Patents Assigned to Afton Chemical Corporation
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Patent number: 11976250Abstract: The present disclosure provides a detergent additives and methods for preparing a sulfurized alkyl phenate product to achieve a high sulfurization ratio and low levels of unsulfurized alkyl phenols.Type: GrantFiled: December 22, 2022Date of Patent: May 7, 2024Assignee: Afton Chemical CorporationInventors: Paul Kondracki, Edward Standefer, Peter Hou
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Patent number: 11976252Abstract: The present disclosure provides a detergent additives and methods for preparing a sulfurized alkyl phenate product from polyalphaolefins.Type: GrantFiled: February 20, 2023Date of Patent: May 7, 2024Assignee: Afton Chemical CorporationInventors: Xin Tian, Jason Bell, Steven Anderson
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Patent number: 11970671Abstract: The present disclosure relates to lubricating compositions having a stable viscosity upon oxidization through select amounts and relationships of detergent metals and soap contents.Type: GrantFiled: July 15, 2022Date of Patent: April 30, 2024Assignee: Afton Chemical CorporationInventors: Paul Ransom, Latifa Hamdani
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Patent number: 11958875Abstract: A mixture including a thiophosphoric acid product suitable for preparing organometallic and/or ashless antiwear additives having improved copper corrosion performance. The thiophosphoric acid product is distilled and recovered as a condensate of the distillation and having a low level of active sulfur.Type: GrantFiled: March 31, 2023Date of Patent: April 16, 2024Assignee: Afton Chemical CorporationInventors: Brandon Knouse, David Edwards, Magdalena Makowska, Gregory James
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Patent number: 11939551Abstract: An electric motor driveline fluid for an electric motor system including a lubricating base oil, at least one sulfurized component, and at least one dispersant derived from a polyisobutylene having an average number molecular weight of at least 2000. The electric motor driveline fluid provides acceptable wear performance as well as good electrical conductivity and oxidative stability for use in electric motor system fluids having a low viscosity when select elemental relationships of phosphorus, sulfur, and calcium and included in the fluid.Type: GrantFiled: June 27, 2023Date of Patent: March 26, 2024Assignee: Afton Chemical CorporationInventors: Ramnath Iyer, Lisa Thalen
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Patent number: 11926804Abstract: The present disclosure relates to passenger car motor oil lubricating oil compositions having select dispersant and detergent systems to improve at least one of deposits, sludge, oxidization, and wear when using a blend of API Group II base oils with one or more API Group III and/or API Group IV base oils. The dispersant systems herein includes select amounts of boron, nitrogen, and total base number contributions that surprisingly achieve performance even when including higher amounts of the API Group II base oils in the lubricants.Type: GrantFiled: January 31, 2023Date of Patent: March 12, 2024Assignee: Afton Chemical CorporationInventors: Leah Donham, Kongsheng Yang, Kenneth Garelick, Kristi Engelman
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Patent number: 11912955Abstract: The present disclosure relates to lubricating compositions including effective amounts of molybdenum from an oil-soluble molybdenum compound and a magnesium boost in the detergent system to achieve passing motor friction and valve train wear performance.Type: GrantFiled: October 28, 2022Date of Patent: February 27, 2024Assignee: Afton Chemical CorporationInventors: Samuel Bruce Field, Kenneth Garelick, Hidetaka Hoshino, Guillaume Carpentier
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Patent number: 11898119Abstract: A lubricating oil composition comprising greater than 50 wt. % of a base oil of lubricating viscosity, and an additive composition comprising: an amount of one or more zinc dialkyl dithiophosphates (ZDDP compounds) and an amount of one or more viscosity modifiers, wherein an amount of phosphorus (P) in weight percent provided to the lubricating oil composition by the one or more ZDDP compounds divided by the amount of the one or more viscosity modifiers (VM) in weight percent based on a total weight of the lubricating oil composition is a P/VM quotient of more than about 0.0075. The lubricating oil composition can improve resistance to engine deposits and extend oil drain intervals of an internal combustion engine.Type: GrantFiled: January 25, 2022Date of Patent: February 13, 2024Assignee: AFTON CHEMICAL CORPORATIONInventors: Todd Dvorak, Kenneth Garelick, Mark Devlin
