Patents Assigned to U.S. Borax Inc.
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Patent number: 12275644Abstract: A method of forming lithium carbonate from a lithium-bearing solution including: evaporating the lithium-bearing solution to precipitate a first group of impurities; removing the first group of impurities to form a first purified solution; and performing a flash crystallisation step within a predetermined temperature range to crystallise a second group of impurities from the first purified solution; removing the second group of impurities from the first solution to form a second purified solution, wherein at least 90 wt % of lithium is recovered from the first purified solution; and reacting the second purified solution with a metal carbonate to form lithium carbonate of at least 90 wt % purity.Type: GrantFiled: December 1, 2021Date of Patent: April 15, 2025Assignee: U.S. Borax Inc.Inventors: Amit Patwardhan, Sandip Shinde, Allen Wattenbarger
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Patent number: 12234529Abstract: A method of extracting lithium from a lithium-bearing material including: (i) mixing the lithium-bearing material, gypsum, a sulfur-containing material, and a calcium-containing material and forming a feed mixture having a moisture content of at least 20 wt %; (ii) drying the feed mixture to form a dried mixture having a moisture content of less than 20 wt %; (iii) roasting the dried mixture and forming a roasted mixture including a water-soluble lithium compound; and (iv) leaching lithium from the water-soluble lithium compound and forming a lithium-containing leachate by mixing the aqueous solution and the water-soluble lithium compound.Type: GrantFiled: December 1, 2021Date of Patent: February 25, 2025Assignee: U.S. Borax Inc.Inventors: Amit Patwardhan, Sandip Shinde, Allen Wattenbarger, Daniel Suasnabar
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Patent number: 8623423Abstract: The present invention relates to boron-containing compositions. The invention relates to comminuted, heterogeneous boron-containing compositions which are obtainable by a process which comprises heating to a temperature sufficiently high that calcination occurs but insufficient for the formation of a homogeneous melt a mixture comprising components capable, under the conditions of heating, of forming the oxides B2O3 and SiO2 and optionally Al2O3, Na2O and/or CaO in proportions such that the relative percentages by weight of the said oxides, based on the total weight of said oxides, are as follows: 5 to 35% B2O3; 10 to 65% SiO2; 0 to 35% Al2O3; and up to 20% Na2O and/or up to 50% CaO; with the proviso that the said B2O3 content is not 10 to 18%, when the other contents are as follows: 40 to 65% SiO2, 17 to 32% Al2O3 4 to 9% Na2O, and 0 to 10% CaO, and then comminuting the resulting composition.Type: GrantFiled: December 22, 2008Date of Patent: January 7, 2014Assignee: U.S. Borax, Inc.Inventor: Simon Gregson Cook
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Patent number: 8308997Abstract: The invention relates to a fire resistant composition and a method of making fire resistant cellulosic materials comprising the fire resistant composition. More specifically, the invention relates to liquid compositions, including liquid compositions comprising urea and a boron -containing compound for imparting fire resistance to cellulosic products. The boron-containing compound typically comprises boric acids; borates (i.e., boric acid salts); boric oxides (i.e., any compound containing boron and oxygen), and mixtures thereof.Type: GrantFiled: December 17, 2008Date of Patent: November 13, 2012Assignee: U.S. Borax Inc.Inventor: David M. Schubert
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Patent number: 8119031Abstract: Preservative composition for lignocellulosic-based composites providing rapid and long-lasting protection against insect and fungal attack, in both low and high moisture environments, through the use of a combination of higher solubility and lower solubility borates. Pesticidal amounts of a lower solubility borate and a higher solubility borate are combined before or during their incorporation into a lignocellulosic-based composite. Useful low solubility borates include copper borate, zinc borate and barium metaborate. Useful high solubility borates include boric acid, boric oxide, ammonium borate and alkali metal borates such as sodium borate. Some alkaline earth metal borates, including calcium borates, calcium magnesium borates, magnesium borates and calcium sodium borates, are of intermediate solubility and may be used effectively as either a low soluble or high soluble borate depending on the combination used.Type: GrantFiled: October 22, 2008Date of Patent: February 21, 2012Assignee: U.S. Borax Inc.Inventors: Jeffrey D. Lloyd, Mark J. Manning, Frederick M. Ascherl
