Patents Assigned to The Lubrizol Corporation
  • Publication number: 20220145204
    Abstract: The disclosed technology provides a method of lubricating a compression-ignition internal combustion engine with a maximum laden mass over 2,700 kg comprising supplying to the engine a lubricating composition comprising: an oil of lubricating viscosity, a 300 TBN or higher alkaline earth metal sulfonate detergent having a metal ratio of 10 to 40, an alkaline earth metal sulfonate detergent having a metal ratio of 3 to 9, and a TBN of 81 to 180 mg KOH/g, wherein the sulfonate detergents provide a total amount of sulfonate substrate of 1 wt % to 3 wt % of the lubricating composition, 0.1 to 1.2 wt % of antioxidant, wherein at least 20 wt % of the antioxidant is a phenolic antioxidant, a borated compound present in an amount to deliver 25 ppm to 300 ppm of boron, the lubricating composition has a sulfated ash content of 0.5 wt % to not more than 1.5 wt %, and the lubricating composition has a TBN of 6.5 to 15 mg KOH/g.
    Type: Application
    Filed: January 24, 2022
    Publication date: May 12, 2022
    Applicant: The Lubrizol Corporation
    Inventors: Alexandra Mayhew, Robert I. Wilby
  • Patent number: 11326122
    Abstract: There is disclosed an antifoam component for a mechanical device which includes a poly(acrylate) copolymer. The antifoam component has improved foam performance in finished fluids utilizing dibutyl hydrogen phosphite compounds, such as driveline fluids. A lubricating composition comprising a) at least one oil of lubricating viscosity; and b) an antifoam component comprising a poly(acrylate) copolymer. The poly(acrylate) copolymer, b) may include (i) from about 30 wt % up to about 99 wt % of a (meth)acrylate monomer having C1 to C4 alkyl esters of (meth)acrylic acid; and (ii) from about 1 wt % up to about 70 wt % of a fluorinated (meth)acrylate monomer.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: May 10, 2022
    Assignee: The Lubrizol Corporation
    Inventors: Sujith Perera, Kevin J. Hughes, Elizabeth A. Schiferl, David M. Nickerson, Alonzo Smith
  • Publication number: 20220135898
    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 a metal overbased detergent. The metal overbased detergent may be selected from sulfonate detergents, phenate detergents, and salicylate detergents, especially sulfonate detergents with a metal ratio of at least 5.
    Type: Application
    Filed: January 20, 2022
    Publication date: May 5, 2022
    Applicant: The Lubrizol Corporation
    Inventors: Patrick E. Mosier, Jeffry G. Dietz, Alexander Sammut
  • Patent number: 11312896
    Abstract: In one embodiment, the present technology provides a surfactant composition comprising an imide compound in an optional solvent for use in a hydrocarbon base fluid to improve the emulsification of an acidizing agent in the hydrocarbon base fluid. In another embodiment, the present technology provides a method of employing an acidizing well-bore stimulation fluid containing the surfactant composition to stimulate a reservoir.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: April 26, 2022
    Assignee: The Lubrizol Corporation
    Inventors: Kern L. Smith, Nicole Shimek, Nadia M. Mojica
  • Publication number: 20220098509
    Abstract: The instant disclosure generally relates to lubricating compositions having an oil of lubricating viscosity and a mixed dispersant additive package. The mixed dispersant additive package can include an acylated poly(1-olefin)-based dispersant and a poly-isobutylene succinimide dispersant where the ratio of the acylated poly(1-olefin)-based dispersant to the polyisobutylene succinimide dispersant in the lubricating composition is from 3:1 to 1:3.
