Patents Assigned to Afton Chemical Corporation
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Patent number: 11773343Abstract: The present disclosure relates to methods of improving viscosity shear stability of a lubricating oil and lubricating oil composition comprising: a base oil of lubricating viscosity; an amount of one or more zinc dialkyl dithiophosphate compound(s); wherein the lubricating oil composition has one or both of the following ratios: a) a ratio of KV40° C.fresh to a weight % of zinc contributed by the one or more zinc dialkyl dithiophosphate compound(s) based on a total weight of the lubricating oil composition, of greater than 510, wherein KV40° C.fresh is the kinematic viscosity of the fresh lubricating oil composition at 40° C.; and b) a ratio of KV40° C.fresh to a weight % of phosphorus contributed by the one or more zinc dialkyl dithiophosphate compound(s) based on a total weight of the lubricating oil composition, of greater than 560, wherein KV40° C.fresh is the kinematic viscosity of the fresh lubricating oil composition at 40° C.Type: GrantFiled: November 17, 2021Date of Patent: October 3, 2023Assignee: AFTON CHEMICAL CORPORATIONInventors: Kenneth Garelick, Todd Dvorak, Mark Devlin
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Patent number: 11760953Abstract: A viscosity index improver comprising a reaction product of (i) an acylated copolymer obtainable by acylating a copolymer of ethylene and one or more C3-C10 alpha-olefins having an Mn of 3,000 to 250,000 g/mol; and (ii) a compound of the formulae (III)-(V): wherein R6, R8, R9, R10, R12 and R15 are independently selected from a hydrogen and an optionally substituted linear or branched alkyl or alkenyl group, and R7, R11, R13, R14, R16, and R17 are independent selected from an optionally substituted linear or branched alkyl or alkenyl group, and a sum of the number of carbon atoms in each compound of the formulae (III)-(V) is from 6 to 31.Type: GrantFiled: July 15, 2021Date of Patent: September 19, 2023Assignee: AFTON Chemical CorporationInventors: Sheng Jiang, Arturo Carranza
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Patent number: 11753599Abstract: The present disclosure relates to methods for improving phosphorus retention and improving antiwear performance in an internal combustion engine of a hybrid vehicle, comprising lubricating the internal combustion engine of the hybrid vehicle with a lubricating oil composition comprising: greater than 50 wt. % of a base oil of lubricating viscosity; and an amount of one or more zinc dialkyl dithiophosphate compound(s) sufficient to provide: from about 100 ppmw phosphorus to about 1000 ppmw phosphorus, based on a total weight of the lubricating oil composition; and from about 10 ppmw zinc to about 1200 ppmw zinc, based on the total weight of the lubricating oil composition.Type: GrantFiled: May 6, 2022Date of Patent: September 12, 2023Assignee: AFTON CHEMICAL CORPORATIONInventors: Huifang Shao, Mark Devlin, Paul Ransom, Guillaume Carpentier
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Publication number: 20230265356Abstract: 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: ApplicationFiled: February 18, 2022Publication date: August 24, 2023Applicant: AFTON CHEMICAL CORPORATIONInventors: Todd Dvorak, Kenneth Garelick, Mark Devlin
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Publication number: 20230235243Abstract: 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 PNM 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: ApplicationFiled: January 25, 2022Publication date: July 27, 2023Applicant: AFTON CHEMICAL CORPORATIONInventors: Todd Dvorak, Kenneth Garelick, Mark Devlin
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Patent number: 11685871Abstract: The present disclosure relates to a method of reducing regeneration frequency of a diesel particulate filter in a vehicle combusting diesel fuel. The method includes combusting a diesel fuel in a vehicle engine having a diesel particulate filter and wherein the diesel particulate filter requires regeneration thereof. The diesel fuel has less than about 50 ppmw of sulfur and one or more select additives to reduce a measured frequency of regeneration of the diesel particulate filter.Type: GrantFiled: April 25, 2022Date of Patent: June 27, 2023Assignee: Afton Chemical CorporationInventors: Julienne Galante-Fox, Timothy J. Whalen, Daniel Taylor
