Group Iia Metal Containing Patents (Class 252/389.61)
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Patent number: 12098104Abstract: The invention provides novel methods and novel additive compositions and use thereof in a wide range of concrete production for improving properties of concrete materials, such as durability and aestheticity. The methods and compositions of the invention may be applied in a variety of cement and concrete components in the infrastructure, construction, pavement and landscaping industries.Type: GrantFiled: May 11, 2022Date of Patent: September 24, 2024Assignee: SOLIDIA TECHNOLOGIES, INC.Inventors: Ahmet Cuneyt Tas, Deepak Ravikumar, Jason E. Bryant
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Patent number: 11014946Abstract: The objectives of the present invention are: to provide a novel tetrazole silane compound, a method for synthesizing the same, and a silane coupling agent containing the tetrazole silane compound as a component; and to provide a surface treatment solution using the tetrazole silane compound, a method for surface treatment, and a method for adhering two different materials. The tetrazole silane compound according to the present invention is a compound represented by chemical formula (I). (In formula (I), X, R, and n are respectively the same as defined in the specification.Type: GrantFiled: July 31, 2018Date of Patent: May 25, 2021Assignee: SHIKOKU CHEMICALS CORPORATIONInventors: Noriaki Yamaji, Takayuki Murai, Miya Tanioka, Shusaku Iida, Masato Katsumura, Takahito Imamine, Masahiko Tsujino, Tomoya Mae, Hirohiko Hirao
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Patent number: 10975108Abstract: The objectives of the present invention are: to provide a novel tetrazole silane compound, a method for synthesizing the same, and a silane coupling agent containing the tetrazole silane compound as a component; and to provide a surface treatment solution using the tetrazole silane compound, a method for surface treatment, and a method for adhering two different materials. The tetrazole silane compound according to the present invention is a compound represented by chemical formula (I). (In formula (I), X, R, and n are respectively the same as defined in the specification.Type: GrantFiled: July 31, 2018Date of Patent: April 13, 2021Assignee: SHIKOKU CHEMICALS CORPORATIONInventors: Noriaki Yamaji, Takayuki Murai, Miya Tanioka, Shusaku Iida, Masato Katsumura, Takahito Imamine, Masahiko Tsujino, Tomoya Mae, Hirohiko Hirao
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Patent number: 10525157Abstract: Alkaline in-use solutions that may be used to disinfect and/or sanitize hard surfaces and which may act as anti-biofilm agents, comprise a disinfectant/sanitizer cleaner solution and an activator solution that are mixed together to form the alkaline in-use solutions. Disinfectant/sanitizer cleaner solution may comprise quaternary ammonium compound and hydrogen peroxide. Activator solution may comprise alkaline buffering agent, chelating agent and soluble silicon dioxide.Type: GrantFiled: July 31, 2017Date of Patent: January 7, 2020Assignee: Sterilex, LLCInventors: Edward Fu, Mark Wozniak, Chris Bergstrom
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Patent number: 10408118Abstract: An engine coolant monitoring system for a machine is disclosed. The engine coolant monitoring system may have a test device configured to test a fluid sample of an engine coolant. The engine coolant monitoring system may also have a database configured to store a test result generated by the test device, the test result including a plurality of characteristics of the fluid sample. In addition, the engine coolant monitoring system may have a controller. The controller may be configured to access a rule-set associated with the engine coolant from the database, the rule-set having criteria associated with the characteristics. The controller may also be configured to label the engine coolant as normal when the characteristics of the fluid sample satisfy the criteria and label the engine coolant as abnormal when the characteristics do not satisfy at least one criterion included in the rule-set.Type: GrantFiled: April 13, 2016Date of Patent: September 10, 2019Assignee: Caterpillar Inc.Inventors: Thomas J. DeVenney, Douglas P. Hunsicker
