Sodium Patents (Class 252/187.26)
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Patent number: 9730870Abstract: Sodium hypochlorite-based compositions that are non-toxic and have antimicrobial and cleansing properties may include from about 0.025% to about 10% by weight of sodium hypochlorite. For example, the compositions may include less than 1% by weight of sodium hypochlorite (e.g., less than 0.5% by weight of sodium hypochlorite). The compositions may further include sodium laureth sulfate, cocamidopropyl betaine, cocamide MEA, disodium EDTA, and deionized water. Such compositions may be applied externally to a mammalian body through rinse-off or leave-on applications. Compositions also may be incorporated as a component of other products, such as deodorants, towelettes, or powders.Type: GrantFiled: June 29, 2015Date of Patent: August 15, 2017Assignee: TopMD, Inc.Inventors: Azam Anwar, Clay J. Cockerell
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Patent number: 8945630Abstract: A method for preparing a stabilized antimicrobial hypochlorous acid solution by diluting an aged stock solution to provide a hypochlorous acid solution at a concentration of about 50 to about 7000 ppm at a pH range of about 2.8 to about 4.0. The antimicrobial hypochlorous acid solution maintains at least 75 percent of the available chlorine present over a period of about 6 months to about 12 months. The antimicrobial hypochlorous acid solution has medical applications in humans and veterinary practice, both prophylactic and therapeutic. The solution can also be used for non-medical applications in antisepsis and sterilization of surfaces.Type: GrantFiled: April 11, 2008Date of Patent: February 3, 2015Assignee: Aquilabs S.A.Inventor: Justo Leonardo Calderon
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Patent number: 8557178Abstract: Corrosion inhibitor compositions and methods of use are disclosed. Corrosion inhibitors are selected from polyacrylate and calcium corrosion inhibitors, zinc and calcium corrosion inhibitors and/or sugar acids and calcium corrosion inhibitors combined with hypochlorite sources provide use solutions for effective corrosion inhibition for metal surfaces.Type: GrantFiled: July 13, 2012Date of Patent: October 15, 2013Assignee: Ecolab USA Inc.Inventors: Erik C. Olson, Kim R. Smith, Steven E. Lentsch, Sherri L. Tischler
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Patent number: 8496853Abstract: Corrosion inhibitor compositions and methods of use are disclosed. Zinc and calcium corrosion inhibitors combined with hypochlorite sources provide use solutions for effective corrosion inhibition for metal surfaces.Type: GrantFiled: June 12, 2012Date of Patent: July 30, 2013Assignee: Ecolab USA Inc.Inventors: Erik C. Olson, Kim R. Smith, Steven E. Lentsch
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Patent number: 8491864Abstract: A method for continuous manufacture of higher-strength, lower-salt, aqueous sodium hypochlorite bleach from lower-strength aqueous sodium hypochlorite bleach that has some sodium hydroxide and that is essentially free of sodium chloride (salt) crystals, aqueous sodium hydroxide solution having a concentration by weight within a range from about 45% to about 51%, chlorine in gas and/or liquid phase that may or may not include inerts, and a recycle solution. Slurry is withdrawn from the tank at a level below where the lower-strength bleach, the sodium hydroxide solution, the chlorine, and the recycle solution begin to mix with slurry already in the tank. A first portion of the slurry is withdrawn and used as the recycle solution. A second portion of the slurry is withdrawn and processed to separate substantially all salt crystals from residual liquid that is recovered as the higher-strength lower-salt, aqueous sodium hypochlorite bleach.Type: GrantFiled: December 29, 2006Date of Patent: July 23, 2013Assignee: Powell Technologies LLCInventors: Duane J Powell, Robert B. Bebow, Brent J. Hardman
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Patent number: 8343380Abstract: Corrosion inhibitor compositions and methods of use are disclosed. Sugar acids and calcium corrosion inhibitors combined with hypochlorite sources provide use solutions for effective corrosion inhibition for metal surfaces.Type: GrantFiled: November 9, 2011Date of Patent: January 1, 2013Assignee: Ecolab USA Inc.Inventors: Kim R. Smith, Erik C. Olson, Steven E. Lentsch
