Pentavalent P, Except H(n+2)pno(3n+1) Patents (Class 252/389.22)
-
Patent number: 10941332Abstract: The present invention concerns the use of at least one compound A comprising at least one —SH or —S?, M+ group, at least one —C-G-C— chain, in which G represents an atom from column 16 of the periodic table, not comprising a carboxy group —C(?O)—OH or —C(?O)—O?, and of a molar mass of between 90 g·mol?1 and 1000 g·mol?1, as an additive in a formulation inhibiting corrosion in metals used in the oil industry, and more generally in any kind of industry involving the drilling of ores or fossil compounds, such as gas or oil, in order to improve both the anti-corrosion performance and the storage stability of same. The invention also concerns said corrosion-inhibiting formulations comprising at least one compound A.Type: GrantFiled: September 23, 2014Date of Patent: March 9, 2021Assignee: Arkema FranceInventors: Tong Eak Pou, Denis Alonzo, Gilles Barreto, Kevin Hisler
-
Patent number: 10836916Abstract: Some implementations of the present disclosure prevent, reduce or at least slow equipment fouling using passivation as a treatment prior to contacting metallic components with hydrocarbon containing fluid, that is, an environment where fouling occurs. For example, one implementation includes a method of passivating heat exchangers in a SAGD process or system using the compositions and compounds of the present disclosure. The composition may be applied to a component prior to its first inclusion in an online system or following placing the system offline for maintenance. The composition may be used to treat metallic equipment surface(s), for example, via contacting them with a suspension or solution of the composition described herein, prior placing the system online. The method may further include treatment of the process fluid, for example, via injection or batch treatment of the composition with the compositions described herein into the process fluid.Type: GrantFiled: November 11, 2016Date of Patent: November 17, 2020Assignee: HEXION INC.Inventors: Charles Zha, Jan Beetge
-
Patent number: 10800929Abstract: The present disclosure relates to agents, compositions, and methods for inhibiting corrosion in various substrates, for example in metal substrates. The present disclosure also relates to compositions for inhibiting corrosion comprising at least one organic heterocyclic compound and at least one metal salt or mixed metal salt selected from rare earth, alkali earth and transition metals.Type: GrantFiled: March 31, 2016Date of Patent: October 13, 2020Assignee: THE BOEING COMPANYInventors: James Ivan Mardel, Ivan Stuart Cole, Anthony Ewart Hughes, Paul Andrew White, Tracey Anne Markley, Timothy Graham Harvey, Joseph Osborne, Erik Sapper
-
Patent number: 10125029Abstract: Cross-linked terpolymers made up of phenol, diaminoalkane and formaldehyde monomeric units. The cross-linked terpolymers are synthesized via a Mannich mechanism in n-heptane, characterized with multiple spectroscopic techniques, scanning electron microscopy and powder X-ray diffraction, and are also investigated for their Pb2+ adsorption capacity and thermodynamic properties. A method of removing Pb2+ ions from an aqueous solution or a wastewater sample with these cross-linked terpolymers is also described.Type: GrantFiled: July 12, 2018Date of Patent: November 13, 2018Assignee: King Fahd University of Petroleum and MineralsInventor: Othman Charles Sadeq Al Hamouz
-
Patent number: 10125030Abstract: Cross-linked terpolymers made up of phenol, diaminoalkane and formaldehyde monomeric units. The cross-linked terpolymers are synthesized via a Mannich mechanism in n-heptane, characterized with multiple spectroscopic techniques, scanning electron microscopy and powder X-ray diffraction, and are also investigated for their Pb2+ adsorption capacity and thermodynamic properties. A method of removing Pb2+ ions from an aqueous solution or a wastewater sample with these cross-linked terpolymers is also described.Type: GrantFiled: July 13, 2018Date of Patent: November 13, 2018Assignee: King Fahd University of Petroleum and MineralsInventor: Othman Charles Sadeq Al Hamouz
-
Patent number: 10040698Abstract: Cross-linked terpolymers made up of phenol, diaminoalkane and formaldehyde monomeric units. The cross-linked terpolymers are synthesized via a Mannich mechanism in n-heptane, characterized with multiple spectroscopic techniques, scanning electron microscopy and powder X-ray diffraction, and are also investigated for their Pb2+ adsorption capacity and thermodynamic properties. A method of removing Pb2+ ions from an aqueous solution or a wastewater sample with these cross-linked terpolymers is also described.Type: GrantFiled: May 14, 2015Date of Patent: August 7, 2018Assignee: King Fahd University of Petroleum and MineralsInventor: Othman Charles Sadeq Al Hamouz