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Publication number: 20230193151Abstract: 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 (TEN) of the one or more dispersants to the TEN of the lubricating oil composition is a multiplication factor Zn*TBNDisp of at least about 0.Type: ApplicationFiled: December 21, 2021Publication date: June 22, 2023Applicant: AFTON CHEMICAL CORPORATIONInventors: Mark Devlin, Kenneth Garelick, Todd Dvorak
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Patent number: 11680222Abstract: A lubricating composition including a polymer blend of a modified styrene-maleic anhydride copolymer and poly(meth)acrylate copolymer effective to maintain a pumpable fluid at low temperatures.Type: GrantFiled: October 22, 2021Date of Patent: June 20, 2023Assignee: Afton Chemical CorporationInventors: Kongsheng Yang, Youhong Wang, Sheng Jiang
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Patent number: 11667866Abstract: 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: July 19, 2021Date of Patent: June 6, 2023Assignee: AFTON CHEMICAL CORPORATIONInventor: David Edwards
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Publication number: 20230151292Abstract: The present disclosure relates to methods of improving viscosity shear stability of a lubricating oil and lubricating oil composition comprising: a base oil of lubricating viscosity; an amount of one or more zinc dialkyl dithiophosphate compound(s); wherein the lubricating oil composition has one or both of the following ratios: a) a ratio of KV40° C.fresh to a weight % of zinc contributed by the one or more zinc dialkyl dithiophosphate compound(s) based on a total weight of the lubricating oil composition, of greater than 510, wherein KV40° C.fresh is the kinematic viscosity of the fresh lubricating oil composition at 40° C.; and b) a ratio of KV40° C.fresh to a weight % of phosphorus contributed by the one or more zinc dialkyl dithiophosphate compound(s) based on a total weight of the lubricating oil composition, of greater than 560, wherein KV40° C.fresh is the kinematic viscosity of the fresh lubricating oil composition at 40° C.Type: ApplicationFiled: November 17, 2021Publication date: May 18, 2023Applicant: AFTON Chemical CorporationInventors: Kenneth Garelick, Todd Dvorak, Mark Devlin
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Patent number: 11639480Abstract: A lubricating composition for a transmission or gearbox including a mixture of products providing phosphorus to the fluids effective to achieve good adhesive wear and abrasive wear.Type: GrantFiled: June 20, 2022Date of Patent: May 2, 2023Assignee: Afton Chemical CorporationInventor: John Marshall Baker
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Patent number: 11634655Abstract: A multi-grade lubricating oil including a (meth)acrylate polymer with at least two distinct molecular weight arms and a blend of heavier and lighter base oils with increased amounts of the heavier base oil to achieve SAE grade performance. The compositions herein achieve SAE certifications as lower CCS viscosities at target kinematic viscosities for multi-grade oils.Type: GrantFiled: March 30, 2021Date of Patent: April 25, 2023Assignee: AFTON CHEMICAL CORPORATIONInventors: Arturo Carranza, Neil Harris
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Publication number: 20230093530Abstract: A lubricating oil composition and method for controlling timing chain stretch, wherein the composition contains greater than 50 wt. % of base oil, zinc dialkyl dithiophosphate(s) to provide 350-2200 ppm zinc, molybdenum-containing compound(s) to provide >1-3000 ppm molybdenum, and magnesium-containing detergent(s) to provide <2050 ppm magnesium, all based on the total weight of the composition. The composition has a total TBN of less than 7.5 mg KOH/g, measured by ASTM D-2896 and a weight ratio of ppm of zinc from zinc dialkyl dithiophosphate(s) to ppm of molybdenum from molybdenum-containing compound(s) of <10. The method employs the lubricating oil composition to control timing chain stretch to a level of 0.1% or less.Type: ApplicationFiled: July 31, 2021Publication date: March 23, 2023Applicant: AFTON CHEMICAL CORPORATIONInventors: Ken Garelick, Lesley Schmid, Kristi Engelman