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Patent number: 8337717Abstract: The present invention provides for a method of generating an aqueous solution comprising chlorine dioxide using a chlorine-containing chemical oxidant; an effector having the capacity to reduce said chlorine-containing chemical oxidant; a chemical reductant; and water, and operating in either batch or continuous-flow modes. In batch mode, the aqueous chlorine dioxide solution can be generated in a sprayer device, a bottle, or a bucket to disinfect objects by spraying and wiping, by pouring, or by immersion, respectively. In continuous-flow mode, the aqueous chlorine dioxide solution can be generated in flow tubes or continuous-stirred tank reactors, then placed inside a suitable sprayer device, bottle, or bucket.Type: GrantFiled: January 8, 2008Date of Patent: December 25, 2012Assignee: The United States of America as Represented by the Secretary of the ArmyInventors: Christopher J. Doona, Florence E. Feeherry, Kenneth Kustin, Maria Curtin
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Patent number: 8309508Abstract: A cleaning substrate which comprises at least one layer of a solid hypohalite precipitate, wherein the hypohalite precipitate is formed in situ on the layer of substrate material. A process for making a fibrous cleaning substrate comprising the steps of: a) providing at least one layer of fibrous material; b) exposing the fibrous layer to an aqueous alkaline earth salt solution; c) treating the fibrous layer with a hypochlorite solution; d) allowing the aqueous alkaline earth salt solution combine with the hypochlorite solution to form a solid hypochlorite precipitate around the fibers in the fibrous material and a liquid phase, and e) removing at least 65% of the liquid phase from the fibrous substrate.Type: GrantFiled: December 3, 2010Date of Patent: November 13, 2012Assignee: The Clorox CompanyInventors: Marc P. Privitera, William L. Smith, Edward Jason White, Leslie N. Adams
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Patent number: 8268770Abstract: A cleaning substrate which comprises at least one layer of a solid hypohalite precipitate, wherein the hypohalite precipitate is formed in situ on the layer of substrate material. A process for making a fibrous cleaning substrate comprising the steps of: a) providing at least one layer of fibrous material; b) exposing the fibrous layer to an aqueous alkaline earth salt solution; c) treating the fibrous layer with a hypochlorite solution; d) allowing the aqueous alkaline earth salt solution combine with the hypochlorite solution to form a solid hypochlorite precipitate around the fibers in the fibrous material and a liquid phase, and e) removing at least 65% of the liquid phase from the fibrous substrate.Type: GrantFiled: January 28, 2011Date of Patent: September 18, 2012Assignee: The Clorox CompanyInventors: Marc P. Privitera, William L. Smith, Edward Jason White, Leslie N. Adams
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Publication number: 20120156313Abstract: Corrosion inhibitor compositions and methods of use are disclosed. Sugar acids and calcium corrosion inhibitors combined with hypochlorite sources provide use solutions for effective corrosion inhibition for metal surfaces.Type: ApplicationFiled: November 9, 2011Publication date: June 21, 2012Applicant: ECOLAB USA INC.Inventors: Kim R. Smith, Erik C. Olson, Steven E. Lentsch
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Patent number: 8114343Abstract: Corrosion inhibitor compositions and methods of use are disclosed. Zinc and calcium corrosion inhibitors combined with hypochlorite sources provide use solutions for effective corrosion inhibition for metal surfaces.Type: GrantFiled: December 21, 2010Date of Patent: February 14, 2012Assignee: Ecolab USA, Inc.Inventors: Kim R. Smith, Erik C. Olson, Steven E. Lentsch
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Patent number: 8114344Abstract: Corrosion inhibitor compositions and methods of use are disclosed. Sugar acids and calcium corrosion inhibitors combined with hypochlorite sources provide use solutions for effective corrosion inhibition for metal surfaces.Type: GrantFiled: December 21, 2010Date of Patent: February 14, 2012Assignee: Ecolab USA Inc.Inventors: Kim R. Smith, Erik C. Olson, Steven E. Lentsch
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Patent number: 8105531Abstract: Corrosion inhibitor compositions and methods of use are disclosed. Polyacrylate and calcium corrosion inhibitors combined with hypochlorite sources provide use solutions for effective corrosion inhibition for metal surfaces.Type: GrantFiled: December 21, 2010Date of Patent: January 31, 2012Assignee: Ecolab USA Inc.Inventors: Kim R. Smith, Erik C. Olson, Steven E. Lentsch