-
Patent number: 9957460Abstract: An ionic liquid composition having the following generic structural formula: wherein R1, R2, R3, and R4 are equivalent and selected from hydrocarbon groups containing at least three carbon atoms, and X? is a phosphorus-containing anion, particularly an organophosphate, organophosphonate, or organophosphinate anion, or a thio-substituted analog thereof containing hydrocarbon groups with at least three carbon atoms. Also described are lubricant compositions comprising the above ionic liquid and a base oil, wherein the ionic liquid is dissolved in the base oil. Further described are methods for applying the ionic liquid or lubricant composition onto a mechanical device for which lubrication is beneficial, with resulting improvement in friction reduction, wear rate, and/or corrosion inhibition.Type: GrantFiled: February 20, 2014Date of Patent: May 1, 2018Assignee: UT-BATTELLE, LLCInventors: Jun Qu, Huimin Luo
-
Patent number: 8845930Abstract: The invention provides a method for pre-treating a metal surface with a corrosion inhibitor prior to painting, a method for inhibiting corrosion in a cooling system, wherein the cooling system includes a metal surface and a coolant; and a method for inhibiting corrosion of a reinforcement steel in concrete wherein the method comprising the step of adding to a concrete mixture an anti-corrosive mixture.Type: GrantFiled: November 28, 2005Date of Patent: September 30, 2014Assignee: Pigmentan Ltd.Inventors: Gregory Pipko, Zvi Miller
-
Publication number: 20140264179Abstract: An anti-corrosion composition containing at least one fatty acid ester, at least one glycol, at least one ethylene oxide/propylene oxide (EO/PO) alkoxylate, at least one polyethylene glycol ester, and at least one modified lecithin is provided. An anti-corrosion composition also is provided which contains at least one fatty acid ester, at least one glycol, at least one sorbate, and at least one modified lecithin. A method of preparing an anti-corrosion composition is also provided. At least one modified lecithin can be blended with at least one fatty acid ester, at least one glycol, at least one EO/PO alkoxylate, or at least one polyethylene glycol ester, or any combination thereof. A method of inhibiting corrosion of a metal surface including applying an anti-corrosion composition to the metal surface in an amount effective to inhibit corrosion of the metal surface is further provided.Type: ApplicationFiled: March 10, 2014Publication date: September 18, 2014Applicant: Buckman Laboratories International, Inc.Inventors: Amy E. Carter, Donald G. Jenkins, Daniel Glover, Carlton E. Hagen
-
Publication number: 20140073707Abstract: Compositions comprising a fluorosurtactant and a fluoro-free hydrotrope are disclosed. The fluoro-free hydrotropes are cationic aromatic compounds, anionic aromatic compounds, or water soluble azo derivatives.Type: ApplicationFiled: September 13, 2012Publication date: March 13, 2014Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: Thomas G. Calvarese, Weiming Qiu, Anilkumar Raghavanpillai, Yamaira Gonzalez
-
Patent number: 8409478Abstract: The invention relates to a flame retardant composition, particularly designed for fire fighting with aerial means. The retardant composition comprises a liquid ammonium polyphosphate of chain length with a value of n between 2 and 3, n being the number of condensation groups, and an ammonium polyphosphate in powder form in suspension, with a chain length with a value of n between 100 and 1500. In addition to the above, the flame retardant composition comprises corrosion inhibitors, in particular zinc orthophosphate dihydrate, and at least one surfactant agent as wetting agent or dispensing agent, an organic or inorganic thickening agent and at least one coloring agent.Type: GrantFiled: May 20, 2008Date of Patent: April 2, 2013Assignee: Budenheim Iberica, S.L. Sociedad En ComanditaInventors: Vicente Mans Fibla, David Garcia Martinez
-
Patent number: 8158561Abstract: The present invention relates to a method for inhibiting scale and corrosion in aqueous systems, for example, under high temperature and pressure conditions such as temperatures up to 250° C. and/or pressures up to 10000 psi (i.e., about 68.9 MPa). The method involves providing polymer compositions comprising 1% to 100% by weight of a phosphorus-containing amide monomer to such aqueous systems, which arise, for example, in connection with oilfield operations and some water treatment applications.Type: GrantFiled: August 13, 2010Date of Patent: April 17, 2012Assignee: Rohm and Haas CompanyInventors: Eric Greyson, Joseph Manna, Somil Chandrakant Mehta