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Patent number: 9873535Abstract: The present invention concerns a composition and method of using non-molybdate corrosion inhibitors in sterilizing and pasteurizing applications. The composition is a blend of one or more components including corrosion inhibitors, surfactants, hydrotropes, polymer dispersants, pH adjusting agents and water. The composition may include two or more of a) alkyl-dicarboxylic acid; b) phosphono-carboxylic acid; c) tri(amino-carboxylic acid); d) anionic polymer dispersant; e) non-ionic surfactant; f) inorganic phosphate; g) phosphonotricarboxylic acid; and h) hydrotrope. Specifically, the composition may comprise sebacic acid, hydroxyphosphonoacetic acid, and 6,6?,6?-(1,3,5-triazine-2,4,6-triyltriimino)tris-hexanoic acid. Optionally, the composition can further comprise a co-polymer of acrylic acid and allyl-2-hydroxy-propyl-sulfonate ether (AA/AHPSE), 2-phosphono-1,2,4-butane-tricarboxylic acid, sodium phosphate monobasic or phosphoric acid, ?-decyl-?-hydroxy-poly(oxy-1,2ethanediyl), and sodium cumenesulfonate.Type: GrantFiled: June 19, 2012Date of Patent: January 23, 2018Assignee: Genral Electric CompanyInventors: Zhendong Liu, Donald A. Meskers, Jr., Peter Scheidel
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Patent number: 8932492Abstract: The present invention relates to an energy-saving anti-corrosive metal film composition and manufacturing method for the same. The energy-saving anti-corrosive metal film composition includes: at least one metal powder selected from the group consisting of aluminum, magnesium, and alloys thereof, having particle size of 5-10 um; a first sol-gel resin selected from the group consisting of zirconium tetra-n-butanolate, zirconium butoxide, isopropyl titanate, and mixtures thereof; a second sol-gel resin selected from the group consisting of tris[3-(trimethoxysilyl)propyl] isocyanurate, gamma-meta-acryloxypropyl trimethoxysilane and n-phenyl-gamma-aminopropyltrimetoxysilane, and mixtures thereof; and a solvent.Type: GrantFiled: January 27, 2011Date of Patent: January 13, 2015Assignee: L'Beste Gat Ltd.Inventors: Hyung Oh Lee, Hyun Min Kim, Jeung Euy Song, Soo Ryang Park
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Patent number: 8911542Abstract: The invention relates to an anti-corrosive composition comprising an active material of formula I wherein R is an aliphatic chain of C12 to C20 and n?20; an anti-corrosive pigment, a filler mixture, and a diluent or carrier. The invention also relates to a process for preparing the anticorrosive composition and a metal substrate having a coating comprising the anti-corrosive composition.Type: GrantFiled: December 15, 2011Date of Patent: December 16, 2014Assignee: 3M Innovative Properties CompanyInventors: Samir H. Soni, Dhritisunder Bhattacharya
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Patent number: 8628689Abstract: The invention relates to a low temperature-curable coating composition comprising a film-forming resin, a curing agent for the film-forming resin, and a lithium salt.Type: GrantFiled: April 2, 2010Date of Patent: January 14, 2014Assignee: Akzo Nobel Coatings International B.V.Inventors: Peter Visser, Scott Alan Hayes
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Patent number: 8603392Abstract: Corrosion-inhibited hypochlorite compositions and methods of use are disclosed. Corrosion inhibitors including sugar acids and calcium compounds, polyacrylate and calcium compounds, and/or zinc and calcium compounds are used with hypochlorite sources to enhance the longevity and performance of electrochemical cells as well as reducing corrosion of metal in contact with the generated hypochlorite sources. The methods for generation employ a variety of electrochemical cells, beneficially including use of portable electrochemical cell system for production of corrosion-inhibited hypochlorite cleaning solutions.Type: GrantFiled: June 25, 2012Date of Patent: December 10, 2013Assignee: Ecolab USA Inc.Inventors: Jenna Johnson, Kim R. Smith, Erik C. Olson, Steven E. Lentsch
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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: 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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Publication number: 20120305832Abstract: Compositions which inhibit corrosion and alter the physical properties of concrete (admixtures) are prepared from salt mixtures of hydroxycarboxylic acids, carboxylic acids, and nitric acid. The salt mixtures are prepared by neutralizing acid product mixtures from the oxidation of polyols using nitric acid and oxygen as the oxidizing agents. Nitric acid is removed from the hydroxycarboxylic acids by evaporation and diffusion dialysis.Type: ApplicationFiled: August 16, 2012Publication date: December 6, 2012Inventors: Donald E. Kiely, Kirk R. Hash, Kylie Kramer-Presta, Tyler N. Smith
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Patent number: 8287764Abstract: The invention relates to coated particles comprising a core material and a shell and wherein said core material is an organic compound and wherein said shell comprises a layered double hydroxide comprising a hydroxide or an organic anion as charge-balancing anion.Type: GrantFiled: July 20, 2009Date of Patent: October 16, 2012Assignee: Akzo Nobel N.V.Inventors: Cornelis Elizabeth Johannus Van Lare, Auke Gerardus Talma, Hendrika Petronella Maria Verlaan-Hooft