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Patent number: 8008238Abstract: The aim of the invention is to diminish the odor, often perceived as unpleasant, that is left behind on human skin, in particular on the hands as a result of contact with agents containing chlorine bleach after use of the agent. This was achieved by the use of odorants selected from the group comprising diphenylmethane, diphenyl oxide, 2-methyl naphtyl ether, and mixtures thereof.Type: GrantFiled: June 4, 2008Date of Patent: August 30, 2011Assignee: Henkel AG & Co. KGaAInventors: Carlos Malet, Mercedes Mendoza Cruz, Pilar Ibanez, Miguel Osset
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Publication number: 20100175198Abstract: The present invention provides an aqueous bleaching composition comprising from about 1.0% to 10.0% by weight of alkali metal hypochlorite, from about 0.05% to 5.0% by weight of alkali metal hydroxide to provide the composition with a pH in the range of from about 9 to 14; from about 0.02% to 5.0% by weight of a metal silicate or mixtures of metal silicates; from about 0.0001% to 0.2% by weight of a metal periodate; and water. The compositions reliably protect the fabric against yellowing and weakening while providing protection to stainless steel metal parts of the washing machine and metal garment decors such as buckles, buttons, etc.Type: ApplicationFiled: January 22, 2009Publication date: July 15, 2010Applicant: KIK CUSTOM PRODUCTS INC.Inventor: Hedeliza Malonzo Mercado
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Publication number: 20100084605Abstract: The present invention pertains to a process for preparing a concentrated alkali metal hypochlorite solution by reacting chlorine with an alkali metal hydroxide to form alkali metal hypochlorite, alkali metal chloride, and water, wherein one or more aqueous solutions comprising an alkali metal hydroxide and alkali metal hypochlorite are led in a swirling flow through one or more inlet pipes of a reaction vessel, wherein chlorine is injected into said reaction vessel at its top part and flows downwards through said one or more inlet pipes, and wherein the outflow openings of the one or more inlet pipes are arranged such that the solution leaving said outflow openings, being supersaturated with alkali metal chloride, is directed through a fluidized bed of said alkali metal chloride, while the flow direction is converted upwards through said fluidized bed.Type: ApplicationFiled: November 30, 2007Publication date: April 8, 2010Applicant: AKZO NOBEL N.V.Inventors: Hendrikus Wilhelmus Bakkenes, Mateo Jozef Jacques Mayer, Gerhard Fokko Remmers, Jan Visser
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Patent number: 7578991Abstract: A process for efficient, low-pressure production of sodium or potassium hypochlorite. A liquid containing hypochlorite is introduced into a mixing chamber to create a dispersed liquid phase moving generally downward through the mixing chamber. Cl2 is introduced into the mixing chamber to create a continuous gas phase containing Cl2 moving in concurrent flow, while reacting, with the dispersed liquid phase to produce hypochlorite. The reactants are constrained to pass through a static mixer that aids the reaction without causing any substantial foaming in aqueous hypochlorite that collects at the bottom of the mixing.Type: GrantFiled: June 6, 2005Date of Patent: August 25, 2009Assignee: Powell Technologies LLCInventor: Duane Powell
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Patent number: 7175824Abstract: A process and apparatus for the manufacture of high-strength, low-salt sodium hypochlorite. An aqueous solution that comprises certain weight percentages of sodium hypochlorite and sodium hydroxide and that is essentially free of sodium chloride (salt) crystals, an aqueous solution that comprises a certain weight percentage of sodium hydroxide, and chlorine in gas and/or liquid phase that may or may not include inerts are reacted in a tank. This creates a solution having a precipitation zone where salt crystals are precipitating out of solution and falling downward to form a slurry, some of which is withdrawn, then cooled, and then re-introduced into the precipitation zone. Above the precipitation zone is a crystal-free mother liquor zone consisting essentially of crystal-free mother liquor containing a weight percentage of sodium hypochlorite greater than that of than the lower strength aqueous sodium hypochlorite bleach being reacted.Type: GrantFiled: July 11, 2005Date of Patent: February 13, 2007Assignee: Powell Technologies LLC a Michigan Limited Liability CompanyInventors: Duane J Powell, Robert B. Bebow, Brent J. Hardman