-
Publication number: 20120009762Abstract: A solution for semiconductor wafer dicing is disclosed. The solution suppresses the adherence of contamination residues or particles, and reduces or eliminates the corrosion of the exposed metallization areas, during the process of dicing a wafer by sawing. The solution comprises at least one organic acid and/or salt thereof; at least a surfactant and/or at least a base; and deionized water, the composition has a pH is equal or greater than 4. The solution can further comprise, a chelating agent, a defoaming agent, or a dispersing agent.Type: ApplicationFiled: June 28, 2011Publication date: January 12, 2012Applicant: AIR PRODUCTS AND CHEMICALS, INC.Inventors: Dnyanesh Chandrakant Tamboli, Rajkumar Ramamurthi, David Barry Rennie, Madhukar Bhaskara Rao, Gautam Banerjee, Gene Everad Parris
-
Patent number: 7910024Abstract: Compositions and methods are described for inhibiting corrosion of corrodible metals present in contact with water in cooling water and other water storage systems. The compositions include concentrated stannous salts and agents to solubilize such salts.Type: GrantFiled: September 7, 2007Date of Patent: March 22, 2011Assignee: A.S. Inc.Inventors: William E. Stapp, Gary Westlund
-
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
-
Publication number: 20100264064Abstract: The present invention relates to the field of processing hydrocarbons which causes corrosion in the metal surfaces of processing units. The invention addresses the technical problem of high temperature naphthenic acid corrosion and sulphur corrosion and provides a solution to inhibit these types of corrosion. The three combination compositions are formed by two mixtures separately, with one mixture obtained by mixing compound A, which is obtained by reacting high reactive polyisobutylene (HRPIB) with phosphorous pentasulphide in presence of catalytic amount of sulphur with compound B which is thiophosphorous compound such as phosphorous thioacid ester of Formula (1) and second mixture obtained by mixing compound A with compound C of Formula (2) which is obtained by reacting compound B with ethylene oxide, wherein each of these two mixtures independently provide high corrosion inhibition efficiency in case of high temperature naphthenic acid corrosion inhibition and sulphur corrosion inhibition.Type: ApplicationFiled: September 12, 2008Publication date: October 21, 2010Applicant: Dorf Ketal Chemicals (1) Private LimitedInventor: Subramaniyam Mahesh
-
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
-
Publication number: 20100116718Abstract: The present invention relates to the field of processing hydrocarbons which causes corrosion in the metal surfaces of processing units. The invention addresses the technical problem of high temperature naphthenic acid corrosion and sulphur corrosion and provides a solution to inhibit these types of corrosion. The three combination compositions are formed by three mixtures separately, with one mixture obtained by mixing compound A, which is obtained by reacting high reactive polyisobutylene (HRPIB) with phosphorous pentasulphide in presence of catalytic amount of sulphur with compound B such as trialkyl phosphate and second mixture obtained by mixing compound A with compound C such as phosphite like di-isodecyl phenyl phosphite, and third mixture obtained by mixing compound A with compound D such as a phosphonate, wherein each of these three mixtures independently provide high corrosion inhibition efficiency in case of high temperature naphthenic acid corrosion inhibition and sulphur corrosion inhibition.Type: ApplicationFiled: April 3, 2008Publication date: May 13, 2010Applicant: Dorf Ketal Chemicals (1) Private LimitedInventor: Mahesh Subramaniyam
-
Patent number: 7351764Abstract: Mechanical or Chemical pulp is treated with about 0.01 weight % to about 5 weight % of a Mixture. The Mixture is water; diethylenetriaminepentakis(methyl)phosphonic acid or its known salts; polyacrylic acid or its known salts; and optionally one or more inert compounds. This Mixture acts to either maintain the brightness level of the pulp at the target level or to increase the brightness level of the pulp. In addition the Mixture allows for maintaining the pulp at the target level of brightness even when the amounts of other ingredients, such as hydrogen peroxide, hydrosulfite, sodium silicate and magnesium, that are typically added to the pulp, are reduced.Type: GrantFiled: March 31, 2004Date of Patent: April 1, 2008Assignee: Nalco CompanyInventors: Sergey M. Shevchenko, Prasad Y. Duggirala