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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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Publication number: 20120025142Abstract: The invention relates to a low temperature-curable coating composition comprising a film-forming resin, a curing agent for the film-forming resin, and a lithium salt.Type: ApplicationFiled: April 2, 2010Publication date: February 2, 2012Applicant: Akzo Nobel Coatings International B.V.Inventors: Peter Visser, Scott Alan Hayes
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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: 8088846Abstract: The present invention is directed to novel organometallic complexes as catalysts for the reaction of compounds with isocyanate and hydroxyl functional groups to form urethane and/or polyurethane and the process employing such catalysts. More particularly, the present invention is directed to novel complexes of zinc(II) with substituted amidines. These novel catalysts are useful for the production of urethanes and polyurethanes which are important in many industrial applications.Type: GrantFiled: September 18, 2008Date of Patent: January 3, 2012Assignee: King Industries, Inc.Inventors: Bing Hsieh, Ramanathan Ravichandran, Farouk Abi-Karam
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Patent number: 7989075Abstract: Provided is a chromium-free, low-temperature curable, metal-surface treatment composition comprising 5 to 30 parts by weight of a silane compound having an epoxy group and a silane compound having an amino group or a hydrolytic condensate thereof; 0.1 to 5 parts by weight of a vanadium compound; 0.1 to 5 parts by weight of a magnesium compound; 1 to 10 parts by weight of organic/inorganic acids; 0.05 to 2 parts by weight of a crosslinking accelerating and coupling agent; 0.01 to 1 part by weight of an antifoaming agent; 1 to 2 parts by weight of a wetting agent; and the balance of water and ethanol, based on 100 parts by weight of the total solution. In addition, a steel sheet coated with the above-described metal-surface treatment composition is low-temperature curable and provides anticorrosiveness while containing no chromium components.Type: GrantFiled: June 20, 2006Date of Patent: August 2, 2011Assignees: POSCO, Daehan Parkerizing Co., Ltd.Inventors: Yeong-Sool Jin, Sung-Mun Keom, Jin-Tae Kim
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Publication number: 20110133128Abstract: The invention relates to coated particles comprising a core material and a shell and wherein said core material is an organic compound and wherein said shell comprises a layered double hydroxide comprising a hydroxide or an organic anion as charge-balancing anion.Type: ApplicationFiled: July 20, 2009Publication date: June 9, 2011Applicant: Akzo Nobel N.V.Inventors: Cornelis Elizabeth Johannus Van Lare, Auke Gerardus Talma, Hendrika Petronella Maria Verlaan-Hooft
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Patent number: 7820076Abstract: The invention relates to an oleaginous mildew and corrosion-inhibiting composition, and the use of said composition to protect metal from corrosion and mildew. The composition comprises, in parts by weight, from about 20 to 60 parts of an oleaginous material such as a lubricating oil, 10 to 40 parts of organic solvent, 20 to 60 parts of corrosion-inhibitor consisting of a sulfonic acid-carboxylic acid metal complex or a mixture of said metal complex with a small but effective amount of an oil soluble alkyl phosphate, from 0.1 to 2.0 parts of an oil soluble antioxidant, from 0.0 to 5.0 parts of a water-displacing compound, an effective amount of a mildew-inhibiting compound, and from 0.0 to 1.0 part of a heterocyclic metal deactivator.Type: GrantFiled: December 20, 2005Date of Patent: October 26, 2010Assignee: The United States of America as represented by the Secretary of the NavyInventors: El Sayed S. Arafat, Craig A. Matzdorf, James A. Whitfield
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Publication number: 20100233471Abstract: The anti-corrosion coating material contains corrosion inhibiting inorganic constituents, or a combination of inorganic and organic corrosion inhibiting constituents, suspended in a polymeric resin. The corrosion resistant composition includes a salt of inorganic constituents, and alkaline polyamine fatty acid salt (PFAS) as a corrosion inhibitor, suspended in a polymeric resin remainder. The coating material may be applied to metal parts but not limited to aircraft fasteners, such as aircraft fastener parts, including nuts and bolts, screws, rivets, and sleeved systems.Type: ApplicationFiled: August 5, 2009Publication date: September 16, 2010Inventors: Jeffrey Hayes, Johan Stephan
