Nitrogen Organic Compound Containing Patents (Class 252/394)
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Patent number: 11353794Abstract: Improved stripper solutions for removing photoresists from substrates are provided that typically have freezing points below about 0° C. and high loading capacities. The stripper solutions comprise dimethyl sulfoxide, quaternary ammonium hydroxide, and an alkanolamine having at least two carbon atoms, at least one amino substituent and at least one hydroxyl substituent, the amino and hydroxyl substituents attached to two different carbon atoms. Some formulations can additionally contain a secondary solvent. The formulations do not contain tetramethylammonium hydroxide. Methods for use of the stripping solutions are additionally provided.Type: GrantFiled: December 17, 2018Date of Patent: June 7, 2022Assignee: VERSUM MATERIALS US, LLCInventors: Richard Dalton Peters, Michael T. Phenis
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Patent number: 10829951Abstract: A water conditioning composition includes water; at least one gluconate compound; at least one carbonate compound; a non-ionic preservative; and a phosphate buffer. For example, the composition can include 87-95 wt. % water; 0.5 to 1.5 wt. % gluconate compound; 3 to 8 wt. % carbonate compound; 0.5 to 1.5 wt. % non-ionic preservative; and 0.5 to 2.5 wt. % phosphate buffer.Type: GrantFiled: April 8, 2019Date of Patent: November 10, 2020Assignee: Silk Water Solutions Inc.Inventor: Colin Frank Taylor
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Patent number: 9202709Abstract: A liquid for polishing a metal is provided that is used for chemically and mechanically polishing a conductor film including copper or a copper alloy in production of a semiconductor device, and a polishing method using the metal-polishing liquid is also provided. The liquid includes: (a) colloidal silica particles having an average primary particle size of from 10 nm to 25 nm and an average secondary particle size of from 50 nm to 70 nm; (b) a metal anticorrosive agent; (c) at least one compound selected from the group consisting of a surfactant and a water-soluble polymer compound; (d) an oxidizing agent; and (e) an organic acid.Type: GrantFiled: March 9, 2009Date of Patent: December 1, 2015Assignee: FUJIFILM CorporationInventors: Takamitsu Tomiga, Tomoo Kato, Tadashi Inaba, Masaru Yoshikawa
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Patent number: 9045380Abstract: A novel composition containing a bi-tetrazole having a primary tetrazole ring substituted or connected to a second tetrazole ring by an aliphatic bridge such as an ethyl or ethylene bridge. The composition may be contained within a gas generator as a gas generating composition when combined with an oxidizer such as phase stabilized ammonium nitrate. The gas generator may be contained within a gas generating system such as an airbag inflator or seat belt assembly, or more broadly within a vehicle occupant protection system.Type: GrantFiled: October 31, 2008Date of Patent: June 2, 2015Assignee: TK Holdings Inc.Inventors: Sudhakar R. Ganta, Graylon K. Williams
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Publication number: 20150079290Abstract: The disclosure provides a poly(urea-formaldehyde) microcapsule, which comprises encapsulated in the poly(urea-formaldehyde) microcapsule an organofluorine silane of the general formula (I) A3C(CA2)xSiR1yX(3-y) (I), wherein in formula (I) A is either fluorine (F) or hydrogen (H), wherein at least 50% of atoms A are fluorine. X is chloro or a group RO, wherein R is a linear or branched alkyl radical of 1 to 4 carbon atoms, R1 is a linear, branched or cyclic alkyl group of 1 to 8 carbon atoms, n=0 or 2, y=0 or 1 or 2 and m=0 to 20, encapsulated within the microcapsule. The disclosure also provides self-healing coating compositions comprising such polymeric microcapsules and methods of preventing or slowing corrosion using such coating compositions.Type: ApplicationFiled: March 13, 2013Publication date: March 19, 2015Inventors: Jinglei Yang, Mingxing Huang
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Patent number: 8906267Abstract: The invention relates to substance combinations comprising (1) at least one substituted, preferably polysubstituted, pyrimidine, (2) at least one monoalkylurea, (3) at least one C3 to C5 aminoalkyldiol, and optionally (4) at least one benzotriazole, preferably a benzotriazole which is substituted on the benzene ring. The components may be mixed together or dispersed in water or pre-mixed in a solubiliser that is miscible in any ratio with mineral oils and synthetic oils, such as for example a phenyl alkyl alcohol or an alkylated phenol. Such substance combinations can be used as vapour phase corrosion inhibitors in packagings or during storage in closed spaces for protecting customary utility metals, such as iron, chromium, nickel, tin, zinc, aluminium, copper and alloys thereof, against atmospheric corrosion.Type: GrantFiled: January 28, 2011Date of Patent: December 9, 2014Assignee: Excor Korrosionsforschung GmbHInventors: Georg Reinhard, Peter Neitzel, Gerhard Hahn
