Patents Assigned to Afton Chemical Corporation
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Patent number: 11072757Abstract: The present disclosure relates to lubricating oil compositions, and in particular, lubricating oil compositions for slideway applications, additive compositions for the slideway lubricants, and methods of lubricating a machine part, such as a slideway with the lubricating oil compositions. In one aspect, the lubricating oil compositions have a composition that provides both good friction performance and good separability from metal working fluids at the same time.Type: GrantFiled: May 18, 2018Date of Patent: July 27, 2021Assignee: Afton Chemical CorporationInventors: Paul Norris, Ralph Lumby
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Patent number: 11066619Abstract: The invention relates to phosphorous-containing compounds useful as antiwear additive components, lubricant additive compositions and lubricant compositions each comprising such compounds, methods for making and using the same, including methods of lubricating machines and machine parts and methods of extending the useful life of elastomeric seal components of such machines.Type: GrantFiled: October 31, 2017Date of Patent: July 20, 2021Assignee: AFTON CHEMICAL CORPORATIONInventor: David Edwards
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Patent number: 11066622Abstract: A method of lubricating at least a portion of a powertrain in a vehicle with an electric motor with a functional fluid composition containing greater than 50 wt % of a base oil; and an additive composition prepared by mixing: a) a hydrocarbyl acid phosphate of the formula (I) to provide at least 50 ppmw phosphorus to the functional fluid composition; wherein R is a C1-C6 hydrocarbyl group and R1 is selected from hydrogen and a C1-C6 hydrocarbyl group; b) an amount of one or more calcium-containing detergent(s) sufficient to provide at least 25 ppmw calcium to the functional fluid composition; and c) one or more nitrogen containing dispersants in an amount sufficient to provide greater than 20 ppmw of nitrogen to the functional fluid composition, all based on the total weight of the functional fluid composition. Functional fluid compositions containing the above-mentioned components and lubricating methods are also disclosed herein.Type: GrantFiled: October 24, 2019Date of Patent: July 20, 2021Assignee: AFTON CHEMICAL CORPORATIONInventors: Xinggao Fang, Randy Rousseau
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Patent number: 11046908Abstract: The present disclosure relates to oxazoline modified lubricant additives that have dispersant properties and lubricating oil compositions including such dispersant lubricant additives. The disclosure also relates to the use of lubricant compositions comprising the additives of the disclosure for improving the soot or sludge handling characteristics of an engine lubricant composition while providing robust and consistent frictional performance at the same time.Type: GrantFiled: January 11, 2019Date of Patent: June 29, 2021Assignee: Afton Chemical CorporationInventors: Arturo Carranza, Sheng Jiang, John Loper
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Publication number: 20210171678Abstract: A copolymer including ethylene units and units of one or more C3-10 alpha-olefins. The copolymer has a number average molecular weight of less than 5,000 g/mol, as measured by GPC. The ethylene unit content of the copolymer is less than 80 mol %. 70 mol % or greater of the copolymer has a carbon-carbon double bond in a terminal monomer unit, and at least 70 mol % of the terminal unsaturation is vinylidene, one or more tri-substituted isomers of the vinylidene or any combination thereof. The copolymer has a crossover temperature of ?20° C. or lower and/or a certain average ethylene run length. Also disclosed are a method for making the copolymer and polyolefins plasticized with 1-40 wt. % of the copolymer. The copolymers may low metal (ash) and/or fluorine contents.Type: ApplicationFiled: June 12, 2018Publication date: June 10, 2021Applicant: AFTON CHEMICAL CORPORATIONInventors: Nathaniel Cain, John Loper, Lawrence Cunningham, Joseph W. Roos
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Patent number: 11008527Abstract: Engine oil \s and methods for use in soot-producing engines. The engine oil contains a major amount of a base oil and a dispersant reaction product of A) a hydrocarbyl-dicarboxylic acid or anhydride, and B) at least one polyamine, that is post-treated with C) an aromatic carboxylic acid, an aromatic polycarboxylic acid, or an aromatic anhydride, wherein all carboxylic acid or anhydride groups of C) are attached directly to an aromatic ring. A molar ratio of carboxyl groups from components A) and C) to nitrogen atoms from component B) of from 0.9 to 1.3 is used to make the dispersant which also has a molar ratio of component C) to component B) of at least 0.4 and when component B) has an average of 4-6 nitrogen atoms per molecule, a molar ratio of A) to B) is from 1.0 to 1.6.Type: GrantFiled: January 18, 2019Date of Patent: May 18, 2021Assignee: Afton Chemical CorporationInventor: John Loper
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Patent number: 11008526Abstract: Described herein are fuel performance additives, fuels including such additive, methods of improving the demulsiliblity of fuels using fuel performance additives, and the use of a fuel performance additive to improve the demulsiliblity of fuel where such fuels are gasoline or diesel and further include a quaternary ammonium salt obtained from at least the reaction of a nitrogen containing compound having at least a tertiary amino group and a quaternizing agent.Type: GrantFiled: July 23, 2019Date of Patent: May 18, 2021Assignees: Croda Inc., AFTON CHEMICAL CORPORATIONInventors: Daniel Taylor, Makaye Tabibi
