrate, including: in a vessel, submerging the substrate in a first molten salt bath and applying an anodizing current to the substrate at a first temperature to electropolish the surface of the substrate; wherein the first molten salt bath includes one of a first organic salt bath and first inorganic salt bath; wherein, when used, the first organic salt bath includes one of (a) aluminum halide and ionic liquid, (b) a combination of an aluminum halide and halogenatedmethylphenylsulfone (C6(H5?y,Xy)SO2CX3, where y is a number from 0-5), (c) a combination of an aluminum halide, an ionic liquid, and halogenatedmethylphenylsulfone (C6(H5?y,Xy)SO2CX3), and (d) AlF3-organofluoride-hydrofluoric acid adduct; wherein, when used, the first inorganic salt bath includes aluminum halide and alkali metal halide; and wherein the anodizing current is 10-30 mA/cm2.Type: ApplicationFiled: September 17, 2019Publication date: March 18, 2021Inventors: John W. FREIDERICH, Tasha L. BOYD
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Publication number: 20200371061Abstract: An electrochemical substrate holder assembly, including: a first housing and a second housing; wherein the first housing and the second housing collectively define an interior space; a first gasket coupled to the first housing and adapted to contact a first side of a substrate; and a second gasket coupled to the second housing and adapted to contact a second side of the substrate; wherein the first gasket and the second gasket are collectively adapted to hold the substrate within the interior space. The first housing defines a first port adapted to receive a first electrical lead to electrically contact the first side of the substrate. The second housing defines a second port adapted to allow a fluid to pass there through to fluidly contact at least the second side of the substrate. The second housing is adapted to receive one or more of a second and third electrical lead.Type: ApplicationFiled: May 24, 2019Publication date: November 26, 2020Inventors: John W. FREIDERICH, Tasha L. BOYD, Benjamin D. GREEN
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Patent number: 10718057Abstract: A method and electrolysis cell for producing lithium metal at a low temperature. The method includes combining (i) phenyl trihaloalkyl sulfone and (ii) an organic cation bis(trihaloalkylsulfonyl)imide or organic cation bis(trihalosulfonyl)imidic acid in a weight ratio of (i) to (ii) about 10:90 to about 60:40 to provide a non-aqueous electrolyte composition. A lithium compound selected from the group consisting of LiOH, Li2O and Li2CO3 is dissolved in the electrolyte composition to provide a soluble lithium ion species in the electrolyte composition. Power is applied to the electrolyte composition to form lithium metal on a cathode of an electrolysis cell. The lithium metal is separated from the cathode has a purity of at least about 95 wt. %.Type: GrantFiled: March 19, 2018Date of Patent: July 21, 2020Assignee: Consolidated Nuclear Security, LLCInventor: John W. Freiderich
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Patent number: 10704152Abstract: Systems and methods for producing metal chloride MIClx from metal MI without the use of HCl and/or Cl2 gases, including: a bath vessel holding conductive fluid; an anode disposed in the conductive fluid, the anode including metal MI; a cathode assembly disposed in the conductive fluid, the cathode assembly including a cathode vessel including porous and non-porous portions, the non-porous portion holding sacrificial metal chloride MIICly substantially separate from metal chloride MIClx, wherein the cathode assembly includes a center lead disposed within the cathode vessel operable for delivering charge to sacrificial metal chloride MIICly; and a power supply coupling the anode and the cathode assembly, the power supply polarized to produce current flow in a direction that causes anodic dissolution of metal MI into the conductive fluid and deposition of metal MII within the cathode vessel. The systems and methods apply equally to producing metal halide MIXx.Type: GrantFiled: January 11, 2018Date of Patent: July 7, 2020Assignee: Consolidated Nuclear Security, LLCInventors: Justin M. Holland, John W. Freiderich
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Publication number: 20190211460Abstract: Systems and methods for producing metal chloride MIClx from metal MI without the use of HCl and/or Cl2 gases, including: a bath vessel holding conductive fluid; an anode disposed in the conductive fluid, the anode including metal MI; a cathode assembly disposed in the conductive fluid, the cathode assembly including a cathode vessel including porous and non-porous portions, the non-porous portion holding sacrificial metal chloride MIICly substantially separate from metal chloride MIClx, wherein the cathode assembly includes a center lead disposed within the cathode vessel operable for delivering charge to sacrificial metal chloride MIICly; and a power supply coupling the anode and the cathode assembly, the power supply polarized to produce current flow in a direction that causes anodic dissolution of metal MI into the conductive fluid and deposition of metal MII within the cathode vessel. The systems and methods apply equally to producing metal halide MIXx.Type: ApplicationFiled: January 11, 2018Publication date: July 11, 2019Inventors: Justin M. HOLLAND, John W. FREIDERICH