Patents Assigned to The Lubrizol Corporation
  • Patent number: 12291510
    Abstract: The disclosed technology relates to derivatives of 2,5-dimercapto-1,3,4-thiadiazole.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: May 6, 2025
    Assignee: The Lubrizol Corporation
    Inventors: Paul E. Adams, Christopher M. Rasik, Ryan Richard Konrad
  • Patent number: 12275912
    Abstract: The invention is directed to a method for reducing low speed pre-ignition events in a spark-ignited direct injection internal combustion engine by supplying to the sump a lubricant composition which contains an oil of lubricating viscosity and an ashless dispersant. The ashless dispersant may be selected from succinimide compounds prepared from aliphatic or aromatic amines.
    Type: Grant
    Filed: February 13, 2023
    Date of Patent: April 15, 2025
    Assignee: The Lubrizol Corporation
    Inventors: Patrick E. Mosier, Jeffry G. Dietz, Alexander Sammut, Mary Galic Raguz, Matthew D. Gieselman
  • Publication number: 20250115823
    Abstract: The disclosed technology relates to compositions suitable for use as lubricants and lubricant additive compositions which comprise a 1,4-benzoxazine-derived antioxidant, wherein the antioxidant itself may also be described as a 1,4-benzoxazine compound, and optionally comprising other additives suitable for lubricants, such as an anti-wear agent, a detergent, or a dispersant.
    Type: Application
    Filed: July 29, 2022
    Publication date: April 10, 2025
    Applicant: The Lubrizol Corporation
    Inventor: Zachary L. Rodgers
  • Publication number: 20250092295
    Abstract: The disclosed technology relates to a heat transfer fluid and a heat transfer system and heat transfer method employing the heat transfer fluid. In particular, the technology relates to a heat transfer fluid with low electrical conductivity, low flammability, and low freeze point that provides excellent peak temperature reduction in a heat transfer system, such as that for cooling a power system of an electric vehicle or computer electronics.
    Type: Application
    Filed: July 26, 2022
    Publication date: March 20, 2025
    Applicant: The Lubrizol Corporation
    Inventors: William D. Abraham, Anil Agiral, Douglas T. Jayne, Eugene Pashkovski, Amy L. Short, Alexander Sammut, Andrew J. Richenderfer
  • Publication number: 20250059425
    Abstract: The disclosed technology relates to a heat transfer fluid and a heat transfer system and heat transfer method employing the heat transfer fluid. In particular, the technology relates to a heat transfer fluid with low electrical conductivity, low flammability, and low freeze point that provides excellent peak temperature reduction in a heat transfer system, such as that for cooling a power system of an electric vehicle or a computer server.
    Type: Application
    Filed: December 16, 2022
    Publication date: February 20, 2025
    Applicant: The Lubrizol Corporation
    Inventors: Christopher Frederick McFadden, Andrew J. Richenderfer, William D. Abraham, Alexander Sammut, Amy L. Short
  • Publication number: 20250059426
    Abstract: The disclosed technology relates to a heat transfer system and heat transfer method employing stable colloidal dispersion of a) a non-conductive, non-aqueous and non-water miscible dielectric oleaginous heat transfer fluid, b) at least one solid nanoparticle, and c) a surfactant. In particular, the technology relates to a stable colloidal dispersion with low electrical conductivity, low flammability, and low freeze point that provides excellent peak temperature reduction in a heat transfer system, such as that for cooling a battery pack or a power system of an electric vehicle.
    Type: Application
    Filed: September 16, 2024
    Publication date: February 20, 2025
    Applicant: The Lubrizol Corporation
    Inventors: Anil Agiral, Melinda E. Bartlett, Douglas T. Jayne, Eugene Pashkovski, Amy L. Short
  • Publication number: 20250034473
    Abstract: The invention provides an open gear lubricant composition containing a blend of ethylene-propylene copolymers and a metallic soap thickener. The blend of ethylene-propylene copolymers includes a first ethylene-propylene copolymer having a kinematic viscosity at 100° C. of 80 centistokes to 220 centistokes and a second ethylene-propylene copolymer having a kinematic viscosity at 100° C. 500 centistokes to 3000 centistokes. The invention further relates to a method of lubricating a mechanical device with the open gear lubricant composition.
    Type: Application
    Filed: December 1, 2022
    Publication date: January 30, 2025
    Applicant: The Lubrizol Corporation
    Inventors: Jennifer E. Clark, Robert D. Dura, Carlos Alberto Nazario, Yang Cao
  • Patent number: 12209217
    Abstract: Provided is a composition including fluid carbon dioxide and a polyolefin thickener, wherein the polyolefin thickener includes a polymer of one or more olefin monomers having 8 or more carbon atoms, wherein at least 5 mol percent of the olefin monomers have 12 or more carbon atoms. Associated methods are also provided.
