Patents Assigned to Nalco Energy Services
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Patent number: 8802740Abstract: The present invention provides environmentally friendly demulsifiers for the breakdown of petroleum oil applications. The demulsification formulations of the present invention are biodegradable and are low in toxicity. The demulsifiers include a poly(tetramethylene glycol) and an alkylene glycol copolymer linked to the poly(tetramethylene glycol) by a difunctional coupling agent.Type: GrantFiled: June 22, 2009Date of Patent: August 12, 2014Assignee: Nalco Energy Services L.PInventors: Steven P. Newman, Carl Hahn, Robert D. McClain
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Patent number: 7057050Abstract: This invention provides a series of novel acrylated, substituted imidazoline corrosion inhibitors of the formula: wherein R1 is an alkyl radical having from 2 to 8 carbon atoms; R2 is a radical derived from a fatty acid; and R3 is a radical derived from an unsaturated acid and a method for inhibiting corrosion in metallic flow lines through the introduction of such inhibitors into a system wherein corrosion is sought to be precluded.Type: GrantFiled: April 11, 2003Date of Patent: June 6, 2006Assignee: Nalco Energy Services L.P.Inventor: George Richard Meyer
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Patent number: 7005087Abstract: A composition comprising aminoalkyl imidazoline or alkyl-substituted succinimide antifoulants or mixtures thereof, and use of aminoalkyl imidazolines and alkyl-substituted succinimides to prevent fouling in (meth)acrylic acid manufacturing processes and processes in which (meth)acrylic acid is used in a reaction and where unreacted (meth)acrylic acid is recovered.Type: GrantFiled: December 30, 2003Date of Patent: February 28, 2006Assignee: Nalco Energy Services, L.P.Inventor: David Youdong Tong
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Patent number: 6984710Abstract: An alkoxylated alkylphenol-formaldehyde-diamine polymer prepared by alkoxylating an alkylphenol-formaldehyde-diamine polymer and use of the alkoxylated alkylphenol-formaldehyde-diamine polymer to resolve water-in-oil emulsions, especially emulsions of water in crude oil.Type: GrantFiled: October 13, 2003Date of Patent: January 10, 2006Assignee: Nalco Energy Services, L.P.Inventor: George Richard Meyer
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Patent number: 6984705Abstract: A composition comprising expandable cross linked polymeric microparticles having an unexpanded volume average particle size diameter of from about 0.05 to about 10 microns and a cross linking agent content of from about 9,000 to about 200,000 ppm of labile cross linkers and from 0 to about 300 ppm of non-labile cross linkers. The composition is used for modifying the permeability of subterranean formations and increasing the mobilization and/or recovery rate of hydrocarbon fluids present in the formations.Type: GrantFiled: September 3, 2002Date of Patent: January 10, 2006Assignee: Ondeo Nalco Energy Services, L.P.Inventors: Kin-Tai Chang, Harry Frampton, James C. Morgan
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Patent number: 6964940Abstract: This invention is a method of preparing a quaternized amidoamine surfactant comprising reacting an amidotertiaryamine of formula with methyl halide and alkylene oxide, an aqueous quaternized amidoamine surfactant composition, a gelled aqueous composition comprising the quaternized amidoamine surfactant composition and one or more salts or alcohols and use of the gelled aqueous composition for fracturing subterranean formations.Type: GrantFiled: January 8, 2003Date of Patent: November 15, 2005Assignees: Nalco Energy Services, L.P., Tomah Products, Inc.Inventors: Duane S. Treybig, Grahame N. Taylor, James A. Krogh, Michael J. Williams
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Patent number: 6852213Abstract: This invention is directed to a method of inhibiting fouling of heat transfer surfaces in contact with petroleum or hydrocarbon feedstocks comprising contacting the heat-transfer surfaces with an effective amount of a thermally-treated phosphorous-sulfur compound and to methods and apparatus for preparing and contacting the thermally-treated phosphorous-sulfur compounds with the heat transfer surfaces.Type: GrantFiled: September 15, 1999Date of Patent: February 8, 2005Assignee: Nalco Energy ServicesInventor: Youdong Tong
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Patent number: 6787506Abstract: A method of reducing friction resulting from turbulent flow in an aqueous fracturing fluid in an oil field fracturing process comprising adding to the aqueous fracturing fluid an effective friction-reducing amount of one or more dispersion polymers, wherein the dispersion polymer is composed of from about 5 to about 95 mole percent of one or more nonionic monomers and from about 95 to about 5 mole percent of one or more cationic or anionic monomers and has a molecular weight of at least 100,000.Type: GrantFiled: April 3, 2002Date of Patent: September 7, 2004Assignee: Nalco Energy Services, L.P.Inventors: Cecil C. Blair, Kin-Tai Chang, Duane S. Treybig, Kurt S. Gerken
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Patent number: 6770219Abstract: An antifoulant composition comprising (meth)acrylic acid and one or more (meth)acrylate or (meth)acrylamide antifoulant polymers and a method of preventing fouling in (meth)acrylic acid processes comprising adding the (meth)acrylate or (meth)acrylamide antifoulant polymers to the (meth)acrylic acid process stream.Type: GrantFiled: October 15, 2002Date of Patent: August 3, 2004Assignee: Nalco Energy ServicesInventor: David Youdong Tong