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Patent number: 8871988Abstract: Controlling the formation of crystalline hydrates in various fluid systems, most notably, gas and oil transmission pipeline systems by contacting the systems with certain polymers or polymers associated with solid particles. The polymers useful are chelating polymers capable of interacting with charged gaseous molecules such as carbon dioxide, by removing the carbon dioxide, or more practically by scavenging for the carbon dioxide, to prevent the methane or ethane hydrate structures from forming since they require carbon dioxide to stabilize their structures.Type: GrantFiled: December 11, 2010Date of Patent: October 28, 2014Inventor: David Graham
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Patent number: 8795784Abstract: Aqueous oil-in-water emulsion comprising from 1 to 70% by weight, based on the total weight of the emulsion, of functional alkoxysilanes and/or condensed oligomers thereof and/or organoalkoxysiloxanes, at least one emulsifier and water, wherein the emulsion has a pH of from 5 to 9 and preferably a mean droplet size of the disperse phase of ?0.5 ?m, and the width of the droplet size distribution, expressed as the span (Formula I), is from 0.6 to 1.2. The preparation of the emulsions having the desired droplet size distribution is carried out in apparatuses having at least one pressure stage at a pressure of from 2 to 15 MPa. The emulsion can be used for hydrophobicizing porous mineral building materials.Type: GrantFiled: December 8, 2005Date of Patent: August 5, 2014Assignee: Evonik Degussa GmbHInventors: Burkhard Standke, Kerstin Weissenbach, Bernd Bartkowiak
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Patent number: 8779035Abstract: Non-chromated corrosion inhibiting primer formulations having one or more active corrosion inhibitors covalently anchored, or optionally covalently anchored, onto an organic and/or inorganic reactive specie are provided herein.Type: GrantFiled: March 30, 2010Date of Patent: July 15, 2014Assignee: Cytec Technology Corp.Inventors: Kunal Gaurang Shah, Dalip Kumar Kohli
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Patent number: 8765020Abstract: Mitigating or preventing corrosion of metal may be achieved in systems that are alkaline, such as carbon dioxide capture systems. The method may include adding an additive to a system wherein the system is at an alkaline pH; the system has both O2 and CO2 present; or the system is at an alkaline pH and has both O2 and CO2 present. The additive may be selected from the group consisting of: quaternary aromatic amines; quaternary alkyl substituted aromatic amines; and combinations thereof. The corrosion inhibiting properties of the additives may be increased by use of synergistic combinants. The abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.Type: GrantFiled: May 17, 2010Date of Patent: July 1, 2014Assignee: Baker Hughes IncorporatedInventors: Ksenija Babić-Samard{hacek over (z)}ija, Lawrence N. Kremer, David J. Poelker, Vladimir Jovancicevic, Sunder Ramachandran
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Patent number: 8734635Abstract: Elimination and/or mitigation of fouling in a vapor transport systems, such as vent lines and scrubber feed lines may be accomplished using an antifouling additive. The method for employing the antifouling additive includes introducing into the vapor transport system an additive including a polar solvent and corrosion inhibitor wherein: the vapor transport system is substantially water free; the vapor transport system is used to transport acidic materials; the additive is a liquid at vapor transport system operating conditions; and the additive is stable at the vapor transport system operating conditions.Type: GrantFiled: June 18, 2013Date of Patent: May 27, 2014Assignee: Baker Hughes IncorporatedInventors: Roger D. Metzler, Zhenning Gu, Bradley Harrell
