Patents Assigned to The Lubrizol Corporation
  • Publication number: 20200048573
    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: Application
    Filed: April 25, 2018
    Publication date: February 13, 2020
    Applicant: The Lubrizol Corporation
    Inventors: Brian B. Filippini, Suzanne Patterson, William R.S. Barton
  • Patent number: 10550348
    Abstract: The present invention relates to a lubricating composition containing (a) an oil of lubricating viscosity; and (b) a compound selected from the group consisting of: (i) an ester-containing heterocycle; (ii) an amide-containing heterocycle; and (iii) a pyrimidine, wherein the ester-containing heterocycle and the amide-containing heterocycle have a hydrocarbyl group containing 6 to 40 carbon atoms. The invention further provides for a method of supplying an internal combustion engine with the lubricating composition.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: February 4, 2020
    Assignee: The Lubrizol Corporation
    Inventors: Patrick E. Mosier, Jason R. Brown, Matthew D. Gieselman, Calvin W. Schroeck, Seth L. Crawley, William R. S. Barton, William C. Ward, Jr.
  • Patent number: 10526559
    Abstract: The disclosed technology provides a lubricating composition comprising an oil of lubricating viscosity and 0.2 wt % to 10 wt % of a salt of a hydroxyl functional aromatic compound. The disclosed technology further relates to a method of lubricating a mechanical device with the lubricant composition.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: January 7, 2020
    Assignee: The Lubrizol Corporation
    Inventors: Kamalakumari Kunchithapatham Salem, David J. Moreton, Mohamed G. Fahmy, Gary M. Walker, James P. Roski, Adam Cox, W. Preston Barnes, Ewan E. Delbridge, Jason E. Melvin, Robert D. Dura
  • Patent number: 10519396
    Abstract: A lubricant composition comprising an oil of lubricating viscosity and 0.01 to 5 percent by weight of 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, exhibits good antiwear performance, even in the presence of corrosion inhibitor additives. 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.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: December 31, 2019
    Assignee: The Lubrizol Corporation
    Inventors: Suzanne Patterson, Brian B. Filippini, Tomoya Higuchi, William R. S. Barton
  • Patent number: 10519395
    Abstract: The invention provides a lubricant composition comprising an oil of lubricating viscosity and a (thio)phosphoric acid salt of an N-hydrocarbyl-substituted gamma- (?-) or delta- (?-)amino(thio)ester. The invention further relates to a method of lubricating a mechanical device with the lubricant composition.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: December 31, 2019
    Assignee: The Lubrizol Corporation
    Inventors: Daniel J. Saccomando, William R. S. Barton, Ewan E. Delbridge, Shawn Dickess
  • Patent number: 10513667
    Abstract: The present invention provides a lubricating composition comprising: an oil of lubricating viscosity; 3 wt % to 30 wt % of an alkaline earth or alkali metal sulphonate detergent; and an oil-soluble polyalkylene glycol having a distribution of molecular weight such that the molecules thereof have a weight of 2500 to less than 10,000 Daltons and comprise 0.05 wt % to 3 wt % of the lubricating composition. The invention further provides a method of lubricating a 2-stroke internal combustion engine cylinder liner (and piston) with the lubricating composition.