-
Patent number: 7141174Abstract: The present invention provides a method of treating boiler and condensate water by the addition of an effective amount of a hydroxyamine-acid ester treatment reagent or an all-in-one treatment composition comprising a hydroxyamine-acid ester. Modification of a hydroxyamine to a hydroxyamine-acid ester generally reduces the odors of the amine while providing a means to formulate the composition into a solid form. The ester typically decomposes at conditions in the boiler to release the hydroxyamine to treat the boiler water. Other components used to treat boiler water and condensate related problems may be formulated with the hydroxyamine-acid ester to form the all-in-one treatment composition.Type: GrantFiled: September 22, 2004Date of Patent: November 28, 2006Assignee: JohnsonDiversey, Inc.Inventors: Lyle H. Steimel, James Emerson, Sue Ann Balow
-
Patent number: 6995120Abstract: Barium sulfate and/or calcium carbonate scale inhibitor composition composed of a water-soluble polymer having incorporated phosphate functionality, the polymer being formed from at least one ethylenically unsaturated carboxylic acid monomer, at least one ethylenically unsaturated vinyl sulfonate monomer, or a mixture thereof. The scale inhibitor composition can be used as a means of detecting inhibitor composition in downhole and topside oilfield treatments by means that are faster and more accurate than turbidometric measurement.Type: GrantFiled: August 25, 2005Date of Patent: February 7, 2006Assignee: National Starch and Chemical Investment Holding CorporationInventors: Martin Crossman, Stuart Peter Robert Holt
-
Patent number: 6953537Abstract: A corrosion inhibitor for use with Urea Ammonium Nitrate solutions is disclosed, comprising a blend of molybdate and one or more of the inorganic phosphates (including phosphates, polyphosphates, and pyrophosphates) and organic phosphates or phosphonates. Inorganic phosphates include, but are not limited to, SHMP (Sodium Hexametaphosphate) and TKPP (Tetra-Potassium Pyrophosphate). There are numerous other inorganic phosphates that will also serve as suitable secondary inhibitors. Organic phosphates or phosphonates include, but are not limited to, HEDP (1-Hydroxyethylidine-1,1-diphosphonic acid; also known as ethanol diphosphonate, acetodiphosphonic acid, or etidronic acid), ATMP or AMP (aminotri(methylenephosphonic acid)), PBTC (Phosphonobutane tricarboxylic acid), DETPMP (Diethylenetriaminepenta(methylene phosphonic acid)), and HPA (hydroxyphosphono acetic acid). There are numerous other organic phosphates and phosphonates that will also serve as suitable secondary inhibitors.Type: GrantFiled: January 23, 2003Date of Patent: October 11, 2005Inventors: Scott David Trahan, Eric Paul Mistretta
-
Patent number: 6814930Abstract: A white rust inhibiting composition and method of inhibiting white rust for evaporative water coolers are disclosed. The composition includes, in combination, a blend of one or more organophosphorus compounds and one or more tannin compounds.Type: GrantFiled: June 10, 2002Date of Patent: November 9, 2004Inventors: Michael T. Oldsberg, Bruce D. Busch
-
Patent number: 6797197Abstract: The present invention provides a method of treating boiler and condensate water by the addition of an effective amount of a hydroxyamine-acid ester treatment reagent or an all-in-one treatment composition comprising a hydroxyamine-acid ester. Modification of a hydroxyamine to a hydroxyamine-acid ester generally reduces the odors of the amine while providing a means to formulate the composition into a solid form. The ester typically decomposes at conditions in the boiler to release the hydroxyamine to treat the boiler water. Other components used to treat boiler water and condensate related problems may be formulated with the hydroxyamine-acid ester to form the all-in-one treatment composition.Type: GrantFiled: August 30, 2002Date of Patent: September 28, 2004Assignee: JohnsonDiversey, Inc.Inventors: Lyle H. Steimel, James Emerson, Sue Ann Balow
-
Publication number: 20040092412Abstract: Compounds, in particular those based on polyisobutyleneamines, are suitable as emulsifiers for water-in-oil emulsions and are used in particular as additives for fuels and lubricants.Type: ApplicationFiled: September 2, 2003Publication date: May 13, 2004Inventors: Stephan Hueffer, Cordula Mock-Knoblauch, Gregor Schrmann, Arno Lange
-