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Patent number: 11884893Abstract: An oil-soluble ashless antiwear additive and a lubricating composition including the ashless antiwear additive having improved copper corrosion performance obtained by reacting an organic hydroxy compound with phosphorus pentasulfide to form a reaction product, distilling the reaction product and recovering a condensate, and reacting the condensate with an unsaturated carboxylic acid to form an oil-soluble phosphorus antiwear additive.Type: GrantFiled: March 31, 2023Date of Patent: January 30, 2024Assignee: Afton Chemical CorporationInventors: Brandon Knouse, David Edwards, Magdalena Makowska, Gregory James, Robert Mccovick
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Patent number: 11884892Abstract: An organometallic phosphorus-providing antiwear additive and a lubricating composition including the organometallic phosphorus-providing antiwear additive having improved copper corrosion performance obtained by reacting an organic hydroxy compound with phosphorus pentasulfide to form a reaction product, distilling the reaction product and recovering a condensate, and neutralizing the condensate with a basic or neutral metal compound including one or more of a metal oxide, a metal hydroxide, or a metal carbonate to form the organometallic phosphorus-providing antiwear additive or salt thereof.Type: GrantFiled: March 31, 2023Date of Patent: January 30, 2024Assignee: Afton Chemical CorporationInventors: Brandon Knouse, David Edwards, Magdalena Makowska, Keith Hayes, Gregory James
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Patent number: 11884890Abstract: The present disclosure provides fuel additives including quaternary ammonium salt additive(s) and Mannich detergent additive(s) effective to improve engine performance in both port fuel injected and gasoline direct injection engines.Type: GrantFiled: February 7, 2023Date of Patent: January 30, 2024Assignee: Afton Chemical CorporationInventors: Janice Jianzhao Wang, Julienne Galante-Fox, Shannon Bendel, Saeid Shirazi
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Publication number: 20240026243Abstract: The disclosure relates to methods of operating transmissions and for providing bearing pitting protection and a passing static friction performance according to Caterpillar TO-4 SEQ 1221 in a transmission including lubricating the transmission with a transmission fluid composition comprising: greater than 50 wt. % of a base oil of lubricating viscosity; an amount of one or more overbased calcium sulfonate detergent(s) to provide from about 2000 ppm to about 5000 ppm of calcium; an amount of one or more zinc dialkyl dithiophosphate compound(s) to provide from about 700 ppm to about 1500 ppm of zinc; and an amount of one or more molybdenum-containing compound(s) to provide from about 5 ppmw to about 300 ppmw molybdenum, and the one or more molybdenum-containing compound(s) is selected from the group consisting of molybdenum dithiocarbamates, molybdenum phosphorodithioates, organomolybdenum complexes, molybdenum dialkyldithiophosphates and mixtures thereof.Type: ApplicationFiled: July 14, 2022Publication date: January 25, 2024Applicant: AFTON CHEMICAL CORPORATIONInventor: Bryan Rock
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Patent number: 11873461Abstract: A sulfurized extreme pressure additive and lubricant including the same providing good copper corrosion and seal compatibility.Type: GrantFiled: September 22, 2022Date of Patent: January 16, 2024Assignee: Afton Chemical CorporationInventors: David Edwards, LeAnna Hobbs, Magdalena Makowska, Jon Jacoby
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Patent number: 11851628Abstract: A lubricating oil composition comprising greater than 50 wt. % of a base oil of lubricating viscosity, and either: a) an additive composition comprising: one or more zinc dialkyl dithiophosphates (ZDDP compounds) and one or more dispersants, wherein the amount of zinc (Zn) in weight percent provided to the lubricating oil composition by the one or more ZDDP compounds multiplied by the contribution of the total base number (TBN) of the one or more dispersants to the TBN of the lubricating oil composition is a multiplication factor Zn*TBNDisp of at least about 0.Type: GrantFiled: December 21, 2021Date of Patent: December 26, 2023Assignee: AFTON CHEMICAL CORPORATIONInventors: Mark Devlin, Kenneth Garelick, Todd Dvorak