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Publication number: 20140041690Abstract: Glycine is an organic compound that can be used in the making of a synthetic acid that obviates all the drawbacks of strong acids such as hydrochloric acid. The new compound is made by dissolving glycine in water, in a weight ratio of approximately 1:1 to 1:1.5. The solution is mixed until the glycine is essentially fully dissolved in the water. Once dissolution is complete, hydrogen chloride gas is dissolved in the solution to produce the new compound, which can be referred to as hydrogen glycine.Type: ApplicationFiled: May 18, 2011Publication date: February 13, 2014Applicant: GREEN PRODUCTS & TECHNOLOGIES, L.L.C.Inventors: John T. MacDonald, II, John Thomas MacDonald, III
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Publication number: 20140027675Abstract: A composition with one or more tetrahydrobenzotriazoles and one or more one or more tetrahydrobenzotriazole activating solvents, wherein the tetrahydrobenzotriazoles are solubilized in the activating solvents in an amount effective to inhibit corrosion of a metal or metal alloy which is corrodible in the presence of copper or copper corroding agents. Also, a method of using this composition to inhibit corrosion of a metal component which has a metal or metal alloy which is corrodible in the presence of copper or copper corroding agents.Type: ApplicationFiled: September 12, 2013Publication date: January 30, 2014Applicant: Wincom, IncInventors: William N. Matulewicz, Peter F. Vogt, James E. Milawski
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Publication number: 20140023553Abstract: A corrosion prevention and control composition and method comprises combining primarily two-component polyurethane foam formed by reacting polyols with an isocyanate compound, and a 2 to 10 percent by weight of either an organic or inorganic gas-phase corrosion inhibitor. The closed cell foam provides a barrier protection for the underlying corrodible surface, while the inhibitor protects the metal from the absorbed moisture vapor, thereby preventing corrosion from occurring at the foam/metal interface. The resulting foam and inhibitor composition maintains better adhesion to the underlying corrodible structure in corrosive environments.Type: ApplicationFiled: November 5, 2012Publication date: January 23, 2014Applicant: U.S. Army Research Laboratory ATTN: RDRL-LOC-IInventor: U.S. Army Research Laboratory ATTN: RDRL-LO
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Patent number: 8617493Abstract: A method and composition for the reduction of the emission of selenium into the environment from the burning of fossil fuels with the use of two chemistries, either individually or in combination with each other. The method uses polydithiocarbamic compounds, including polydithiocarbamic compounds derived from a polymer produced from acrylic-x and alkylamine in conjunction with a scrubber process to capture selenium and reduce its emission in aqueous phase blowdown. The method and composition also helps reduce corrosion in the scrubber process.Type: GrantFiled: February 6, 2012Date of Patent: December 31, 2013Assignee: Nalco CompanyInventors: Bruce A. Keiser, Jitendra T Shah, John V. Meier, Paul J. Zinn, Jianwei Yuan, Raul Espinosa, Rebecca L Stiles, Richard Mimna, Wayne M. Carlson
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Patent number: 8585994Abstract: A method and composition for the reduction of the emission of selenium into the environment from the burning of fossil fuels with the use of two chemistries, either individually or in combination with each other. The method uses polydithiocarbamic compounds, including polydithiocarbamic compounds derived from a polymer produced from acrylic-x and alkylamine in conjunction with a scrubber process to capture selenium and reduce its emission in aqueous phase blowdown. The method and composition also helps reduce corrosion in the scrubber process.Type: GrantFiled: February 6, 2012Date of Patent: November 19, 2013Assignee: Nalco CompanyInventors: Bruce A. Keiser, Jitendra T. Shah, John V. Meier, Paul J. Zinn, Jianwei Yuan, Raul Espinosa, Rebecca L. Stiles, Richard Mimna, Wayne M. Carlson
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Patent number: 8585964Abstract: This invention provides a novel, synergistic composition and method for reducing corrosion, particularly white rust corrosion, on galvanized metal surfaces in industrial water systems. The composition is a synergistic blend and preferably comprises from about 0 to about 10 weight percent of an amine-based white rust corrosion reducer and from about 10 to about 90 weight percent of a benzotriazole. In a method for using the synergistic blend, an effective amount of the blend is introduced onto the galvanized metal surface to form a barrier on the surface. After one or more time intervals, the composition is optionally overlayed onto the initial barrier by reintroducing an effective amount of the composition onto the galvanized metal surface.Type: GrantFiled: January 13, 2009Date of Patent: November 19, 2013Assignee: Nalco CompanyInventors: Kaveh Sotoudeh, Sherman J. Sprague, Frank Fun-Yuee Lu, Tom Kim