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Patent number: 7056538Abstract: Sodium hypochlorite disinfectant solution having a pH of between 10.1 and 10.7 and comprising from 0.021 to 5.76% (w/v) of sodium hypochlorite and, relative to the said amount of sodium hypochlorite, not more than 2% of sodium chlorate.Type: GrantFiled: July 23, 2002Date of Patent: June 6, 2006Assignee: Aziende Chimiche Riunite Angelini Francesco A.C.R.A.F. S.p.A.Inventors: Mario Pinza, Marcello Marchetti
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Patent number: 6824705Abstract: The present invention relates to the use of ethyl tricyclo [5.2.1.025] decan-2-carboxylate in a hypochlorite containing products to reduce the bleach odor on skin, when such products come in contact with human skin.Type: GrantFiled: May 19, 2003Date of Patent: November 30, 2004Assignee: Colgate-Palmolive Co.Inventors: Hedeliza Malonzo Mercado, Colette Lallemant, Pierre Boudot, John N. Labows
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Publication number: 20040232381Abstract: Sodium hypochlorite disinfectant solution having a pH of between 10.1 and 10.7 and comprising from 0.021 to 5.76% (w/v) of sodium hypochlorite and, relative to the said amount of sodium hypochlorite, not more than 2% of sodium chlorate.Type: ApplicationFiled: June 22, 2004Publication date: November 25, 2004Inventors: Mario Pinza, Marcello Marchetti
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Patent number: 6793846Abstract: The present invention provides a bactericide composition comprising hypochlorous acid or a salt thereof. In particular, the present invention provides a liquid bactericide composition comprising an aqueous solution comprising hypochlorous acid and/or a salt thereof, a surfactant (B) and a pH adjusting agent (C), and having a ph valve in the range of 3 to 8 at 25° C.Type: GrantFiled: August 12, 2002Date of Patent: September 21, 2004Assignee: Kao CorporationInventors: Kiyoaki Yoshikawa, Yoshihiro Yamazaki, Tetsuya Okano, Shigeru Tamura, Noboru Matsuo, Sumitoshi Ito
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Patent number: 6602442Abstract: A dry disinfectant composition for the production of aqueous solutions of chlorine dioxide of predetermined concentration is formulated of a mixture of lithium hypochlorite, sodium bisulfate and sodium chlorite. Special liquid and dry formulations are also contemplated for convenience of use, for quality assurance and for safety.Type: GrantFiled: October 12, 2000Date of Patent: August 5, 2003Assignee: Vulcan ChemicalsInventor: Anthony R. Pitochelli
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Patent number: 6582681Abstract: The invention relates to a method and a preparation for cleaning tooth root surfaces and surrounding tissue (periodontal pockets). The preparation is a two-component liquid of the type that has previously been used for chemical-mechanical treatment of carious lesion. The active component in the liquid is a hypochlorite, preferably sodium hypochlorite, and the other component in the liquid is a component which reduces the aggressiveness of the hypochlorite on healthy tissue and which also increases the viscosity of the liquid. The preparation is applied on the tooth root surface in question by means of a brush or an applicator instrument. After 10-15 seconds the root surface is cleaned by means of a scraping instrument.Type: GrantFiled: June 4, 2001Date of Patent: June 24, 2003Assignee: Mediteam Dentalutveckling I Goteborg ABInventor: Rolf Bornstein
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Patent number: 6572842Abstract: The invention relates to a preparation for chemical-mechanical treatment of caries by means of a caries-dissolving two-component liquid. One of the components is an active, caries dissolving component and the other a component which reduces the aggressiveness of the active component to mucous membranes. The active component is a chloride compound comprising active chlorine, i.e. chlorine having a charge state of +1, Cl(+1), which chloride has a somewhat lower reactivity than sodium hypochlorite and then also a somewhat reduced dissolving effect on the carious substance.Type: GrantFiled: October 17, 2001Date of Patent: June 3, 2003Assignee: Mediteam Dental, ABInventors: Rolf Bornstein, Lennart Carlsson, Stefan Dahlin
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Publication number: 20030039581Abstract: An apparatus for delivering dissolved chlorine dioxide into a water system comprises sources for acid, a chlorite, and a chlorine donor solutions and metering pumps. The solutions are mixed whereby chlorine dioxide is generated, which is then fed into a water system.Type: ApplicationFiled: September 25, 2002Publication date: February 27, 2003Inventors: Timothy John Parkinson, Arthur Harris