    Type: Grant
    Filed: April 19, 2024
    Date of Patent: January 28, 2025
    Assignee: The Lubrizol Corporation
    Inventors: Binbin Guo, Abbas Firoozabadi
  • Publication number: 20250030008
    Abstract: The disclosed technology relates to a composition for mitigating the corrosion of the carbon support in the catalyst layer of a membrane electrode assembly by including within a layer of the membrane electrode assembly a reversible organic inhibitor.
    Type: Application
    Filed: November 17, 2022
    Publication date: January 23, 2025
    Applicant: The Lubrizol Corporation
    Inventors: Thomas S. Corrigan, Tyler Petek
  • Patent number: 12195690
    Abstract: The disclosed technology relates to an automotive or industrial gear oil for automotive or industrial gears, as well as axles and bearings, the automotive or industrial gear oil containing an oil of lubricating viscosity, an optional phosphate and/or thiophosphate compound, a particular sulfurized olefin, and a metal thiophosphate compound, such as zinc dialkyldithiophosphate, as well as a method of improving automotive or industrial gear operating efficiency and temperature by lubricating such automotive or industrial gears with the automotive or industrial gear oil.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: January 14, 2025
    Assignee: The Lubrizol Corporation
    Inventors: Brian B. Filippini, William R. S. Barton
  • Patent number: 12187974
    Abstract: Compositions comprising a) a metal detergent and b) an acid comprising at least one hydrocarbyl-substituted carboxylic acid. The metal detergent comprises at least one alkali metal, alkaline earth metal, or combinations thereof. The weight ratio of the metal detergent a) to the acid b) ranges from 50:1 to 1:10, or 25:1 to 1:10, or 10:1 to 1:10, or 5:1 to 1:7, or 2:1 to 1:3. The compositions may be added to industrial coating or lubricant compositions to reduce corrosion of metal components.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: January 7, 2025
    Assignee: The Lubrizol Corporation
    Inventors: Ryan Weber, Samantha Lauro, Christina Brancel, Britt Minch, Eric Rodeheaver, Nicholas S. Pottschmidt
  • Patent number: 12168757
    Abstract: The present invention provides, among other things, a process to produce a low molecular weight dispersant polymethacrylate polymer (“LMWDPMA”), and the LMWDPMA itself, along with the use of the LMWDPMA in a lubricating composition, as well as a method for lubricating an internal combustion engine as disclosed herein.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: December 17, 2024
    Assignees: The Lubrizol Corporation, University of Warwick
    Inventors: Paul O'Hora, Dixit Parmar, Timothy R. Smith, David M. Haddleton, Georgios Patias
  • Patent number: 12139686
    Abstract: The disclosed technology provides a lubricating composition and a method of lubricating an internal combustion engine where the lubricating composition contains an oil of lubricating viscosity, one or more metal-containing, sulfur-free, alkyl-phenol based detergents, an alkaline earth metal sulfonate detergent, a polyisobutenyl succinimide dispersant, and a dispersant viscosity modifier having a number average molecular weight of at least 20,000. The lubricating composition of the present invention can be formulated to have lower HTHS viscosity, and reduced phosphorous content, while providing protection against adhesive wear.
    Type: Grant
    Filed: June 5, 2023
    Date of Patent: November 12, 2024
    Assignee: The Lubrizol Corporation
    Inventors: John G. Loop, Mary Galic Raguz
  • Publication number: 20240365516
    Abstract: The disclosed technology relates to a heat transfer fluid and a heat transfer system and heat transfer method employing the heat transfer fluid. In particular, the technology relates to a heat transfer fluid with low electrical conductivity, low flammability, and low freeze point that provides excellent peak temperature reduction in a heat transfer system, such as that for cooling a power system of an electric vehicle or computer electronics.