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Patent number: 8585930Abstract: A quaternary nitrogen-containing corrosion inhibitor of formula wherein is an aromatic, nitrogen-containing ring of 5 to 14 ring atoms, optionally containing an additional N, O or S ring atom and optionally substituted with one or more alkyl, alkenyl, aryl, arylalkyl, cycloalkyl, amino, aminoalkyl, alkoxy, hydroxylalkyl, or cyano groups, or a mixture thereof; Y is a group of formula —OC(O)R1 or —C(O)R1; L is C1-C10 alkyl, C2-C10 alkenyl or a group of formula —CH2CH(OR2)CH2—; R1 is C8-C20 alkyl or C8-C20 alkenyl; R2 is H or —C(O)R1; R3 and R4 are independently selected from H, alkyl, alkenyl, amino, alkoxy, hydroxylalkyl and cyano; and X is Br, Cl or I is particularly useful for inhibiting corrosion in oil and gas field applications.Type: GrantFiled: September 15, 2010Date of Patent: November 19, 2013Assignee: Nalco CompanyInventor: Laxmikant Tiwari
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Patent number: 8580154Abstract: Disclosed are quaternary ammonium salts containing non-halogen anions such as carbonates, bicarbonates, phosphates, glycolates and mixtures thereof as conversion coatings or additives imparting anti-corrosive properties to paints. The invention relates to a method for inhibiting the corrosion of metal surfaces by applying a composition containing one or more quaternary ammonium carbonate or bicarbonate. The disclosure is also directed to anti-corrosive coatings for metal substrates containing these compounds and to metal substrates having these anticorrosive coatings.Type: GrantFiled: December 24, 2012Date of Patent: November 12, 2013Assignee: Lonza, Inc.Inventors: Thomas C. Bedard, Thomas David Burleigh, Larry K. Hall, Joseph Kimler, Joseph W. Scheblein, Michael Y. Chiang
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Patent number: 8535567Abstract: A composition with one or more tetrahydrobenzotriazoles and one or more one or more tetrahydrobenzotriazole activating solvents, wherein the tetrahydrobenzotriazoles are solubilized in the activating solvents in an amount effective to inhibit corrosion of a metal or metal alloy which is corrodible in the presence of copper or copper corroding agents. Also, a method of using this composition to inhibit corrosion of a metal component which has a metal or metal alloy which is corrodible in the presence of copper or copper corroding agents.Type: GrantFiled: August 3, 2012Date of Patent: September 17, 2013Assignee: Wincom, Inc.Inventors: William N. Matulewicz, Peter F. Vogt, James N. Milawski
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Patent number: 8535569Abstract: A composition with a corrosion inhibitor component having one or more tetrahydrobenzotriazoles and one or more other triazoles; wherein the tetrahydrobenzotriazoles are in a weight ratio to the other triazoles such that the composition decreases the General Corrosion rate, as measured by copper electrodes in the presence of 10 ppm sodium hypochlorite, by at least about 0.05 mpy relative to a corrosion inhibitor component which is 100% of the other triazoles. Also, a method of using this composition to inhibit corrosion of a metal component which has a metal or metal alloy which is corrodible in the presence of copper or copper corroding agents.Type: GrantFiled: August 3, 2012Date of Patent: September 17, 2013Assignee: Wincom, Inc.Inventors: William N. Matulewicz, Peter F. Vogt, James N. Milawski
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Patent number: 8535568Abstract: A composition with one or more tetrahydrobenzotriazoles and one or more one or more tetrahydrobenzotriazole activating solvents, wherein the tetrahydrobenzotriazoles are solubilized in the activating solvents in an amount effective to inhibit corrosion of a metal or metal alloy which is corrodible in the presence of copper or copper corroding agents. Also, a method of using this composition to inhibit corrosion of a metal component which has a metal or metal alloy which is corrodible in the presence of copper or copper corroding agents.Type: GrantFiled: August 3, 2012Date of Patent: September 17, 2013Assignee: Wincom, Inc.Inventors: William N. Matulewicz, Peter F. Vogt, James N. Milawski