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Patent number: 7892997Abstract: This invention relates to boron-containing compositions for use in glaze compositions. There is provided a boron-containing composition for use in glaze production, which composition is obtainable by a process which comprises heating to a temperature sufficiently high that calcination occurs but insufficient for the formation of a homogeneous melt a mixture comprising components capable, under the conditions of heating, of forming the oxides B2O3, SiO2, Al2O3, Na2O and optionally CaO in proportions such that the relative percentages by weight of the said oxides, based on the total weight of the said oxides, are as follows: 10 to 18% B2O3, 40 to 65% SiO2, 17 to 32% Al2O3, 4 to 9% Na2O, and 0 to 10% CaO. The boron-containing compositions according to the present invention may be used in glaze compositions, suitably frit-free or boron-free frit-containing glaze compositions.Type: GrantFiled: June 21, 2007Date of Patent: February 22, 2011Assignee: U.S. Borax Inc.Inventors: Simon Gregson Cook, Miguel Joaquin Galindo Cercos
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Publication number: 20100226900Abstract: The invention provides compositions and methods for preventing and treating osteochondrosis and lameness by administration of supplemental boron containing compounds to animals and humans. The supplemental boron containing compounds are provided in animal feed compositions or as supplements for animal feed. Also provided by this invention are animal feed compositions that are supplemented with boron containing compounds and which have reduced phosphorus content. The invention also provides a method for decreasing the amount of phosphorus excreted by an animal, a method of increasing the efficiency of absorption of phosphorus by an animal, a method of reducing environmental phosphorus pollution by administering supplemental boron to the animal. The invention also provides a method of reducing pre-weaning mortality in an animal by feeding pregnant, nursing or lactating animals by administering supplemental boron containing compounds.Type: ApplicationFiled: December 6, 2006Publication date: September 9, 2010Applicant: U.S. Borax Inc.Inventor: Edgar W. Johnson
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Patent number: 7691922Abstract: The addition of zinc borate alone or together with a hindered amine light stabilizer and ultra-violet light absorber to organic materials such as thermoplastic polyolefin resin, as is common in wood-plastic composites, provides a substantial reduction in the ultra-violet light degradation of the resin in comparison with similar materials made without zinc borate. This could provide substantial improvements in the long term durability of wood-plastic composites and other organic materials which are used in exterior environments and subject to ultra-violet exposure from the sun.Type: GrantFiled: July 1, 2005Date of Patent: April 6, 2010Assignee: U.S. Borax Inc.Inventors: Mark J. Manning, Marek J. Gnatowski, Christine Mah, Cecilia L. Stevens
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Publication number: 20100034901Abstract: The invention provides compositions and methods for preventing and treating osteochondrosis, lameness, and leg weakness by administration of supplemental boron and vitamin C containing compounds to animals and humans. The supplemental boron and vitamin C containing compounds are provided in animal feed compositions or as supplements for animal feed. Also provided by this invention are animal feed compositions that are supplemented with boron and vitamin C containing compounds and which have reduced phosphorus content. The invention also provides a method for decreasing the amount of phosphorus excreted by an animal, a method of increasing the efficiency of absorption of phosphorus by an animal, a method of reducing environmental phosphorus pollution by administering supplemental boron and vitamin C to the animal.Type: ApplicationFiled: December 6, 2007Publication date: February 11, 2010Applicant: U.S. BORAX, INC.Inventor: Edgar Wayne Johnson, JR.