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Publication number: 20210122994Abstract: A method of lubricating at least a portion of a powertrain in a vehicle with an electric motor with a functional fluid composition containing greater than 50 wt % of a base oil; and an additive composition prepared by mixing: a) a hydrocarbyl acid phosphate of the formula (I) to provide at least 50 ppmw phosphorus to the functional fluid composition; wherein R is a C1-C6 hydrocarbyl group and R1 is selected from hydrogen and a C1-C6 hydrocarbyl group; b) an amount of one or more calcium-containing detergent(s) sufficient to provide at least 25 ppmw calcium to the functional fluid composition; and c) one or more nitrogen containing dispersants in an amount sufficient to provide greater than 20 ppmw of nitrogen to the functional fluid composition, all based on the total weight of the functional fluid composition. Functional fluid compositions containing the above-mentioned components and lubricating methods are also disclosed herein.Type: ApplicationFiled: October 24, 2019Publication date: April 29, 2021Applicant: AFTON CHEMICAL CORPORATIONInventors: Xinggao Fang, Randy Rousseau
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Publication number: 20210070900Abstract: Ethylene-C3-C10 alpha olefin copolymers, dispersants and lubricating oils/fuel compositions incorporating dispersants, and related methods are generally described herein. The copolymer may comprise ethylene-derived units and C3-C10 alpha-olefin-derived units. The C3-C10 alpha-olefin-derived units may have a carbon number from three to ten. For example, the C3-C10 alpha-olefin-derived units may be propylene-derived units. The dispersants may be made from copolymers having low metal and/or fluorine contents.Type: ApplicationFiled: June 12, 2018Publication date: March 11, 2021Applicant: AFTON CHEMICAL CORPORATIONInventors: Nathaniel Cain, John Loper, Lawrence Cunningham, Joseph W. Roos
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Patent number: 10899989Abstract: The present disclosure relates to lubricant additives such as dispersants and dispersant viscosity modifiers including acyl peptide grafted polymers and lubricating oil compositions comprising such additives. The disclosure also relates to the use of lubricant compositions comprising the additives herein for improving the soot or sludge handling characteristics of an engine lubricant composition and while minimizing the deterioration of engine's elastomer compatibility.Type: GrantFiled: October 15, 2018Date of Patent: January 26, 2021Assignee: Afton Chemical CorporationInventors: Sheng Jiang, Arturo Carranza
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Patent number: 10851324Abstract: The present disclosure relates to oxazoline modified lubricant additives that have dispersant properties and lubricating oil compositions comprising said dispersant lubricant additives. The disclosure also relates to the use of lubricant compositions comprising the additives of the disclosure for improving the soot or sludge handling characteristics of an engine lubricant composition, while minimizing the deterioration of engine seals.Type: GrantFiled: February 27, 2018Date of Patent: December 1, 2020Assignee: Afton Chemical CorporationInventors: Sheng Jiang, Arturo Carranza
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Patent number: 10836976Abstract: A lubricating oil composition having greater than 50 wt % of a base oil and 0.1 wt % to 20 wt %, both based on the total weight of the lubricating oil composition, of a dispersant viscosity modifier obtainable by: A) reacting: a) at least one of a lactone of formula (I) or a derivative thereof: wherein X is oxygen, and R is an optionally substituted hydrocarbylene group having from 1 to 20 carbon atoms; and ?b) at least one compound selected from amines, alcohols and oxazolines; and B) reacting the reaction product of step A) onto an acylated olefin copolymer obtainable by acylating a copolymer of ethylene and one or more C3-C10 alpha-olefins having a number average molecular weight of 5,000 to 200,000 g/mol as measured by GPC, with an acylating agent. Methods employing the lubricating oil compositions and uses of the lubricating compositions as engine oils are also described.Type: GrantFiled: July 18, 2018Date of Patent: November 17, 2020Assignee: AFTON CHEMICAL CORPORATIONInventors: Arturo Carranza, Sheng Jiang
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Patent number: 10822569Abstract: The present disclosure relates to viscosity index modifiers that have dispersant properties and lubricating oil compositions comprising said viscosity index modifiers. The viscosity index modifier is the reaction product of an acylated olefin copolymer, a polyamine, and a dicarboxylic acid or anhydride thereof that can react with a free primary amine of the polyamine to form a ring moiety. The disclosure also relates to the use of lubricant compositions comprising the viscosity index improvers of the disclosure for improving the soot or sludge handling characteristics of an engine lubricant composition, while minimizing the deterioration of engine seals.Type: GrantFiled: February 15, 2018Date of Patent: November 3, 2020Assignee: Afton Chemical CorporationInventors: Sheng Jiang, Joseph S. Bradley