    Type: Application
    Filed: December 10, 2019
    Publication date: March 31, 2022
    Applicant: The Lubrizol Corporation
    Inventors: Steven Tang, Joanne L. Jones
  • Patent number: 11261398
    Abstract: A hydraulic fluid includes an oil of lubricating viscosity and at least 2 wt. % of an ester of a carboxy group-containing interpolymer comprising units derived from a vinyl aromatic monomer and units derived from a carboxylic acid monomer. The interpolymer also contains nitrogen functionality. The hydraulic fluid is at least substantially free of polyacrylates and polymethacrylates.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: March 1, 2022
    Assignee: The Lubrizol Corporation
    Inventors: Daniel J. Knapton, David Cressey, Daniel C. Visger
  • Patent number: 11254646
    Abstract: The present technology is related to imide containing quaternary ammonium salts having a hydrocarbyl substituent of number average molecular weight less 300, and additive packages having such quaternary ammonium salts and improved stability.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: February 22, 2022
    Assignee: The Lubrizol Corporation
    Inventors: David C. Arters, David J. Moreton, James H. Bush, Paul R. Stevenson, Paul E. Adams
  • Patent number: 11254893
    Abstract: A hydraulic lubricating oil composition is provided which contains a synergistic mixture of three phosphorous antiwear components in order to provide good thermal stability and good demulsibility to the lubricating oil composition.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: February 22, 2022
    Assignee: The Lubrizol Corporation
    Inventor: Shubhamita Basu
  • Publication number: 20220049178
    Abstract: The invention provides a method of lubricating a compression-ignition internal combustion engine with a maximum laden mass over 2,700 kg comprising supplying to the engine a lubricating composition comprising: an oil of lubricating viscosity, a 300 TBN or higher alkaline earth metal sulphonate detergent having a metal ratio of 10 to 40, 0.1 wt % to 4 wt % of a borated polyisobutylene succinimide dispersant, wherein the polyisobutylene from which the borated polyisobutylene succinimide is derived has a number average molecular weight of 550 to 1150, and 0.1 wt % to 6 wt % of a polyisobutylene succinimide, wherein the polyisobutylene from which polyisobutylene succinimide is derived has a number average molecular weight of 1550 to 2500, 0 wt % to 0.2 wt % of a phenolic based detergent, wherein the total amount of soap delivered by the alkaline earth metal sulphonates (typically calcium sulphonate) is 0.
    Type: Application
    Filed: October 27, 2021
    Publication date: February 17, 2022
    Applicant: The Lubrizol Corporation
    Inventors: Mary Galic Raguz, John G. Loop
  • Patent number: 11225580
    Abstract: The disclosed technology relates to corrosion- or rust-preventive coating compositions and methods of their use. The compositions comprise a rust preventative composition, optionally including a diluent, and a quaternary ammonium salt.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: January 18, 2022
    Assignee: The Lubrizol Corporation
    Inventors: Amelia Hadler, Ben Faber, Jennifer E. Clark, Britt A. Minch
  • Publication number: 20220010234
    Abstract: The instant disclosure relates to hydrocarbyl- (e.g., alkyl-) benzene sulfonate detergents and their salts, where the hydrocarbyl group includes moieties equivalent to 5 to 10 carbon branched polyene compounds. Such compounds and their salts are useful as lubricant additives. The detergents disclosed herein may solve at least one problem of providing anti-wear performance, frictional performance, oxidation performance, viscosity performance, and detergency.
    Type: Application
    Filed: November 15, 2019
    Publication date: January 13, 2022
    Applicant: The Lubrizol Corporation
    Inventors: Ewan E. Delbridge, James D. Burrington, Patrick E. Mosier, James S. Puckace
  • Publication number: 20220002157
    Abstract: The disclosed technology relates to the production of graphene by exfoliation in the presence of a dispersant, and the composition of graphene produced thereby.