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Publication number: 20090214500Abstract: The present invention relates to compositions and methods for preventing and treating osteochondrosis by administration of supplemental boron containing compounds to animals and humans. The supplemental boron containing compounds are provided in animal feed compositions or as supplements for animal feed. Also provided by this invention are animal feed compositions that are supplemented with boron containing compounds and which have reduced phosphorus content. The invention also provides a method for treating or preventing osteochondrosis in animals or humans by the administration of supplemental boron containing compounds. The invention also provides a method for decreasing the amount of phosphorus excreted by an animal, a method of increasing the efficiency of absorption of phosphorus by an animal, a method of reducing environmental phosphorus pollution by administering supplemental boron to the animal.Type: ApplicationFiled: June 2, 2006Publication date: August 27, 2009Applicant: U.S. Borax Inc.Inventors: Edgar W. Johnson, Larry M. Jayroe
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Patent number: 7547354Abstract: Compositions and methods are provided for treating wood products to provide leach-resistant protection against fungal decay, termites and other wood destroying organisms. The preservative compositions provided include ammonia-stabilized solutions of zinc and boron, preferably in a molar ratio of Zn:B of between about 0.4:1 and 5:1, and are essentially copper free. The preservative may be applied by vacuum and/or pressure treatment or dip treatment under atmospheric pressure.Type: GrantFiled: March 31, 2005Date of Patent: June 16, 2009Assignees: PQ Corporation, U.S. Borax Inc.Inventors: Yatao Hu, Neil T. Miller, David M. Schubert
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Patent number: 7497900Abstract: Systems and methods are provided for treating products containing wood fibers to provide protection against wood destroying organisms and fire, and resistance against leaching of the preservative from the wood by water in exposed environments such as exterior applications. The methods involve applying to a substrate a first aqueous composition containing a boron compound, a source of zinc, and ammonia, followed by application of a second aqueous composition containing an alkali metal silicate. The compositions may be applied by vacuum and/or pressure treatment or dip treatment under atmospheric pressure.Type: GrantFiled: March 31, 2005Date of Patent: March 3, 2009Assignees: PQ Corporation, U.S. Borax Inc.Inventors: Yatao Hu, Jason D. Lenox, Neil T. Miller, David M. Schubert
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Publication number: 20090053509Abstract: Preservative composition for lignocellulosic-based composites providing rapid and long-lasting protection against insect and fungal attack, in both low and high moisture environments, through the use of a combination of higher solubility and lower solubility borates. Pesticidal amounts of a lower solubility borate and a higher solubility borate are combined before or during their incorporation into a lignocellulosic-based composite. Useful low solubility borates include copper borate, zinc borate and barium metaborate. Useful high solubility borates include boric acid, boric oxide, ammonium borate and alkali metal borates such as sodium borate. Some alkaline earth metal borates, including calcium borates, calcium magnesium borates, magnesium borates and calcium sodium borates, are of intermediate solubility and may be used effectively as either a low soluble or high soluble borate depending on the combination used.Type: ApplicationFiled: October 22, 2008Publication date: February 26, 2009Applicant: U.S. Borax Inc.Inventors: Jeffrey D. Lloyd, Mark J. Manning, Frederick M. Ascherl
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Amino acid-solubilized borate, silicate and zinc compositions and methods for treating wood products
Patent number: 7470313Abstract: Compositions and methods are provided for treating products containing wood fibers to provide protection against wood destroying organisms and fire, and resistance against leaching of the preservative from the wood fibers by water in exposed environments such as exterior applications. The methods involve applying to a substrate an aqueous preservative composition containing a boron compound, a source of zinc, an aqueous silicate, a source of alkalinity, and an amino acid. The compositions may be applied by vacuum and/or pressure treatment or dip treatment under atmospheric pressure.Type: GrantFiled: March 31, 2005Date of Patent: December 30, 2008Assignees: PQ Corporation, U.S. Borax Inc.Inventors: Jason D. Lenox, Neil T. Miller, Matthew Rossi -