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Patent number: 10808198Abstract: The present disclosure describes a lubricating composition including a) a major part of a base oil of lubricating viscosity wherein the base oil is selected from API Group I, II, III, IV, V, or mixtures thereof, b) a total of 0.001 to 0.536 wt. %, based on the total lubricating composition, of one or more monohydrocarbyl-substituted dimercaptothiadiazole derivative(s) according to Formula (I), or a tautomer or salt thereof, below wherein R is methyl or C2 to C4 alkyl, wherein the total lubricating composition has a sulfur content of up to 2,500 ppm (wt.), c) less than 0.1 wt % phosphite. The disclosure further describes the use of the lubricating composition for lubricating a driveline, a transmission including a manual or automated transmission, a gear, an automated gear, or an axle, and for enhanced FZG test performance. The disclosure further relates to a method for preparing the lubricating composition.Type: GrantFiled: January 16, 2019Date of Patent: October 20, 2020Assignee: Afton Chemical CorporationInventor: Xinggao Fang
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Patent number: 10774284Abstract: The present disclosure relates to a high performance calcium sulfonate greases with enhanced performance benefits and methods for making the same.Type: GrantFiled: January 16, 2018Date of Patent: September 15, 2020Assignee: Afton Chemical CorporationInventors: Anand Karve, Vishal Nandurkar
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Patent number: 10774722Abstract: Particulate filters are used to remove particulate matter such as soot and ash in the emissions control systems of vehicles, including gasoline direct injection (GDI) engines. Methods are provided to predict the long-term performance and durability of emissions control systems having particulate filters. The methods account for factors such as thermal aging, soot accumulation and regeneration, and ash loading.Type: GrantFiled: September 4, 2018Date of Patent: September 15, 2020Assignee: Afton Chemical CorporationInventors: Huifang Shao, Joseph W. Roos, Joseph E. Remias
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Patent number: 10774708Abstract: Gasoline Direct Injection (GDI) engines require gasoline particulate filters (GPFs) as a key component of the emissions control system to reduce particulate emissions. GPFs are known to have poor initial performance, with performance increasing after the filter develops a cake. This poor initial performance make it impossible to accurately assess vehicle emissions performance at the mileage requirements for vehicle certification. Compositions and methods are disclosed to improve filtration efficiency in a fresh or low mileage GPF.Type: GrantFiled: September 4, 2018Date of Patent: September 15, 2020Assignee: Afton Chemical CorporationInventors: Huifang Shao, Joseph W. Roos, Joseph E. Remias
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Publication number: 20200277541Abstract: A lubricating oil composition and method of lubricating an engine equipped with a diesel particulate filter using the lubricating oil composition. The lubricating oil composition may contain greater than 50 wt. % of a base oil of lubricating viscosity, an amount of one or more calcium-containing detergents to provide less than 1700 ppm calcium, an amount of one or more magnesium-containing detergents to provide less than 450 ppm magnesium, an amount of one or more molybdenum-containing compounds to provide less than 450 ppm molybdenum, from about 700 ppm to about 900 ppm of phosphorus, and a total sulfated ash content of no greater than 1.0 wt. %, all as measured by ASTM D874, based on the total weight of the lubricating oil composition; and a ratio, in ppm, of calcium from the one or more calcium-containing detergents to magnesium from the one or more magnesium-containing detergents of 1:1 or more.Type: ApplicationFiled: February 28, 2019Publication date: September 3, 2020Applicant: Afton Chemical CorporationInventors: Ralf Meyke, Alisdair Brown, Guillaume Carpentier, Paul Ransom
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Publication number: 20200231892Abstract: Engine oil \s and methods for use in soot-producing engines. The engine oil contains a major amount of a base oil and a dispersant reaction product of A) a hydrocarbyl-dicarboxylic acid or anhydride, and B) at least one polyamine, that is post-treated with C) an aromatic carboxylic acid, an aromatic polycarboxylic acid, or an aromatic anhydride, wherein all carboxylic acid or anhydride groups of C) are attached directly to an aromatic ring. A molar ratio of carboxyl groups from components A) and C) to nitrogen atoms from component B) of from 0.9 to 1.3 is used to make the dispersant which also has a molar ratio of component C) to component B) of at least 0.4 and when component B) has an average of 4-6 nitrogen atoms per molecule, a molar ratio of A) to B) is from 1.0 to 1.6.Type: ApplicationFiled: January 18, 2019Publication date: July 23, 2020Applicant: Afton Chemical CorporationInventor: John Loper
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Patent number: 10640723Abstract: A lubricating oil composition including greater than 50 wt. % of a base oil; a reaction product of a hydrocarbyl acid phosphate and a nitrogen containing compound; and an oil soluble hydrocarbyl borate. A method for reducing gear scuffing in a transmission including a step of lubricating the transmission with the above-mentioned lubricating oil composition and a method of operating a transmission including steps of lubricating said transmission with the lubricating oil composition described above and operating the transmission, are also described.Type: GrantFiled: March 16, 2018Date of Patent: May 5, 2020Assignee: Afton Chemical CorporationInventor: Xinggao Fang