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Patent number: 7776233Abstract: The invention relates to an oleaginous corrosion-inhibiting composition, and the use of said composition to protect metal from corrosion. The composition comprises, in parts by weight, from about 20 to 60 parts of lubricating oil, 10 to 40 parts of organic solvent, 20 to 60 parts of corrosion-inhibitor consisting of a sulfonic acid-carboxylic acid metal complex or a mixture of said metal complex with a small but effective amount of an oil soluble alkyl phosphate, from 0.1 to 2.0 parts of an oil soluble antioxidant, from 0.1 to 5.0 parts of a water-displacing compound and from 0.0 to 1.0 part of a metal deactivator.Type: GrantFiled: October 27, 2005Date of Patent: August 17, 2010Assignee: The United States of America as represented by the Secretary of the NavyInventors: El Sayed Arafat, Judy Butler-Kowalik, Kenneth Clark, David L. Gauntt
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Publication number: 20090214883Abstract: Chromium-free, curable corrosion protection composition for primary coating of metallic substrates, which has a pH in the range from 1 to 3 and contains water and a) fluorocomplex ions of titanium and/or zirconium, b), at least one corrosion protection pigment, c) at least one organic polymer which is soluble or dispersible in water in the specified pH range and on its own in aqueous solution at a concentration of 50% by weight has a pH in the range from 1 to 3, process for treating metal strip with this composition and treated metal strip which can be obtained in this way. The organic polymer c) is preferably selected so that it contains at least one monomer selected from among acrylic acid, methacrylic acid, acrylic esters and methacrylic esters as free-radically polymerizable, ethylenically unsaturated monomers and has at least one type of functional groups selected from among epoxy, silane, hydroxy, carboxyl, phosphoric acid and phosphoric ester groups.Type: ApplicationFiled: February 23, 2009Publication date: August 27, 2009Inventors: Ard De Zeeuw, Marcel Roth, Jorg Sander
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Patent number: 7566687Abstract: Improved desulfurization compositions are provided for removing substantial fractions of sulfur, sulfur complexes, and sulfur compounds from liquid hydrocarbons such as crude oil and fuels. The preferred compositions comprise respective quantities of an alkylphenol ethoxylate, an amine, and an alkali metal nitrite. The compositions may be contacted with liquid hydrocarbons to achieve high levels of desulfurization.Type: GrantFiled: October 12, 2005Date of Patent: July 28, 2009Assignee: Jacam Chemical, LLCInventors: Gene H. Zaid, Beth Ann Wolf, Gary W. Zorn
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Patent number: 7541089Abstract: A sheathed posttensioning cable assembly including an elongated metallic cable and a coaxially disposed outer sheath, with the cable assembly including a polymeric resin fiber/filament impregnated with a migratory corrosion inhibitor being inserted within the sheath and extending along the length of the cable. The polymeric resin is preferably polypropylene, polyethylene, nylon, or polyethylene terephthalate, with the corrosion inhibitor comprising a 50:50 blend of sodium benzoate and alkali metal sebacate. The inhibitor preferably comprises between 5% and 10% by weight of the impregnated fiber/filament.Type: GrantFiled: December 10, 2002Date of Patent: June 2, 2009Assignee: Cortec CorporationInventors: Boris A. Miksic, Alla Furman, Margarita Kharshan, Jessica Jackson
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Patent number: 7270766Abstract: “Disclosed is a feed water composition for boilers whose main ingredient is a purified ethylene glycol aqueous solution that is a mixture of purified ethylene glycol and pure water in a weight ratio of 70-90 : 10-30 wt %. The feed water composition comprises 92.1 to 98.8 wt % of the purified ethylene glycol aqueous solution, 0.1 to 2.0 wt % of sodium benrzoate, 0.1 to 1.5 wt % of tolyltriazole, 0.1 to 0.7 wt % of triethanol amine, 0.5 to 1.5 wt % of sodium nitrate, 0.3 to 1.2 wt % of sodium molybdate, and 0.1 to 1.0 wt % of potassium hydroxide.Type: GrantFiled: July 8, 2004Date of Patent: September 18, 2007Inventor: Young Nam Kim
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Patent number: 7048873Abstract: A composition and method for repairing metal reinforced concrete structures by applying a repair coating to surfaces of such damaged structures. The coating composition is a mortar/aggregate mixture blended with fiber reinforcements and containing a quantity of selected migratory corrosion inhibitors. These inhibitors are a mixture of sodium gluconate together with an auxiliary inhibitor consisting of sodium sebacate, potassium sebacate or ammonium benzoate. The fiber reinforcements consist of polypropylene or polyethylene, and are co-extruded with a quantity of the migratory corrosion inhibitors listed above.Type: GrantFiled: March 20, 2002Date of Patent: May 23, 2006Assignee: Cortec CorporationInventors: Boris A. Miksic, Alla Furman, Jessica Jackson