    Type: Grant
    Filed: April 7, 2014
    Date of Patent: December 24, 2019
    Assignee: THE LUBRIZOL CORPORATION
    Inventors: Shaun P. Carney, David M. Hobson
  • Patent number: 10501702
    Abstract: A phosphate complex of a borate ester provides wear- and friction-reducing performance to an engine or driveline device. The complex may be a pyroborate-hydrocarbyl-substituted phosphate adduct. Boric acid may be reacted with a diol to form an ester, then reacting said ester with an ammonium salt of phosphoric acid or a hydrocarbyl-substituted phosphoric acid.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: December 10, 2019
    Assignee: The Lubrizol Corporation
    Inventors: Edward P. Sampler, Mark J. McGuiness, William R. S. Barton, Deborah Kays, Nicolas I. Nouvel, Gary M. Walker, Katherine M. Shaw
  • Patent number: 10501701
    Abstract: The disclosed technology provides a lubricating composition comprising an oil of lubricating viscosity and 0.01 wt % to 10 wt % of an oxyalkylated aromatic polyol compound, wherein the aromatic compound has at least one alkoxy group represented by —OR1 group, R1 is hydroxyalkyl, or a (poly)ether group, and either: at least one hydroxyl group, or at least one alkoxy group represented by OR1 group, where R1 is alkyl, or a (poly)ether group, or at least one oxyalkyl group represented by —OR1, where R1 is hydroxyalkyl or a (poly)ether group. The disclosed technology further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition. The disclosed technology further relates to the use of the oxyalkylated aromatic polyol compound in the lubricating composition to a passenger car internal combustion engine at least one of (i) control of fuel economy, (ii) control of corrosion, (iii) cleanliness, and (iv) control of bore wear.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: December 10, 2019
    Assignee: The Lubrizol Corporation
    Inventors: Kamalakumari Kunchithapatham Salem, David J. Moreton, Mohamed G. Fahmy, Gary M. Walker, James P. Roski, Yanshi Zhang, Adam Cox, W. Preston Barnes, Ewan E. Delbridge
  • Publication number: 20190367833
    Abstract: A lubricating composition includes an oil of lubricating viscosity, an N-alkylated dianiline compound, and at least one of a) an ashless antioxidant, and b) an overbased calcium detergent. The ashless antioxidant may be selected from a diarylamine antioxidant, a phenolic antioxidant, and combinations thereof. The lubricating composition may contain less than 0.15 weight percent of phosphorus.
    Type: Application
    Filed: December 13, 2017
    Publication date: December 5, 2019
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Jason J. Hanthorn, Yanshi Zhang
  • Patent number: 10494584
    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: Grant
    Filed: September 19, 2014
    Date of Patent: December 3, 2019
    Assignee: The Lubrizol Corporation
    Inventors: Patrick E. Mosier, Jeffry G. Dietz, Alexander Sammut
  • Patent number: 10479950
    Abstract: The invention relates to quaternary ammonium amide and/or ester salts and their use as additives, including their use in fuels, such as diesel fuel. The invention particularly relates to the use of quaternary ammonium amide and/or ester salts as detergents in diesel fuels.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: November 19, 2019
    Assignee: The Lubrizol Corporation
    Inventors: Paul R. Stevenson, James C. Ray, David J. Moreton, James H. Bush
  • Patent number: 10450524
    Abstract: The present invention relates to compositions containing a detergent composition and an active metal containing compound, where the detergent composition includes a quaternary ammonium salt detergent and optionally an oxygen-containing detergent, and where the active metal containing compound is in the form of a colloidal dispersion, comprising an organic phase, particles of an iron compound in its amorphous form, and at least one amphiphilic agent. These compositions may be used in fuels and provide improved engine performance when such fuels are used, specifically by reducing fuel injector fouling in the engine and/or by improving the regeneration of the engine's particulate exhaust trap.
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: October 22, 2019
    Assignees: RHODIA OPERATIONS, THE LUBRIZOL CORPORATION
    Inventors: Virginie Harle, Michael Lallemand, David Moreton, Malcolm G J. MacDuff, Magali Pudlarz
  • Publication number: 20190316056
    Abstract: A lubricating composition includes an oil of lubricating viscosity, an N-alkyl naphthylamine, and at least one ashless antioxidant selected from a diarylamine antioxidant, a phenolic antioxidant, and mixtures thereof. The lubricating composition has a phosphorus content of less than 0.15 weight percent. The combination of the N-alkyl naphthylamine and ashless antioxidant provides a beneficial effect on the basicity of the composition without negatively impacting seals performance.
    Type: Application
    Filed: December 13, 2017
    Publication date: October 17, 2019
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Jason J. HANTHORN, Yanshi ZHANG
  • Patent number: 10443012
    Abstract: The invention provides a lubricant composition containing an oil of lubricating viscosity and a boron-containing compound, wherein the boron containing compound comprises a borate ester comprising at least one alkyl group having a branch at the ? position or higher. The invention further relates to a method of lubricating an internal combustion engine with the lubricant composition.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: October 15, 2019
    Assignee: The Lubrizol Corporation
    Inventors: Yanshi Zhang, Mark J. McGuiness
  • Patent number: 10421923
    Abstract: The invention provides a lubricant composition comprising an oil of lubricating viscosity and 0.01 wt % to 15 wt % of a protic acid salt of an N-hydrocarbyl-substituted gamma- (?-) or delta- (?-)amino(thio)ester. The invention further relates to a method of lubricating a mechanical device with the lubricant composition.