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Patent number: 6455751Abstract: A gel composition containing oxidizing agents and thickening or gelling agents is used to detoxify chemical and biological agents by application directly to a contaminated area. The gelling agent is a colloidal material, such as silica, alumina, or alumino-silicate clays, which forms a viscous gel that does not flow when applied to tilted or contoured surfaces. Aqueous or organic solutions of oxidizing agents can be readily gelled with less than about 30% colloidal material. Gel preparation is simple and suitable for field implementation, as the gels can be prepared at the site of decontamination and applied quickly and uniformly over an area by a sprayer. After decontamination, the residue can be washed away or vacuumed up for disposal.Type: GrantFiled: September 9, 1999Date of Patent: September 24, 2002Assignee: The Regents of the University of CaliforniaInventors: Dennis M. Hoffman, Raymond R. McGuire
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Patent number: 6333054Abstract: A thixotropic, non-cytotoxic, topical hydrogel that contains a proven safe and effective, broad spectrum, antimicrobial agent based on a unique electrolytically derived sodium hypochlorite solution.Type: GrantFiled: October 21, 1999Date of Patent: December 25, 2001Assignee: Amuchina S.p.A.Inventor: Wallace Rogozinski
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Patent number: 6211131Abstract: Sequestering agents for use as a whitening and fabric strength enhancer for aqueous hypochlorite bleach compositions are provided. It was found that the sequesterants when used with hypochlorite in the presence of soluble heavy metal ions, particularly iron and manganese ions, provide significantly improved whitening and fabric protection. Most preferably, the sequesterants are selected from polyacrylic acid, a polyacrylic acid derivative, a copolymer of acrylic acid or methacrylic acid and a comonomer which is maleic acid or maleic anhydride and mixtures thereof.Type: GrantFiled: November 13, 1997Date of Patent: April 3, 2001Assignee: The Clorox CompanyInventors: Thomas W. Kaaret, William L. Smith
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Patent number: 6207201Abstract: A first embodiment of the present invention is directed to an aqueous disinfectant solution comprising an alkali metal or alkaline earth metal hypochlorite, an amount of base sufficient to raise the pH of the solution to at least 12, and water. A second embodiment of the present invention is directed to a method for sterilizing medical and dental instruments and hard surfaces which comprises contacting the medical or dental instruments or hard surfaces with an aqueous disinfecting solution comprising an alkali metal or alkaline earth metal hypochlorite, an amount of a base sufficient to raise the pH of the solution to at least 12, and water, for a time sufficient to disinfect the medical or dental instruments or hard surface.Type: GrantFiled: May 23, 1997Date of Patent: March 27, 2001Assignee: Amuchina International, Inc.Inventor: Giuseppe Piacenza
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Patent number: 6197215Abstract: A dry disinfectant composition for the production of aqueous solutions of chlorine dioxide is formulated of a mixture of lithium hypochlorite, sodium bisulfate and sodium chlorite.Type: GrantFiled: February 25, 1999Date of Patent: March 6, 2001Assignee: Vulcan ChemicalsInventor: Anthony R. Pitochelli
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Patent number: 6187221Abstract: A controlled release bleach thickening composition comprising bleach, water, and 0.1 to 50 weight percent, based on the total weight of the controlled release bleach thickening composition, of at least one crosslinked carboxylated polymer which is prepared from 30 to 80 weight percent of at least one ethylenically unsaturated hydrophilic monomer, from 20 to 70 weight percent of at least one ethylenically unsaturated hydrophobic monomer, and from about 0.5 to about 10 weight percent of a degradable crosslinking monomer selected from the group consisting of a crosslinking monomer having at least two ethylenically unsaturated moieties, a crosslinking monomer having at least one ethylenically unsaturated moiety and at least one functional group capable of reacting with another functional group on a monomer to form a degradable crosslink, and combinations thereof. In the controlled release bleach thickening compositions, the solubility of the polymer is suppressed by crosslinking.Type: GrantFiled: May 12, 1999Date of Patent: February 13, 2001Assignee: National Starch and Chemical Investment Holding CorporationInventors: Christopher G. Gore, Sonya M. Steele