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Patent number: 8465640Abstract: Elimination and/or mitigation of fouling in a vapor transport systems, such as vent lines and scrubber feed lines may be accomplished using an antifouling additive. The method for employing the antifouling additive includes introducing into the vapor transport system an additive including a polar solvent and corrosion inhibitor wherein: the vapor transport system is substantially water free; the vapor transport system is used to transport acidic materials; the additive is a liquid at vapor transport system operating conditions; and the additive is stable at the vapor transport system operating conditions.Type: GrantFiled: June 27, 2011Date of Patent: June 18, 2013Assignee: Baker Hughes IncorporatedInventors: Roger D. Metzler, Zhenning Gu, Bradley Harrell
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Patent number: 8460445Abstract: The present invention relates to new coating materials for corrosion control.Type: GrantFiled: May 24, 2012Date of Patent: June 11, 2013Assignee: BASF SEInventors: Konrad Roschmann, Virginie Bette, Stephan Amthor, Hermann Bergmann, Marc Schroeder
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Patent number: 8404157Abstract: Of the many methods provided herein, a method comprising: (a) combining a corrosion inhibitor composition with an aqueous acid solution, the corrosion inhibitor composition comprising a benzylideneaniline compound corresponding to Formula 1 below: wherein R is H, methyl, ethyl, hydroxy, methoxy, ethoxy, bromo, chloro, fluoro, mercapto, dimethylamino, or diethylamino groups and/or a cinnamylideneaniline compound corresponding to Formula 2 below: wherein R is H methyl, ethyl, hydroxy, methoxy, ethoxy, bromo, chloro, fluoro, mercapto, dimethylamino, or diethylamino groups; and contacting a metal surface with the aqueous acid solution.Type: GrantFiled: February 24, 2010Date of Patent: March 26, 2013Assignee: Halliburton Energy Services, Inc.Inventors: Juanita M. Cassidy, Chad E. Kizer, Anupon Sabhapondit
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Patent number: 8337640Abstract: Disclosed are quaternary ammonium salts containing non-halogen anions such as carbonates, bicarbonates, phosphates, glycolates and mixtures thereof as conversion coatings or additives imparting anti-corrosive properties to paints. The invention relates to a method for inhibiting the corrosion of metal surfaces by applying a composition containing one or more quaternary ammonium carbonate or bicarbonate. The disclosure is also directed to anti-corrosive coatings for metal substrates containing these compounds and to metal substrates having these anticorrosive coatings.Type: GrantFiled: November 23, 2010Date of Patent: December 25, 2012Assignee: Lonza, Inc.Inventors: Thomas C. Bedard, Thomas David Burleigh, Larry K. Hall, Joseph Kimler, Joseph W. Scheblein, Michael Y. Chiang
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Publication number: 20120277324Abstract: A variety of betaine esters, including dial kylaminoalkyl cocoate betaines. These betaines were advantageously prepared in high yield and purity by a three-step chemoenzymatic process. These betaine esters have excellent surfactant properties.Type: ApplicationFiled: April 28, 2011Publication date: November 1, 2012Applicant: EASTMAN CHEMICAL COMPANYInventors: Christopher Harlan Burk, Stephanie Kay Clendennen, Neil Warren Boaz
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Publication number: 20120276409Abstract: A method for enhancing the corrosion resistance of an article comprising a silver coating deposited on a solderable copper substrate is provided. The method comprises exposing the copper substrate having the immersion-plated silver coating thereon to an anti-corrosion composition comprising: a) a multi-functional molecule comprising at least one organic functional group that interacts with and protects copper surfaces and at least one organic functional group that interacts with and protects silver surfaces; b) an alcohol; and c) a surfactant.Type: ApplicationFiled: July 10, 2012Publication date: November 1, 2012Applicant: ENTHONE INC.Inventors: Joseph A. Abys, Shenliang Sun, Theodore Antonellis
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Patent number: 8250931Abstract: The present invention relates to a method for inhibiting in a non-aqueous, non-conductive liquid. The present method also relates to a corrosion inhibitor that can be employed in such a liquid. The method can include measuring or detecting the present corrosion inhibitor with a magnetic flow meter.Type: GrantFiled: March 27, 2009Date of Patent: August 28, 2012Assignee: Global Process Technologies, Inc.Inventors: Paul R. Young, Donovan Erickson
