Patents Assigned to Afton Chemical Corporation
  • Patent number: 11976250
    Abstract: 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: Grant
    Filed: December 22, 2022
    Date of Patent: May 7, 2024
    Assignee: Afton Chemical Corporation
    Inventors: Paul Kondracki, Edward Standefer, Peter Hou
  • Patent number: 11976252
    Abstract: The present disclosure provides a detergent additives and methods for preparing a sulfurized alkyl phenate product from polyalphaolefins.
    Type: Grant
    Filed: February 20, 2023
    Date of Patent: May 7, 2024
    Assignee: Afton Chemical Corporation
    Inventors: Xin Tian, Jason Bell, Steven Anderson
  • Patent number: 11970671
    Abstract: 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: Grant
    Filed: July 15, 2022
    Date of Patent: April 30, 2024
    Assignee: Afton Chemical Corporation
    Inventors: Paul Ransom, Latifa Hamdani
  • Patent number: 11958875
    Abstract: 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: Grant
    Filed: March 31, 2023
    Date of Patent: April 16, 2024
    Assignee: Afton Chemical Corporation
    Inventors: Brandon Knouse, David Edwards, Magdalena Makowska, Gregory James
  • Patent number: 11939551
    Abstract: 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: Grant
    Filed: June 27, 2023
    Date of Patent: March 26, 2024
    Assignee: Afton Chemical Corporation
    Inventors: Ramnath Iyer, Lisa Thalen
  • Patent number: 11926804
    Abstract: 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: Grant
    Filed: January 31, 2023
    Date of Patent: March 12, 2024
    Assignee: Afton Chemical Corporation
    Inventors: Leah Donham, Kongsheng Yang, Kenneth Garelick, Kristi Engelman
  • Patent number: 11912955
    Abstract: 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: Grant
    Filed: October 28, 2022
    Date of Patent: February 27, 2024
    Assignee: Afton Chemical Corporation
    Inventors: Samuel Bruce Field, Kenneth Garelick, Hidetaka Hoshino, Guillaume Carpentier
  • Patent number: 11898119
    Abstract: 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: Grant
    Filed: January 25, 2022
    Date of Patent: February 13, 2024
    Assignee: AFTON CHEMICAL CORPORATION
    Inventors: Todd Dvorak, Kenneth Garelick, Mark Devlin
  • Patent number: 11884893
    Abstract: 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: Grant
    Filed: March 31, 2023
    Date of Patent: January 30, 2024
    Assignee: Afton Chemical Corporation
    Inventors: Brandon Knouse, David Edwards, Magdalena Makowska, Gregory James, Robert Mccovick
  • Patent number: 11884892
    Abstract: 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: Grant
    Filed: March 31, 2023
    Date of Patent: January 30, 2024
    Assignee: Afton Chemical Corporation
    Inventors: Brandon Knouse, David Edwards, Magdalena Makowska, Keith Hayes, Gregory James
  • Patent number: 11884890
    Abstract: 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: Grant
    Filed: February 7, 2023
    Date of Patent: January 30, 2024
    Assignee: Afton Chemical Corporation
    Inventors: Janice Jianzhao Wang, Julienne Galante-Fox, Shannon Bendel, Saeid Shirazi
  • Publication number: 20240026243
    Abstract: 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: Application
    Filed: July 14, 2022
    Publication date: January 25, 2024
    Applicant: AFTON CHEMICAL CORPORATION
    Inventor: Bryan Rock
  • Patent number: 11873461
    Abstract: A sulfurized extreme pressure additive and lubricant including the same providing good copper corrosion and seal compatibility.
    Type: Grant
    Filed: September 22, 2022
    Date of Patent: January 16, 2024
    Assignee: Afton Chemical Corporation
    Inventors: David Edwards, LeAnna Hobbs, Magdalena Makowska, Jon Jacoby
  • Patent number: 11851628
    Abstract: 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: Grant
    Filed: December 21, 2021
    Date of Patent: December 26, 2023
    Assignee: AFTON CHEMICAL CORPORATION
    Inventors: Mark Devlin, Kenneth Garelick, Todd Dvorak
  • Patent number: 11820956
    Abstract: 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: Grant
    Filed: April 14, 2022
    Date of Patent: November 21, 2023
    Assignee: Afton Chemical Corporation
    Inventors: Tsuneo Adachi, Lesley Schmid, Hideaki Mitsui, Christopher Cleveland, Atanu Adhvaryu
  • Patent number: 11814599
    Abstract: 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: Grant
    Filed: March 31, 2022
    Date of Patent: November 14, 2023
    Assignee: Afton Chemical Corporation
    Inventors: Piotr Grzyska, Yungwan Kwak
  • Patent number: 11807827
    Abstract: 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: Grant
    Filed: January 18, 2022
    Date of Patent: November 7, 2023
    Assignee: Afton Chemical Corporation
    Inventor: Kenneth Garelick
  • Patent number: 11795412
    Abstract: 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: Grant
    Filed: March 3, 2023
    Date of Patent: October 24, 2023
    Assignee: AFTON CHEMICAL CORPORATION
    Inventors: David Edwards, Helen Ryan
  • Patent number: 11788026
    Abstract: 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: Grant
    Filed: July 28, 2021
    Date of Patent: October 17, 2023
    Assignee: AFTON CHEMICAL CORPORATION
    Inventors: Helen Dyer, Jason Bell
  • Patent number: 11788027
    Abstract: 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: Grant
    Filed: February 18, 2022
    Date of Patent: October 17, 2023
    Assignee: AFTON Chemical Corporation
    Inventors: Todd Dvorak, Kenneth Garelick, Mark Devlin