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Patent number: 6729402Abstract: This invention is directed to a composition comprising expandable cross linked polymeric microparticles having an unexpanded volume average particle size diameter of from about 0.05 to about 10 microns and a cross linking agent content of about 1,000 to less than about 9,000 ppm of labile cross linkers and from 0 to about 300 ppm of non-labile cross linkers and to the use of the composition for modifying the permeability of subterranean formations and increasing the mobilization and/or recovery rate of hydrocarbon fluids present in the formations.Type: GrantFiled: September 20, 2002Date of Patent: May 4, 2004Assignee: Ondeo Nalco Energy ServicesInventors: Kin-Tai Chang, Harry Frampton, James C. Morgan
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Patent number: 6696572Abstract: The present invention relates to a process for making and a method for using a corrosion inhibitor composition to reduce the corrosion rate of a metal by a fluid containing a corrosion agent. The corrosion inhibitor composition comprises at least a quaternized compound. Examples of the quaternized compound are quaternized imino imidazolines and quaternized amido imidazolines.Type: GrantFiled: June 12, 2002Date of Patent: February 24, 2004Assignee: Ondeo Nalco Energy Services, L.P.Inventor: George Richard Meyer
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Patent number: 6599445Abstract: The present invention relates to a process for making and a method for using a corrosion inhibitor composition to reduce the corrosion rate of a metal by a fluid containing a corrosion agent. The corrosion inhibitor composition comprises at least a quaternized compound having a substituted diethylamino moiety. Examples of the quaternized compound having a substituted diethylamino moiety are quaternized diacrylamino imidazolines.Type: GrantFiled: July 18, 2002Date of Patent: July 29, 2003Assignee: Ondeo Nalco Energy Services, L.P.Inventor: George Richard Meyer
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Patent number: 6569983Abstract: A water-soluble branched polyhydroxyetheramine, wherein the branched polyhydroxyetheramine is prepared by reacting an amine having two reactive hydrogen atoms with a diepoxide to form a polyhydroxyetheramine and then reacting the polyhydroxyetheramine with an N-alkylating agent, an aqueous composition comprising the branched polyhydroxyetheramine and use of the branched polyhydroxyetheramine to modify the permeability to water of a subterranean formation are disclosed.Type: GrantFiled: December 20, 2001Date of Patent: May 27, 2003Assignee: Ondeo Nalco Energy Services, L.P.Inventors: Duane Treybig, Kin-Tai Chang, Dennis Williams
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Patent number: 6488868Abstract: The present invention relates to a process for making and a method for using a corrosion inhibitor composition to reduce the corrosion rate of a metal by a fluid containing a corrosion agent. The corrosion inhibitor composition comprises at least a quaternized compound having a substituted diethylamino moiety. Examples of the quaternized compound having a substituted diethylamino moiety are quaternized diacrylamino imidazolines.Type: GrantFiled: March 15, 1999Date of Patent: December 3, 2002Assignee: Ondeo Nalco Energy Services, L.P.Inventor: George Richard Meyer
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Patent number: 6454995Abstract: A method of reducing the formation of coke deposits on the heat-transfer surfaces of an ethylene dichloride to vinyl chloride pyrolysis furnace comprising exposing the heat transfer surfaces of said pyrolysis furnace to a phosphine selected from the group consisting of phosphines with the general formula: wherein R1, R2 and R3 are selected from the group consisting of hydrogen, chlorine, alkyl, aryl, alkylaryl and arylalkyl, wherein R1, R2 and R3 can be the same or different.Type: GrantFiled: August 14, 2000Date of Patent: September 24, 2002Assignee: Ondeo Nalco Energy Services, L.P.Inventor: Youdong Tong
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Patent number: 6454003Abstract: This invention is directed to a composition comprising expandable cross linked polymeric microparticles having an unexpanded volume average particle size diameter of from about 0.05 to about 10 microns and a cross linking agent content of from about 9,000 to about 200,000 ppm of labile cross linkers and from 0 to about 300 ppm of non-labile cross linkers and to the use of the composition for modifying the permeability of subterranean formations and increasing the mobilization and/or recovery rate of hydrocarbon fluids present in the formations.Type: GrantFiled: June 14, 2000Date of Patent: September 24, 2002Assignee: Ondeo Nalco Energy Services, L.P.Inventors: Kin-Tai Chang, Harry Frampton, James C. Morgan
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Patent number: 6448411Abstract: The present invention relates to a process for making and a method for using a corrosion inhibitor composition to reduce the corrosion rate of a metal by a fluid containing a corrosion agent. The corrosion inhibitor composition comprises at least a quaternized compound. Examples of the quaternized compound are quaternized imino imidazolines and quaternized amido imidazolines.Type: GrantFiled: March 15, 1999Date of Patent: September 10, 2002Assignee: Ondeo Nalco Energy Services, L.P.Inventor: George Richard Meyer