    Type: Application
    Filed: November 19, 2019
    Publication date: January 6, 2022
    Applicant: The Lubrizol Corporation
    Inventors: Thomas S. Corrigan, Paul E. Adams, John S. Manka, Eric Mock, Dean Thetford
  • Patent number: 11214756
    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: September 3, 2020
    Date of Patent: January 4, 2022
    Assignee: The Lubrizol Corporation
    Inventors: Patrick E. Mosier, Jeffry G. Dietz, Alexander Sammut, Mary Galic Raguz, Matthew D. Gieselman
  • Patent number: 11208603
    Abstract: Fuel compositions comprising at least 10 ppm by weight of a succinic ester acid amine salt or a succinamide acid amine salt (both “amine salt(s)”). The amine salt is the product of (a) and (b), wherein: (a) is an amine with (i) at least one tertiary nitrogen and (ii) at least one hydroxy alkyl functional group and/or at least one secondary amine functionality; and (b) is a hydrocarbyl-substituted succinic acid/or anhydride. The molar ratio of (a) to (b) may range from 3:1 to 1:3. The fuel composition may comprise gasoline, oxygenate, or mixtures thereof. Methods and uses for reducing carbonaceous deposits in an engine comprising operating the engine using the fuel composition having an amine salt therein.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: December 28, 2021
    Assignee: The Lubrizol Corporation
    Inventors: Stuart L. Bartley, Matthew Nyce
  • Patent number: 11208612
    Abstract: Compositions prepared from an adduct of mono-maleated polyunsaturated vegetable oil and an alcohol mixture comprising a hydrophobic alcohol having at least 9 carbon atoms and methoxypolyethylene glycol having a number average molecular weight (Mn) of at least 350. Metalworking fluids comprising less than 3 wt % of a composition that is an adduct of mono-maleated polyunsaturated vegetable oil and an alcohol mixture comprising an alcohol having at least 2 carbon atoms and methoxypolyethylene glycol having a number average molecular weight (Mn) of at least 350. Methods of improving the stability and/or lubricity of a metalworking fluid using a composition that is adduct of mono-maleated polyunsaturated vegetable oil and an alcohol mixture comprising an alcohol having at least 2 carbon atoms and methoxypolyethylene glycol having a number average molecular weight (Mn) of at least 350.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: December 28, 2021
    Assignee: The Lubrizol Corporation
    Inventors: Mark J McGuiness, Theodore Hammer
  • Patent number: 11193081
    Abstract: A composition comprising an oil of lubricating viscosity and a compound represented by formula (I) wherein: R1 and R2 are each independently a hydrocarbyl group containing from about 4 to about 18 carbon atoms; p and q are each independently 0 or an integer from 1 to 3, and the sum of p and q is 1, 2, 3, 4, 5, or 6. The composition is effective at swelling seals.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: December 7, 2021
    Assignee: The Lubrizol Corporation
    Inventors: Mahmud M. Hussain, Peter Miatt
  • Patent number: 11180711
    Abstract: A lubricant composition of an oil of lubricating viscosity, a grafted copolymer viscosity modifier that is an ashless condensation reaction product of an olefin polymer, having a number average molecular weight of about 1000 to about 10,000, comprising carboxylic acid or equivalent functionality grafted onto the polymer backbone, with a monoamine or a polyamine often having a single primary amino group, which exhibits good dispersancy and viscometric performance in a driveline device.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: November 23, 2021
    Assignee: The Lubrizol Corporation
    Inventors: Sona Sivakova, David M. Nickerson, Paul Simon O'Hora, William R. S. Barton
  • Patent number: 11180710
    Abstract: A lubricant composition is provided containing an oil of lubricating viscosity and a substantially sulfur-free alkyl phosphate amine salt, where at least 30 mole percent of the phosphorus atoms are in an alkyl pyrophosphate salt structure, along with either or both of a conventional phosphorous containing antiwear additive and a glycerol ester. In the phosphate amine salt, at least 80 mole percent of the alkyl groups are typically secondary alkyl groups of 3 to 12 carbon atoms. A method of improving wear over a wide temperature range in a mechanical device is also provided by employing the lubricant composition.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: November 23, 2021
    Assignee: The Lubrizol Corporation
    Inventors: Brian B. Filippini, Suzanne Patterson, William R. S. Barton
  • Patent number: 11174444
    Abstract: The composition of the present invention related to a quaternary ammonium salt detergent and the use of such quaternary ammonium salt detergents in a fuel composition to reduce diesel injector deposits and remove or clean up existing deposits on the diesel injectors.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: November 16, 2021
    Assignee: The Lubrizol Corporation
    Inventors: James H. Bush, Robert H. Barbour, David J. Moreton, Hannah Greenfield, Paul R. Stevenson, David C. Arters
  • Patent number: 11174449
    Abstract: A composition comprising an oil of lubricating viscosity and a compound represented by formula (I) wherein: x is 0 or 1; R1 is a hydrocarbyl group containing about 4 or about 18 carbon atoms; R2 is an aliphatic hydrocarbyl group containing about 1 to about 12 carbon atoms; and y is 0 or 1, which composition is effective at swelling seals.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: November 16, 2021
    Assignee: The Lubrizol Corporation
    Inventors: Mahmud M. Hussain, Peter Miatt