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: September 24, 2019
    Assignee: The Lubrizol Corporation
    Inventors: Daniel J. Saccomando, William R. S. Barton, Ewan E. Delbridge, Patrick E. Mosier
  • Patent number: 10407641
    Abstract: A composition of an oil-soluble ionic detergent that does not contribute metal ions to the composition, and which comprises a quaternary non-metallic pnictogen cation and an organic anion having at least one hydrocarbyl group of sufficient length to impart oil solubility to the detergent, the detergent having a total base number (TBN) to total acid number (TAN) ratio of at least 2:1 imparts ash-free basicity to a lubricant composition.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: September 10, 2019
    Assignee: The Lubrizol Corporation
    Inventors: Ewan E. Delbridge, Virginia A. Carrick, John K. Pudelski, Matthew D. Gieselman, Christopher L. Friend, Patrick E. Mosier, Michelle M. Rogers, Mark T. Tierney
  • Publication number: 20190249105
    Abstract: A lubricating composition includes an oil of lubricating viscosity and a low-ash additive system including a low molecular weight amine with a Total Base Number of at least 150, and an N-substituted hydrocarbyl-substituted succinimide dispersant. The low-ash additive system provides the lubricating composition with a significant boost in TBN without substantially lowering the flashpoint. The composition is particularly suited to use as a marine diesel engine lubricant.
    Type: Application
    Filed: September 5, 2017
    Publication date: August 15, 2019
    Applicant: The Lubrizol Corporation
    Inventors: Ewan E. Delbridge, Binbin Guo, John K. Pudelski, John-Louis DiFlavio
  • Publication number: 20190241824
    Abstract: A lubricant composition comprising an oil of lubricating viscosity and 0.01 to 5 percent by weight of 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, exhibits good antiwear performance. 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.
    Type: Application
    Filed: July 17, 2017
    Publication date: August 8, 2019
    Applicant: The Lubrizol Corporation
    Inventors: William R.S. Barton, Daniel J. Saccomando, Jamal Kassir, Paul E. Adams, Lisa Blanazs, Michael R. Sutton, Stephen J. Cook, Paul R. Vincent, Ewan E. Delbridge, Yanshi Zhang
  • Publication number: 20190241825
    Abstract: A lubricant composition comprising an oil of lubricating viscosity and about 0.01 to about 5 percent by weight of a (thio)phosphoric acid salt (“phos-amine salt”) of at least one hydrocarbyl amine. The hydrocarbyl amine may be a hindered hydro-carbyl amine, an aromatic hydrocarbyl amine, or a combination thereof.
    Type: Application
    Filed: July 17, 2017
    Publication date: August 8, 2019
    Applicant: The Lubrizol Corporation
    Inventors: William R.S. Barton, Daniel J. Saccomando, Michael R. Sutton, Stephen J. Cook, Paul R. Vincent, Ewan E. Delbridge, Shawn Dickess, Yanshi Zhang
  • Patent number: 10364402
    Abstract: The disclosed technology provides a lubricating composition comprising an oil of lubricating viscosity and 0.01 wt % to 10 wt % of an oxyalkylated aromatic polyol compound, wherein the aromatic compound has at least one alkoxy group represented by —OR1 group, R1 is hydroxyalkyl, or a (poly)ether group, and either: at least one hydroxyl group, or at least one alkoxy group represented by —OR1 group, where R1 is alkyl, or a (poly)ether group, or at least one oxyalkyl group represented by —OR1, where R1 is hydroxyalkyl or a (poly)ether group. The disclosed technology further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition. The disclosed technology further relates to the use of the oxyalkylated aromatic polyol compound in the lubricating composition to a passenger car internal combustion engine at least one of (i) control of fuel economy, (ii) control of corrosion, (iii) cleanliness, and (iv) control of bore wear.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: July 30, 2019
    Assignee: The Lubrizol Corporation
    Inventors: Kamalakumari Kunchithapatham Salem, David J. Moreton, Mohamed G. Fahmy, Gary M. Walker, James P. Roski, Yanshi Zhang, Adam Cox, W. Preston Barnes, Ewan E. Delbridge