    Type: Application
    Filed: July 26, 2022
    Publication date: October 31, 2024
    Applicant: The Lubrizol Corporation
    Inventors: William D. Abraham, Anil Agiral, Douglas T. Jayne, Eugene Pashkovski, Amy L. Short, Alexander Sammut, Andrew J. Richenderfer
  • Patent number: 12129442
    Abstract: There is disclosed an antifoam component which includes at least one poly(acrylate) copolymer for use in a fuel. Poly(acrylate) polymers prepared by polymerizing a (meth)acrylate monomer comprising C1 to C30 alkyl esters of (meth)acrylic acid (“multifunctional monomer”) are also disclosed. Other poly(acrylate) polymers prepared by polymerizing (i) a (meth)acrylate monomer comprising C1 to C4 alkyl esters of (meth)acrylic acid (“solubility monomer”); (ii) a (meth)acrylate monomer comprising C5 to C12 alkyl esters of (meth)acrylic acid (“surface tension monomer”); and (iii) optionally at least one additional monomer comprising a solubility monomer, a surface tension monomer, a monomer comprising C1 to C30 alkyl esters of (meth)acrylic acid (“multifunctional monomer”), or combinations thereof are also disclosed.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: October 29, 2024
    Assignee: The Lubrizol Corporation
    Inventors: James H. Bush, David M. Nickerson, Rochelle L. Kovach, Jayasooriya Sujith Perera, Elizabeth A. Schiferl, Kevin J. Hughes, Kamalakumari K. Salem
  • Publication number: 20240352374
    Abstract: The disclosed technology relates to a lubricant composition for automotive or industrial gears, as well as axles and bearings, the automotive or industrial gear oil containing an oil of lubricating viscosity, an optional phosphate and/or thiophosphate compound, a particular sulfurized olefin, either a metal thiophosphate compound, such as zinc dialkyldithiophosphate, a thiadiazole functionalized dispersant, or a mixture thereof, and a hydroxyl/amine containing booster, as well as a method of improving automotive or industrial gear operating efficiency and temperature by lubricating such automotive or industrial gears with the automotive or industrial gear oil.
    Type: Application
    Filed: August 12, 2022
    Publication date: October 24, 2024
    Applicant: The Lubrizol Corporation
    Inventors: Brian B. Filippini, William R.S. Barton
  • Publication number: 20240352372
    Abstract: The instant disclosure relates to lubricating compositions having improved frictional properties. The lubricating compositions include an oil of lubricating viscosity and a friction modifier that is a C10 to C14 alkenyl carboxylic acid ester of an aliphatic diol or polyol, where the double bond of the alkenyl group is within or directly attached to the longest continuous chain of the alkenyl group.
    Type: Application
    Filed: August 18, 2022
    Publication date: October 24, 2024
    Applicant: The Lubrizol Corporation
    Inventors: Daniel J. Saccomando, William R.S. Barton, Charlotte Ellen Roy
  • Patent number: 12122954
    Abstract: The disclosed technology relates to a heat transfer system and heat transfer method employing stable colloidal dispersion of a) a non-conductive, non-aqueous and non-water miscible dielectric oleaginous heat transfer fluid, b) at least one solid nanoparticle, and c) a surfactant. In particular, the technology relates to a stable colloidal dispersion with low electrical conductivity, low flammability, and low freeze point that provides excellent peak temperature reduction in a heat transfer system, such as that for cooling a battery pack or a power system of an electric vehicle.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: October 22, 2024
    Assignee: The Lubrizol Corporation
    Inventors: Anil Agiral, Melinda E. Bartlett, Douglas T. Jayne, Eugene Pashkovski, Amy L. Short
  • Patent number: 12104133
    Abstract: Fuel additive compositions having at least one acylated detergent, at least one Mannich detergent, and at least one polyether and/or polyetheramine. The acylated detergent may be the reaction product of a hydrocarbyl-substituted acylating agent and a nitrogen containing compound having at least one amino group, that may optionally be quaternizable, and at least one oxygen or nitrogen atom capable of reacting with the hydrocarbyl-substituted acylating agent. The compositions are useful for reducing the formation of carbonaceous deposits and/or cleaning carbonaceous deposits in an engine, such as a gasoline direct injection engine.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: October 1, 2024
    Assignee: The Lubrizol Corporation
    Inventors: Stuart L. Bartley, Garrett Parker, Paul R. Stevenson, Jeremy Cleron, Hannah Greenfield
  • Patent number: 12104132
    Abstract: Methods of reducing stochastic pre-ignition events and/or carbonaceous deposits in a gasoline-fueled engine by adding at least 10 ppm by weight of a compound having at least one alkyl succinic acid group to a gasoline fuel, wherein said compound is the product of (a) and (b), wherein: (a) is an amine with at least one tertiary nitrogen, water, or a hydrocarbyl substituted alcohol; and (b) is a hydrocarbyl-substituted succinic acid and/or anhydride.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: October 1, 2024
    Assignee: The Lubrizol Corporation
    Inventors: Garrett Parker, Stuart L. Bartley, Alexander Michlberger, Anthony R. Frank, Michael D. Nicholls, Adam E. Franczak, David L. Spivey, Alexander Holmes, George S. Szappanos, Mark C. Davies