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Patent number: 8236204Abstract: A composition with one or more tetrahydrobenzotriazoles and one or more one or more tetrahydrobenzotriazole activating solvents, wherein the tetrahydrobenzotriazoles are solubilized in the activating solvents in an amount effective to inhibit corrosion of a metal or metal alloy which is corrodible in the presence of copper or copper corroding agents. Also a method of using this composition to inhibit corrosion of a metal component which has a metal or metal alloy which is corrodible in the presence of copper or copper corroding agents.Type: GrantFiled: March 11, 2011Date of Patent: August 7, 2012Assignee: Wincom, Inc.Inventors: William N. Matulewicz, Peter F. Vogt, James E. Milawski
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Patent number: 8236205Abstract: A composition with a corrosion inhibitor component having one or more tetrahydrobenzotriazoles and one or more other triazoles; wherein the tetrahydrobenzotriazoles are in a weight ratio to the other triazoles such that the composition decreases the General Corrosion rate, as measured by copper electrodes in the presence of 10 ppm sodium hypochlorite, by at least about 0.05 mpy relative to a corrosion inhibitor component which is 100% of the other triazoles. Also, a method of using this composition to inhibit corrosion of a metal component which has a metal or metal alloy which is corrodible in the presence of copper or copper corroding agents.Type: GrantFiled: March 11, 2011Date of Patent: August 7, 2012Assignee: Wincom, Inc.Inventors: William N. Matulewicz, Peter F. Vogt, James E. Milawski
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Patent number: 8153028Abstract: The present invention relates to novel anticorrosion additives for manufacturing processes, comprising at least one triazole and the reaction product of at least one alkylene glycol and at least one carboxylic anhydride, to a process for preparation thereof and to the use thereof for corrosion protection for aluminum and/or aluminum alloys.Type: GrantFiled: September 28, 2010Date of Patent: April 10, 2012Assignee: Rhein Chemie Rheinau GmbHInventors: Sandra Leimenstoll, Anke Blaul, Reinhard Stier, Isabell Lange, David Larem
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Publication number: 20120074358Abstract: The present invention relates to novel anticorrosion additives for manufacturing processes, comprising at least one triazole and the reaction product of at least one alkylene glycol and at least one carboxylic anhydride, to a process for preparation thereof and to the use thereof for corrosion protection for aluminium and/or aluminium alloys.Type: ApplicationFiled: December 6, 2011Publication date: March 29, 2012Applicant: RHEIN CHEMIE RHEINAU GMBHInventors: Sandra Leimenstoll, Anke Blaul, Reinhard Stier, Isabell Lange, David Larem
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Publication number: 20120053252Abstract: The present invention comprises fluorinated ethoxylated polyurethanes of formula [Rf—(X)n—(CH2CHR1—O)m—CH2CH2—O—C(O)—NH]p-A, wherein Rf is a C1 to C6 perfluoroalkyl; X is a divalent radical; n is 0 or 1; R1 is H or C1 to C4 alkyl; m is 1 to 20; p is a positive integer of at least 2; and A is the residue of a polyisocyanate, and methods for altering surface behavior of liquids using such compounds.Type: ApplicationFiled: August 27, 2010Publication date: March 1, 2012Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Michael Henry Ober, Kathleen L. Kanetsky, Allison Mary Yake
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Publication number: 20120043505Abstract: The invention relates to a transformer oil composition comprising at least one acid interceptor. The invention further relates to the use of acid interceptor in transformer oils for improving stability.Type: ApplicationFiled: February 22, 2010Publication date: February 23, 2012Applicant: RHEIN CHEMIE RHEINAU GMBHInventor: Frank Bongardt
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Patent number: 8105987Abstract: One or more methods for inhibiting corrosion in an aqueous medium that contain a composition with a specified generic formula are disclosed. The aqueous medium can be contained in an oil or gas pipeline or refinery.Type: GrantFiled: October 6, 2008Date of Patent: January 31, 2012Assignee: Nalco CompanyInventors: Erick J. Acosta, Jeffery Caleb Clark
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Patent number: 8105988Abstract: One or more methods for inhibiting corrosion in a fluid that contain a composition with a specified generic formula are disclosed. The fluid can be contained in an oil or gas pipeline or refinery.Type: GrantFiled: March 9, 2009Date of Patent: January 31, 2012Assignee: Nalco CompanyInventors: Erick J. Acosta, Jeffery Caleb Clark