Publication number: 20080311302Abstract: This invention relates to boron-containing compositions for use in glaze compositions. There is provided a boron-containing composition for use in glaze production, which composition is obtainable by a process which comprises heating to a temperature sufficiently high that calcination occurs but insufficient for the formation of a homogeneous melt a mixture comprising components capable, under the conditions of heating, of forming the oxides B2O3, SiO2, Al2O3, Na2O and optionally CaO in proportions such that the relative percentages by weight of the said oxides, based on the total weight of the said oxides, are as follows: 10 to 18% B2O3, 40 to 65% SiO2, 17 to 32% Al2O3, 4 to 9% Na2O, and 0 to 10% CaO. The boron-containing compositions according to the present invention may be used in glaze compositions, suitably frit-free or boron-free frit-containing glaze compositions.Type: ApplicationFiled: June 21, 2007Publication date: December 18, 2008Applicant: U.S. BORAX INC.Inventors: Simon Gregson Cook, Miguel Joaquin Galindo Cercos
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Patent number: 7449130Abstract: Preservative composition for lignocellulosic-based composites providing rapid and long-lasting protection against insect and fungal attack, in both low and high moisture environments, through the use of a combination of higher solubility and lower solubility borates. Pesticidal amounts of a lower solubility borate and a higher solubility borate are combined before or during their incorporation into a lignocellulosic-based composite. Useful low solubility borates includes copper borate, zinc borate and barium metaborate. Useful high solubility borates includes boric acid, boric oxide, ammonium borate and alkali metal borates such as sodium borate. Some alkaline earth metal borates, including calcium borates, are of intermediate solubility and may be used effectively as either a low soluble or high soluble borate depending on the combination used.Type: GrantFiled: July 16, 2001Date of Patent: November 11, 2008Assignee: U.S. Borax Inc.Inventors: Jeffrey D. Lloyd, Mark J. Manning, Frederick M. Ascherl
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Publication number: 20080233210Abstract: Polymeric materials containing at least one continuous phase man-made polymer and at least one biodegradable component are protected against microbial attack through the use a combination of a boron-containing compound and an organic biocide. Methods and compositions for preparing treated polymeric materials are provided. A shaped article comprising a continuous phase man-made thermoplastic resin polymer, a biodegradable component, a boron-containing compound and an organic biocide is also provided.Type: ApplicationFiled: November 30, 2006Publication date: September 25, 2008Applicant: U.S. BORAX INC.Inventors: Mark J. Manning, Marek J. Gnatowski
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Publication number: 20080227984Abstract: This invention relates to the selective oxidation of organic compounds. According to the invention organic compounds are selectively oxidized using a peracid or a source of peracid, a transition metal based heterogeneous catalysts and a borate or boric acid in the presence of water. Using the process of the present invention, both excellent conversion and product selectivity maybe obtained.Type: ApplicationFiled: October 21, 2005Publication date: September 18, 2008Applicant: U.S. Borax, Inc.Inventors: Michael John Greenhill-Hooper, Robert Raja, John Meurig-Thomas
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Publication number: 20080124478Abstract: Systems and methods are provided for treating products containing wood fibers to provide protection against wood destroying organisms and fire, and resistance against leaching of the preservative from the wood by water in exposed environments such as exterior applications. The methods involve applying to a substrate a first aqueous composition containing a boron compound, a source of zinc, and ammonia, followed by application of a second aqueous composition containing an alkali metal silicate. The compositions may be applied by vacuum and/or pressure treatment or dip treatment under atmospheric pressure.Type: ApplicationFiled: March 31, 2005Publication date: May 29, 2008Applicants: U.S. BORAX INC., PQ CORPORATIONInventors: Yatao Hu, Jason D. Lenox, Neil T. Miller, David M. Schubert
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Patent number: D980717Type: GrantFiled: May 19, 2021Date of Patent: March 14, 2023Assignee: U.S. Borax Inc.Inventors: Ricardo Hurtado, Qizhong Diao, Frank Wawrzos