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Patent number: 6833087Abstract: Compositions and methods are disclosed for preventing the oxidative corrosion of metal surfaces by exposing a metal surface to an anti-corrosion agent characterized as 2,4-trans, trans-hexadienoic acid (2,4-HDA), its alkali salt identified as potassium sorbate (KHDA), or other derivatives that conserve or embody the 2,4-trans, trans-hexadiene-type moiety present in their molecular structures as an active anti-corrosion agent (ACA), in combination with a material capable of forming a moisture retentive barrier over the metal surface. The compositions and methods of the invention provide a practical, non-toxic way of ensuring anti-corrosion protection for metals, or devices containing exposed metals, stored or operated in water or in the presence of water vapor.Type: GrantFiled: October 25, 2001Date of Patent: December 21, 2004Assignees: Wonders of Water, LLC, Intellectual Concepts, LLCInventors: Robert A. Beck, Paul D. Manos
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Patent number: 6787065Abstract: The invention concerns the use of a composition or premix based on volatile corrosion inhibitors comprising, in order to limit to a maximum the release and/or degradation of the volatile corrosion inhibitors when the composition or premix is being formed, either an efficient amount of a structuring agent consisting of at least one solid or pasty substance whereof the melting point ranges from 40 to 110° C. preferably from 50 to 90° C., or a liquid substance capable of forming, mixed with a mineral filler, a solid or pasty combination. The invention also concerns a composition based on volatile corrosion inhibitors comprising a composition based on volatile corrosion inhibitors comprising an efficient amount which contains an efficient amount of a solid structuring agent. The invention further concerns polymer based articles having as constituent said composition or premix; said article are useful for protecting metal parts against corrosion.Type: GrantFiled: November 16, 2000Date of Patent: September 7, 2004Assignee: Henkel KGaAInventors: Joseph Schapira, Patrick Droniou, Loic Guillou, Gabriela Stoianovici, Patrick Delalande
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Patent number: 6764615Abstract: Method and formulation for providing multiple sources of migratory corrosion inhibitors to metallic reinforcements embedded in concrete through addition of the inhibitors to the concrete mix. First and second sources of inhibitors are provided with the first source consisting of a powdered corrosion inhibitor consisting of sodium sebacate, potassium sebacate, dicyclohexylammonium nitrite, sodium nitrite, zinc gluconate, sodium gluconate, and calcium nitrite. The second source consists of an in-situ coextruded blend of a migratory corrosion inhibitor in a resin matrix, the second source consisting of a coextruded blend which includes an alkali metal salt of a dibasic acid containing from 8 to 12 carbon atoms together with migratory corrosion inhibitors consisting of alkali metal gluconates, zinc gluconate, and cyclohexylammonium benzoate, with the alkali metal in the inhibitors being sodium, potassium, or calcium.Type: GrantFiled: May 21, 2001Date of Patent: July 20, 2004Assignee: Cortec CorporationInventors: Boris A. Miksic, Alla Furman, Michael Hobday, Jessica Jackson, Zvjezdana Matuzic
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Patent number: 6752934Abstract: Substance combinations which contain (1) an inorganic salt of nitrous acid, (2) a water-insoluble polysubstituted phenol, (3) an aliphatic ester of a dihydroxybenzoic acid, and (4) a tocopherol plus optionally (5) a suitable water vapor-volatile bicyclic terpene or an aliphatically substituted naphthalene which promotes sublimation of the components present in the respective substance combination, especially in air at a relatively high atmospheric humidity, and the use of such substance combinations as vapor phase corrosion inhibitors in packaging or in storage in closed spaces for protection of the conventional metals for use such as iron, chromium, nickel, tin, zinc, aluminum, copper and their alloys against atmospheric corrosion are described.Type: GrantFiled: April 30, 2002Date of Patent: June 22, 2004Assignee: EXCOR Korrosionsforschung GmbHInventors: George Reinhard, Urte Ludwig, Gerhard Hahn