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Publication number: 20120012792Abstract: Elimination and/or mitigation of fouling in a vapor transport systems, such as vent lines and scrubber feed lines may be accomplished using an antifouling additive. The method for employing the antifouling additive includes introducing into the vapor transport system an additive including a polar solvent and corrosion inhibitor wherein: the vapor transport system is substantially water free; the vapor transport system is used to transport acidic materials; the additive is a liquid at vapor transport system operating conditions; and the additive is stable at the vapor transport system operating conditions.Type: ApplicationFiled: June 27, 2011Publication date: January 19, 2012Applicant: BAKER HUGHES INCORPORATEDInventors: Roger D. Metzler, Zhenning Gu, Bradley Harrell
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Patent number: 8058493Abstract: Corrosive amine salts in hydrocarbon streams such as desalted crude oil streams can be prevented or avoided by adding certain amine scavenging chemicals to the streams to remove the amines therefrom. Suitable amine scavengers include, but are not necessarily limited to, carboxylic anhydrides and copolymers of carboxylic anhydrides, aromatic anhydrides, isocyanates, polyisocyanates, and epoxides. The non-corrosive reaction products of the amines and/or ammonia with these scavengers are preferably oil-soluble, non-basic and thermally stable. The amine scavengers bind up and react with the amines and/or ammonia to keep them from reacting with materials such as acids (e.g. HCl) to form corrosive amine salts.Type: GrantFiled: August 8, 2008Date of Patent: November 15, 2011Assignee: Baker Hughes IncorporatedInventors: Joseph L. Stark, George G. Duggan, Walter A. Boyd, Jerry J. Weers
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Publication number: 20110269650Abstract: Base compounds including 1,3-oxazinan-6-one derivatives of N-alkyl or N-alkenyl or N-cycloalkyl or N-aryl propionic acids and paraformaldehyde, and their application as corrosion inhibitors with multifunctional properties serving as inhibitory/dispersant of asphaltene in production processes, transportation, refining and storage of crude oil and derivatives. The corrosion inhibitor with inhibitory/dispersant of asphaltenes properties comprises an active substance base of 1,3-oxaninan-6-ones and hydrocarbon solvents such as benzene, toluene, mixed xylenes, o-xylene, m-xylene and p -xylene, diesel, kerosene, jet fuel, alcohols, aliphatic branched and unbranched alcohols containing from 3 to 10 carbon atoms, such as isopropanol, butanol and pentanol, and mixtures of hydrocarbon solvents with aliphatic branched or unbranched liquid fuels. In addition, a process for obtaining 1,3-oxazinan-6-ones derivatives of N-alkyl or N-alkenyl or N-cycloalkyl or N-aryl propionic acids and paraformaldehyde is described.Type: ApplicationFiled: April 29, 2011Publication date: November 3, 2011Applicant: INSTITUTO MEXICANO DEL PETROLEOInventors: Raúl Hernández Altamirano, Violeta Yasmin Mena Cervantes, Luis Silvestre Zamudio Rivera, Hiram Isaac Beltrán Conde, Eduardo Buenrostro González
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Patent number: 8025840Abstract: Methods and compositions are provided for corrosion inhibition treatment of aqueous systems such as cooling water systems. The methods include conjoint use of a polyvalent metal ion, such as Al or Mn and a corrosion inhibitor/deposit control agent (DCA) to the water system. The corrosion inhibitor DCA agent may be an organic compound such as a hydroxyacid, phosphonocarboxylic acid, polyhydroxysuccinic acid, or polymaleic acid or anhydride.Type: GrantFiled: October 31, 2008Date of Patent: September 27, 2011Assignee: General Electric CompanyInventors: Rosa Crovetto, Claudia C. Pierce, Philip D. Deck
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Patent number: 8021607Abstract: Methods are provided to inhibit corrosion of metals in contact with aqueous systems such as cooling water systems. In accordance with the methods, a hydroxyacid compound and orthophosphates are used to treat the system. Additionally, an adjuvant including poly(epoxysuccinic acids), an additional hydroxy acid, and a polycarboxylic acid, may be added to the system water.Type: GrantFiled: October 31, 2008Date of Patent: September 20, 2011Assignee: General Electric CompanyInventors: Claudia C. Pierce, Philip D. Deck, Rosa Crovetto, Beena George, Rajendra Prasad Kalakodimi, Guruprasad Sundararajan, Donald Wayne Whisenhunt, Jr.
