Patents Assigned to Toxco
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Patent number: 8802041Abstract: There is provided a process for decontaminating and converting volumetrically contaminated radioactive metals, especially nickel, and recovering a decontaminated metal hydroxide or metal carbonate. The process includes the use of hydrogen peroxide to oxidize and remove nucleotides.Type: GrantFiled: January 24, 2014Date of Patent: August 12, 2014Assignee: Toxco, Inc.Inventors: W. Novis Smith, David S. Eaker
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Publication number: 20140096647Abstract: There is provided a process for recovering AB5 alloy from spent nickel hydride storage batteries and/or their cells without thermal melting or dissolving the AB5 alloy. The process comprises a step of dissolving the Ni(OH)2 and separating AB5 alloy and still containing the lanthanum metal.Type: ApplicationFiled: October 26, 2012Publication date: April 10, 2014Applicant: Toxco, Inc.Inventors: W. NOVIS SMITH, SCOTT SWOFFER
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Patent number: 8586218Abstract: The present invention relates to a process for recycling alkaline batteries to recover metals and zinc and manganese compounds. The process provides for the separation of metal pieces and the chemical separation and recovery of zinc and manganese compounds.Type: GrantFiled: November 21, 2011Date of Patent: November 19, 2013Assignee: Toxco, Inc.Inventors: W. Novis Smith, Michael Arutunian, Scott Swoffer
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Patent number: 8562923Abstract: The present invention relates to the recovery of high purity litharge from spent lead acid battery paste at a low temperature which does not produce sulfur dioxide. In the process lead acetate is produced which is converted to pure litharge.Type: GrantFiled: October 25, 2012Date of Patent: October 22, 2013Assignee: Toxco, Inc.Inventors: W. Novis Smith, Steven A. Kinsbursky
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Patent number: 8323595Abstract: There is provided a process for recovering high purity litharge PbO from spent lead acid battery paste at low temperatures and the further preparation of highly pure lead oxides and Pb(OH)2.Type: GrantFiled: September 3, 2011Date of Patent: December 4, 2012Assignee: Toxco, Inc.Inventors: W. Novis Smith, Steven A. Kinsbursky
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Patent number: 8252085Abstract: The invention relates to the purification of recovered AB5 alloy which is obtained from spent nickel/metal hydride storage batteries by the selective removal of any Ni(OH)2 and the recovery of lanthanum without dissolving any AB5 alloy.Type: GrantFiled: April 6, 2011Date of Patent: August 28, 2012Assignee: Toxco, Inc.Inventors: W. Novis Smith, Scott Swoffer
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Patent number: 8246717Abstract: The present invention provides a process of recovering AB5 and/or AB2 as well as other metals from spent nickel metal hydride batteries from a slury by a series of separation steps utilizing the screening off of larger metal particles, removal of magnetizable small metal particles from a filter and then separating AB5 and/or AB2 by passing the filtrate through a froth flotation step to separate AB5 and/or AB2 from lighter small particles.Type: GrantFiled: August 23, 2010Date of Patent: August 21, 2012Assignee: Toxco, Inc.Inventors: W. Novis Smith, Scott Swoffer
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Patent number: 7785561Abstract: A process for producing high purity lead oxide from impure lead compounds particularly from waste lead battery paste which includes an oxidation-reduction step. The process results in a reduction of impure lead compounds to the +2 valence state and metal particle contaminants are oxidized to the +2 state.Type: GrantFiled: February 18, 2009Date of Patent: August 31, 2010Assignees: Toxco. Inc, Kinsbursky Brothers, Inc.Inventors: W. Novis Smith, Steven A. Kinsbursky
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Patent number: 7507496Abstract: A process for recovering lead oxides from the spent paste of exhausted lead acid batteries. The process provides heating the spent paste with an alkali hydroxide solution at elevated temperatures prior to calcinations. Calcination is at various temperatures so that either lead mono-oxide, lead dioxide or red lead is obtained as the principal product. There is also provided the use of the lead oxide to prepare the paste for positive and negative electrodes or other lead compounds.Type: GrantFiled: December 7, 2004Date of Patent: March 24, 2009Assignees: Toxco, Inc, Kinsbursky Brothers IncInventors: Steven A. Kinsbursky, W. Novis Smith, Richard Schutte
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Patent number: 6896807Abstract: A method for recovering and recycling expensive and hazardous components from capacitors containing an electrolyte salt dissolved in an aprotic organic solvent. The method includes disintegrating a plurality of capacitor casings and their contents into fragments and forming an aqueous slurry of water insoluble fragments, filtering fractionally distilling the filtrate to remove the solvent as a distillate and recovering the electrolyte salt.Type: GrantFiled: February 27, 2003Date of Patent: May 24, 2005Assignee: Toxco IncInventors: W. Novis Smith, Terry Adams
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Patent number: 6653262Abstract: The present invention provides a method for forming dust free lithium hydroxide monohydrate. The method contains the step of coating the lithium hydroxide with 0.2 to 1.5% by weight of paraffinic oils.Type: GrantFiled: December 27, 2001Date of Patent: November 25, 2003Assignee: Toxco, Inc.Inventors: W. Novis Smith, Joel McCloskey, Andrew Atterbury
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Patent number: 6608008Abstract: There is provided concentrated aqueous solutions of highly pure lithium hydroxide essentially free of carbon dioxide, packaged in an inert atmosphere.Type: GrantFiled: September 20, 2000Date of Patent: August 19, 2003Assignee: Toxco Inc.Inventor: W. Novis Smith
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Patent number: 5948736Abstract: The present invention provides a method for forming dust free lithium hydroxide monohydrate. The method contains the step of coating the lithium hydroxide with 0.1 to 5% by weight of low melting or liquid fatty acids or esters and triglycerides of fatty acids.Type: GrantFiled: August 25, 1998Date of Patent: September 7, 1999Assignee: Toxco, Inc.Inventors: W. Novis Smith, Joel McCloskey
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Patent number: 5888463Abstract: Li batteries are cryogenically cooled, comminuted and reacted with water having its pH adjusted with the addition of LiOH. The resulting salts are substantially dewatered and optionally further purified in an electrolytic cell to yield substantially uncontaminated LiOH for reuse.Type: GrantFiled: January 2, 1998Date of Patent: March 30, 1999Assignee: ToxcoInventors: William McLaughlin, Terry S. Adams
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Patent number: 5345033Abstract: A method for neutralizing hazardous materials wherein the material and if applicable, the device within which such material is contained, is first cooled to substantially sub-ambient temperatures. The material is then safely extractable from such device and exposed to the appropriate reactants in order to form benign products. Most of the hazards associated with accessing, handling, and reacting these materials are thereby eliminated and such is achieved in relatively economical manner.Type: GrantFiled: December 23, 1992Date of Patent: September 6, 1994Assignee: Toxco, Inc.Inventor: William J. McLaughlin