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Patent number: 11608477Abstract: A lubricating oil composition and method for controlling timing chain stretch, wherein the composition contains greater than 50 wt. % of base oil, zinc dialkyl dithiophosphate(s) to provide 350-2200 ppm zinc, molybdenum-containing compound(s) to provide >1-3000 ppm molybdenum, and magnesium-containing detergent(s) to provide <2050 ppm magnesium, all based on the total weight of the composition. The composition has a total TBN of less than 7.5 mg KOH/g, measured by ASTM D-2896 and a weight ratio of ppm of zinc from zinc dialkyl dithiophosphate(s) to ppm of molybdenum from molybdenum-containing compound(s) of <10. The method employs the lubricating oil composition to control timing chain stretch to a level of 0.1% or less.Type: GrantFiled: July 31, 2021Date of Patent: March 21, 2023Assignee: AFTON Chemical CorporationInventors: Ken Garelick, Leslie Schmid, Kristi Engelman
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Patent number: 11584898Abstract: A polymer surfactant for improving engine oil emulsion properties of a lubricating composition mixed with water and/or fuel contamination, particularly at very cold temperatures, is described herein. In approaches, selected polymeric and functionalized compounds can impart both robust emulsion properties and simultaneously deliver good low temperature fluidity for lubricating compositions that may contain residual amounts of water and/or fuel contamination. Lubricating compositions including such surfactants demonstrate robust properties at temperatures down to about ?30° C.Type: GrantFiled: October 16, 2020Date of Patent: February 21, 2023Assignee: Afton Chemical CorporationInventors: Yunhai Bai, Joseph Remias, Yen Tran, Amy M. James, Kristi Engelman
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Patent number: 11584897Abstract: A lubricating oil composition including a major amount of a base oil, one or more calcium-containing detergents to provide at least 1000 ppmw of calcium, and one or more silicon-containing compound(s) to provide at least 50 ppmw of silicon to the lubricating oil composition, all based on the total weight of the lubricating oil composition, wherein a ratio of ppmw of silicon provided by the one or more silicon-containing compound(s) to the lubricating oil composition to the ppmw of calcium provided by the one or more calcium-containing detergent(s) to the lubricating oil composition is from 0.02 to 1. Methods of using these compositions and silicon-containing detergents are also described.Type: GrantFiled: January 27, 2021Date of Patent: February 21, 2023Assignee: Afton Chemical CorporationInventors: Ashutosh Gupta, Ian Bell, Kongsheng Yang, Alexei Neverov, Joseph W. Roos, Joseph Remias
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Patent number: 11578287Abstract: This disclosure describes lubricating additives and lubricants including such additives suitable for and/or configured for mixed fleet use and, for instance, additives and lubricants that satisfy performance standards for typical spark ignition passenger car lubricants as well as performance standards for lubricants suitable for typical compression ignition heavy duty engine applications.Type: GrantFiled: December 21, 2021Date of Patent: February 14, 2023Assignee: Afton Chemical CorporationInventors: Nicholas Giles, Abaigeal Ritzenthaler, Leah Donham
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Patent number: 11572523Abstract: 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 un-sulfurized alkyl phenols.Type: GrantFiled: January 26, 2022Date of Patent: February 7, 2023Assignee: Afton Chemical CorporationInventors: Paul Kondracki, Edward Standefer, Peter Hou
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Patent number: 11572524Abstract: A gear fluid composition for lubricating a driveline including organic sulfide compounds effective to achieve passing friction, extreme pressure, and copper corrosion.Type: GrantFiled: May 25, 2022Date of Patent: February 7, 2023Assignee: Afton Chemical CorporationInventor: Carey Lehner
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Publication number: 20220389345Abstract: The present disclosure relates to methods for improving phosphorus retention and improving antiwear performance in an internal combustion engine of a hybrid vehicle, comprising lubricating the internal combustion engine of the hybrid vehicle with a lubricating oil composition comprising: greater than 50 wt. % of a base oil of lubricating viscosity; and an amount of one or more zinc dialkyl dithiophosphate compound(s) sufficient to provide: from about 100 ppmw phosphorus to about 1000 ppmw phosphorus, based on a total weight of the lubricating oil composition; and from about 10 ppmw zinc to about 1200 ppmw zinc, based on the total weight of the lubricating oil composition.Type: ApplicationFiled: May 6, 2022Publication date: December 8, 2022Applicant: AFTON CHEMICAL CORPORATIONInventors: Huifang Shao, Mark Devlin, Paul Ransom, Guillaume Carpentier