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Publication number: 20040104377Abstract: A corrosion-inhibiting pigment comprising a rare earth element and a valence stabilizer combinded to form a rare earth/valence stabilizer complex. The rare earth element is selected from cerium, terbium, praseodymium, or a combination thereof, and at least one rare earth element is in the tetravalent oxidation state. An inorganic or organic material is used to stabilize the tetravalent rare earth ion to form a compound that is sparingly soluble in water. Specific stabilizers are chosen to control the release rate of tetravalent cerium, terbium, or praseodymium during exposure to water and to tailor the compatibility of the powder when used as a pigment in a chosen binder system. Stabilizers may also modify the processing and handling characteristics of the formed powders. Many rare earth-valence stabilizer combinations are presented that can equal the performance of conventional hexavalent chromium systems.Type: ApplicationFiled: July 23, 2003Publication date: June 3, 2004Inventors: Andrew Wells Phelps, Jeffrey Allen Sturgill, Joseph Thomas Swartzbaugh
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Publication number: 20030173543Abstract: A specific monocarboxylic acid with even-numbered carbon atoms, sebacic acid, or a salt thereof is used as a corrosion inhibitor. Alternatively, a specific aliphatic monocarboxylic acid, sebacic acid, or a salt thereof is blended with a specific aliphatic oxycarboxylic acid, a specific polycarboxylic acid, or a salt thereof to prepare a corrosion inhibitor. These corrosion inhibitors can be used in a cooling water system using low-hardness water and in water systems wherein a water flow velocity above a given level cannot always be secured, whereby a high corrosion control performance can be exhibited without imposing unfriendly loads on the environment.Type: ApplicationFiled: February 28, 2003Publication date: September 18, 2003Applicant: Organo CorporationInventors: Shintaro Someya , Masato Tsuji , Hiroshi Takahashi
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Patent number: 6506263Abstract: An aqueous composition for sealing anodically oxidized aluminum surfaces is described. The composition contains at least one surfactant, a magnesium salt, and a cobalt(II) salt. This composition demonstrates enhanced sealant properties. A method for sealing anodically oxidized aluminum surfaces is also described. In this method, the aluminum is contacted with a composition containing at least one surfactant, a magnesium salt and a cobalt(II) salt.Type: GrantFiled: November 17, 2000Date of Patent: January 14, 2003Assignee: Houghton Metal Finishing CompanyInventors: Mores Basaly, Dana Rothwell
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Publication number: 20020038863Abstract: It has been discovered that ammonia and amines are useful to increase the pH and corrosion resistance of high density brines, such as zinc bromide brines, without significantly reducing their densities. The ammonia or amine additive is preferably incorporated by contacting the brine with the additive which is in the vapor phase. Optionally, a substituted carboxylic acid, such as hydroxy carboxylic acid, may be used to increase the amount of ammonia or amine that can be included in the high density brine without precipitation of salts.Type: ApplicationFiled: October 11, 2001Publication date: April 4, 2002Inventor: Michael L. Walker
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Publication number: 20010022947Abstract: Effective corrosion inhibitors having minimal organic content, particularly suitable for use in municipal drinking water systems, are described. The corrosion inhibiting additive is a stannous salt of a non-carbon acid.Type: ApplicationFiled: December 19, 2000Publication date: September 20, 2001Applicant: A.S. IncorporatedInventor: Olen L. Riggs
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Patent number: 6254980Abstract: A metal plate having a rust preventive organic layer, said rust-preventive organic layer being a colloid or micelle of a slightly water soluble organic corrosion inhibitor as an organic layer mixed with and dispersed in a matrix resin, its production process and a treatment liquid in which it is processed.Type: GrantFiled: June 16, 1998Date of Patent: July 3, 2001Assignee: Nippon Steel CorporationInventors: Kenichiro Tadokoro, Hiromasa Shoji, Tadashi Sakon, Ikuo Jitsuhara, Makoto Yamasaki
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Patent number: 6200499Abstract: Compositions comprising certain amino acids such as aspartic acid, when fully ionized at alkaline pH, function effectively as corrosion inhibitors for ferrous metals in the presence of an aqueous medium. This effect is enhanced with increased fluid velocity.Type: GrantFiled: June 7, 1995Date of Patent: March 13, 2001Assignee: Solutia Inc.Inventors: Dennis J. Kalota, David C. Silverman