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Patent number: 11820956Abstract: The present disclosure relates to a lubricating fluid for an electric motor system and a method of lubricating gears and cooling a motor in an electric motor system. In particular, the disclosed technology relates to a lubricating fluid, for use in electric motor vehicle, comprising an oil of lubricating viscosity and at least one phosphorylated dispersant exhibiting increased resistivity after aging.Type: GrantFiled: April 14, 2022Date of Patent: November 21, 2023Assignee: Afton Chemical CorporationInventors: Tsuneo Adachi, Lesley Schmid, Hideaki Mitsui, Christopher Cleveland, Atanu Adhvaryu
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Patent number: 11814599Abstract: The present disclosure relates to a driveline for an electric or hybrid-electric vehicle including an electric motor with an insulated magnet wire and a lubricating and cooling fluid configured to maintain the durability of the magnet wire.Type: GrantFiled: March 31, 2022Date of Patent: November 14, 2023Assignee: Afton Chemical CorporationInventors: Piotr Grzyska, Yungwan Kwak
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Patent number: 11807827Abstract: This disclosure describes blends of detergent and antiwear lubricating additives and lubricants including such additive blends effective to reduce high-temperature deposits, and in particular, high-temperature deposits in low ash compositions.Type: GrantFiled: January 18, 2022Date of Patent: November 7, 2023Assignee: Afton Chemical CorporationInventor: Kenneth Garelick
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Patent number: 11795412Abstract: A gear fluid composition for lubricating a driveline including a combination of short-chain polysulfide and long-chain polysulfide extreme pressure agents to minimize sulfur loss and to maintain high extreme pressure performance.Type: GrantFiled: March 3, 2023Date of Patent: October 24, 2023Assignee: AFTON CHEMICAL CORPORATIONInventors: David Edwards, Helen Ryan
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Patent number: 11788026Abstract: The present invention provides a hydraulic fluid comprising: (a) 40 to 2000 ppm by weight in terms of nitrogen content of a corrosion inhibiting agent which is one or more compounds of formula (I): and/or tribologically acceptable salts thereof, wherein in formula (I): each R1 is independently a hydrocarbyl group comprising 1 to 10 carbon atoms, x is 0 to 4, each of R2 and R3 is independently hydrogen or a hydrocarbyl group comprising 1 to 20 carbon atoms, R4 is —NR5R6 or —OR7, each of R5 and R6 is independently an aryl group comprising 6 to 14 carbon atoms, optionally substituted with one or more hydrocarbyl groups comprising 1 to 20 carbon atoms, R7 is a hydrocarbyl group comprising 1 to 20 carbon atoms, and in each of said hydrocarbyl groups containing 2 or more carbon atoms, the carbon chain may, independently, optionally be interrupted by one or more ether groups; (b) 0.1 to 1% by weight of an ashless dispersant; and (c) a major amount of a base oil.Type: GrantFiled: July 28, 2021Date of Patent: October 17, 2023Assignee: AFTON CHEMICAL CORPORATIONInventors: Helen Dyer, Jason Bell
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Patent number: 11788027Abstract: A lubricating oil composition comprising greater than 50 wt. % of a base oil of lubricating viscosity; an amount of one or more ester(s) of a polyhydric alcohol; an amount of one or more boron-containing dispersant(s); wherein a ratio of the amount of the one or more ester(s) of a polyhydric alcohol in weight percent provided to the lubricating oil composition, to an amount of boron in weight percent provided by the one or more boron-containing dispersant(s), based on the total weight of the lubricating oil composition is less than 40. The lubricating oil composition has improved corrosion performance in an engine or other mechanical components lubricated with the lubricating oil.Type: GrantFiled: February 18, 2022Date of Patent: October 17, 2023Assignee: AFTON Chemical CorporationInventors: Todd Dvorak, Kenneth Garelick, Mark Devlin