Patent number: 6706214Abstract: A composition and process for inhibiting the corrosion of metallic substrates is revealed. The process utilizes an aqueous treatment solution comprising chitosan which has been reacted with an additive selected from the group consisting of phosphorus-containing compounds and sulfur-containing compounds and mixtures thereof. More preferably, the phosphorus-containing compound is a phosphonic acid and the sulfur-containing compound is a mercapto, thio, or thienyl containing compound or a mercapto functional silane. The composition and process are particularly useful in providing corrosion protection for aluminum and aluminum alloys.Type: GrantFiled: December 23, 2002Date of Patent: March 16, 2004Inventor: Gerald Wojcik
-
Publication number: 20030230742Abstract: A corrosion inhibitor for use with Urea Ammonium Nitrate solutions is disclosed, comprising a blend of molybdate and one or more of the inorganic phosphates (including phosphates, polyphosphates, and pyrophosphates) and organic phosphates or phosphonates. Inorganic phosphates include, but are not limited to, SHMP (Sodium Hexametaphosphate) and TKPP (Tetra-Potassium Pyrophosphate). There are numerous other inorganic phosphates that will also serve as suitable secondary inhibitors. Organic phosphates or phosphonates include, but are not limited to, HEDP (1-Hydroxyethylidine-1,1-diphosphonic acid; also known as ethanol diphosphonate, acetodiphosphonic acid, or etidronic acid), ATMP or AMP (aminotri(methylenephosphonic acid)), PBTC (Phosphonobutane tricarboxylic acid), DETPMP (Diethylenetriaminepenta(methylene phosphonic acid)), and HPA (hydroxyphosphono acetic acid). There are numerous other organic phosphates and phosphonates that will also serve as suitable secondary inhibitors.Type: ApplicationFiled: January 23, 2003Publication date: December 18, 2003Inventors: Scott David Trahan, Eric Paul Mistretta
-
Patent number: 6508958Abstract: A composition and process for inhibiting the corrosion of metallic substrates is revealed. The process utilizes an aqueous treatment solution comprising chitosan which has been reacted with an acid selected from the group consisting of phosphonic acids, carboxylic acids and mixtures thereof. The composition and process are particularly useful in providing corrosion protection for aluminum and aluminum alloys.Type: GrantFiled: July 16, 2001Date of Patent: January 21, 2003Inventor: Gerald Wojcik
-
Patent number: 6468470Abstract: A white rust inhibiting composition and method of inhibiting white rust for evaporative water coolers are disclosed. The composition includes, in combination, a blend of one or more organophosphorus compounds, one or more tannin compounds, and one or more water soluble metal compounds.Type: GrantFiled: June 18, 1999Date of Patent: October 22, 2002Assignee: Fremont Industries, Inc.Inventors: Michael T. Oldsberg, Bruce D. Busch
-
Patent number: 6464900Abstract: This invention relates to corrosion inhibiting compositions for aqueous systems comprising (a) polyaspartic acid or salts therefore, and (b) a water soluble phosphonated oligomer. The compositions are effective corrosion inhibitors, but are also advantageous from an environmental standpoint because they are non-toxic, contain no heavy metals, and have little or no phosphorus. They also have significant calcium/hardness tolerance, are chlorine/bromine stable, and are effective corrosion inhibitors.Type: GrantFiled: August 1, 2000Date of Patent: October 15, 2002Assignee: Ashland Inc.Inventors: Pavol Kmec, Dwight E. Emerich
-
Patent number: 6416712Abstract: 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: GrantFiled: December 19, 2000Date of Patent: July 9, 2002Assignee: A.S. IncorporatedInventor: Olen L. Riggs, Jr.
-
Patent number: 6383414Abstract: A process of inhibiting a corrosion of metal plugs formed in integrated circuits is described. The corrosion inhibiting process includes providing a partially fabricated integrated circuit surface including the metal plugs on a polishing pad to carry out chemical-mechanical polishing, introducing slurry including a corrosion inhibiting compound on the polishing pad in sufficient concentration to inhibit corrosion of the metal plugs of the partially fabricated integrated circuit surface, and polishing the partially fabricated integrated circuit surface.Type: GrantFiled: March 15, 2000Date of Patent: May 7, 2002Assignee: LSI Logic CorporationInventor: Nicholas F. Pasch
-
Patent number: 6200529Abstract: Effective corrosion inhibitors having minimal organic content, particularly suitable for use in municipal drinking water systems, are described. The preferred corrosion inhibiting additive is an aqueous solution of a stannous halide, preferably stannous chloride.Type: GrantFiled: July 26, 1999Date of Patent: March 13, 2001Assignee: A. S. IncorporatedInventor: Olen L. Riggs, Jr.