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Patent number: 8007689Abstract: A liquid composition comprising a high-capacity aqueous carrier in which (i) a metalloid compound selected from the group consisting of antimony and germanium compounds and (ii) morpholine or derivative thereof are dissolved in the presence of (iii) unsaturated alcohol and (iv) water-soluble organic acid having reducing capacity, wherein the total concentration of said four components is preferably not less than 5% relative to the total weight of the composition. The composition is useful as a corrosion inhibitor. Also provided is a process for preparing the composition.Type: GrantFiled: August 12, 2008Date of Patent: August 30, 2011Assignee: Bromine Compounds Ltd.Inventors: David Itzhak, Sharon Krumbein Rubin, Arieh Kampf, Vered Atiya Zuckerman, Mira Bergstein Freiberg
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Patent number: 7989403Abstract: A method of inhibiting corrosion in a fluid is disclosed. The method comprises: adding to the fluid an effective corrosion inhibiting amount of a synergist, a synergist when H2S is present in the fluid, or no synergist when H2S is present in the fluid, and a composition comprising specified following formula and optionally salts thereof.Type: GrantFiled: March 2, 2009Date of Patent: August 2, 2011Assignee: Nalco CompanyInventors: Erick J. Acosta, Peter A. Webber, Keith A. Monk
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Publication number: 20110155959Abstract: Of the many methods provided herein, a method comprising: (a) combining a corrosion inhibitor composition with an aqueous acid solution, the corrosion inhibitor composition comprising a benzylideneaniline compound corresponding to Formula 1 below: wherein R is H, methyl, ethyl, hydroxy, methoxy, ethoxy, bromo, chloro, fluoro, mercapto, dimethylamino, or diethylamino groups and/or a cinnamylideneaniline compound corresponding to Formula 2 below: wherein R is H methyl, ethyl, hydroxy, methoxy, ethoxy, bromo, chloro, fluoro, mercapto, dimethylamino, or diethylamino groups; and contacting a metal surface with the aqueous acid solution.Type: ApplicationFiled: February 24, 2010Publication date: June 30, 2011Inventors: Juanita M. Cassidy, Chad E. Kiser, Anupom Sabhapondit
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Publication number: 20110140049Abstract: Corrosion inhibitor compounds including a corrosion inhibitor and a corrosion inhibitor intensifier composition comprising an intensifier compound that corresponds to the following formula: wherein R1 is a methyl or ethyl group, and R2 is H or an alkyl, aryl, alkyl aryl, alkylthio aryl, alkyloxy aryl, halogenated aryl, phenyl, alkyl phenyl, alkylthio phenyl, alkyloxyphenyl, or a halogenated phenyl group.Type: ApplicationFiled: February 23, 2011Publication date: June 16, 2011Inventors: Juanita M. Cassidy, Jim L. Lane, Chad E. Kiser
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Publication number: 20110098363Abstract: The present invention is directed to chemical compounds of formula (I) wherein A1 is selected from the group consisting of alkyl, aryl, alkylaryl and (formula A), A2, A3, A4, A5 and in case A1 is (formula A) also A6 and A7 comprise a polymer selected from the group consisting of [EO]k[XO]m, [PO]p[EO]q, [EO]k[XO]m[EO]n and [PO]p[EO]q[XO]m with [XO] being [PO] or [BuO] and with EO having the meaning of ethylene oxide, PO having the meaning of propylene oxide and BuO having the meaning of butylene oxide.Type: ApplicationFiled: May 28, 2009Publication date: April 28, 2011Applicant: BASF SEInventors: Sebastien Garnier, Marta Reinoso Garcia, Guenter Oetter
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Publication number: 20110088589Abstract: The present invention relates to novel anticorrosion additives for manufacturing processes, comprising at least one triazole and the reaction product of at least one alkylene glycol and at least one carboxylic anhydride, to a process for preparation thereof and to the use thereof for corrosion protection for aluminium and/or aluminium alloys.Type: ApplicationFiled: September 28, 2010Publication date: April 21, 2011Applicant: RHEIN CHEMIE RHEINAU GMBHInventors: Sandra Leimenstoll, Anke Blaul, Reinhard Stier, Isabell Lange, David Larem
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POLYANILINE, METHOD FOR MANUFACTURING SAME, AND POLYANILINE-CONTAINING SOLUTION AND COATING MATERIAL
Publication number: 20110012065Abstract: A method for manufacturing a polyaniline by preparing an aniline mixed solution in which an antirust additive and at least one of aniline and aniline derivatives are mixed and polymerizing at least one of the aniline and the aniline derivatives by adding a polymerization initiator to the aniline mixed solution, polyaniline obtained by the method, a polyaniline-containing solution, and a coating material containing the polyaniline.Type: ApplicationFiled: September 26, 2008Publication date: January 20, 2011Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Noriyuki Kuramoto, Shigeyoshi Maeda, Yu Takada, Masahiko Ishii -
Publication number: 20100247922Abstract: Non-chromated corrosion inhibiting primer formulations having one or more active corrosion inhibitors covalently anchored, or optionally covalently anchored, onto an organic and/or inorganic reactive specie are provided herein.Type: ApplicationFiled: March 30, 2010Publication date: September 30, 2010Applicant: CYTEC TECHNOLOGY CORP.Inventors: Kunal Gaurang Shah, Dalip Kumar Kohli