Patents by Inventor Yanshi Zhang

Yanshi Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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
  • Publication number: 20190241829
    Abstract: The disclosed technology provides lubricating compositions comprising an oil of lubricating viscosity, an alkaline earth metal sulfonate detergent having a metal ratio of at least 10, in an amount to contribute 3 to 14 g KOH/kg of TBN to the lubricating composition, an ashless, sulfur free, hydrocarbyl phenolic compound in an amount of 0.4 to about 6.0 weight percent (wt %) of the composition, and an ashless dispersant; wherein the lubricating composition has total ash of 0.3 to 1.8 wt %, total detergent soap of 0.1 to 1.2 wt % and wherein the lubricating composition contains less than 0.1 wt % of a sulfur-containing phenolic detergent. The disclosed technology further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition.
    Type: Application
    Filed: September 14, 2017
    Publication date: August 8, 2019
    Inventors: Yanshi ZHANG, Ewan DELBRIDGE, Mary Galic RAGUZ, Alexandra MAYHEW, Thomas DEREVJANIK, John LOOP
  • 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
  • Patent number: 10358619
    Abstract: The disclosed technology relates to hydroxy functionalized ashless additives useful in engine oil compositions due to their ability to reduce deposits, particularly deposits seen in turbocharged direct injection (TDI) engines. The described additives include ashless saturated compounds having a long chain hydrocarbyl polymer terminated by a hydroxyl group. The disclosed technology also relates to lubricant compositions containing the described additives, processes of making the described additives, and methods of using the described additives.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: July 23, 2019
    Assignee: THE LUBRIZOL CORPORATION
    Inventor: Yanshi Zhang
  • Patent number: 10336963
    Abstract: A lubricating composition includes an oil of lubricating viscosity and an ionic tetrahedral borate compound which includes a cation and a tetrahedral borate anion which includes a boron atom, the boron atom having at least one aromatic bidentate di-oxo ligand. The compound may be represented by formula (I), where R1 and R2 are selected from C1-48 hydrocarbyl groups or together form a substituted or unsubstituted 5- or 6-membered ring; R3 and R4 together represent a substituted or unsubstituted aromatic ring; m is 0 or 1; X is hydrogen, a C1-24 hydrocarbyl group, —OR5, —NHR5, or ?O, R5 is a C1-24 hydrocarbyl group; M represents the cation; and n is at least 1. The cation may be selected to provide detergent and/or dispersant properties to the lubricating composition. In the case of ammonium cations, the molecular weight may be 260 g/mol or higher for providing a highly soluble compound, particularly when X is ?O.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: July 2, 2019
    Assignee: THE LUBRIZOL CORPORATION
    Inventors: James D. Burrington, Ewan Delbridge, Yanshi Zhang, John K. Pudelski
  • Publication number: 20190153349
    Abstract: Lubricating compositions comprising a mercaptoazole-acrylic adduct formed by contacting a mercaptoazole compound with an acrylic. The adduct formed has at least one sulfur-alkyl group comprising at least one acyl, or compounds having at least one nitrogen-alkyl group comprising at least one acyl, or mixtures thereof. The lubricating composition also comprises an antiwear agent and an antioxidant. Methods of lubricating an internal combustion engine comprising contacting the internal combustion engine with the lubricating composition comprising a mercaptoazole-acrylic adduct formed by contacting a mercaptoazole compound with an acrylic. Methods of reducing corrosion and/or seal deterioration in an internal combustion engine. The use of a mercaptoazole-acrylic adduct in a lubricating composition to reduce corrosion and/or seal deterioration in an internal combustion engine.
    Type: Application
    Filed: March 30, 2017
    Publication date: May 23, 2019
    Inventors: Yanshi Zhang, Nga H. Nguyen
  • Publication number: 20190112542
    Abstract: A lubricating composition includes an oil of lubricating viscosity and an oil-soluble dispersant viscosity modifier. The dispersant viscosity modifier includes an olefin-based polymer backbone and at least one pendent group derived from a functionalized aliphatic amine. Each pendent group is independently attached to the olefin-based polymer backbone. The pendent group is non-ionic, non-basic, and non-acidic and includes a functional group which includes at least one heteroatom other than nitrogen.
    Type: Application
    Filed: December 10, 2018
    Publication date: April 18, 2019
    Applicant: The Lubrizol Corporation
    Inventors: ADAM PRESTON, Yanshi Zhang, Sona S. Slocum, Matthew .D. Gieselman
  • Patent number: 10196580
    Abstract: The disclosed technology relates to a lubricating composition additives that prevent or reduce seals degradation, especially in the presence of basic amine compounds which impart basicity (measured as total base number or TBN) to the lubricating composition. The lubricating composition contains (a) an oil of lubricating viscosity, (b) a basic amine compound, and (c) a 1,3-dioxane-4,6-dione compound.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: February 5, 2019
    Assignee: The Lubrizol Corporation
    Inventors: Yanshi Zhang, Jason J. Hanthorn, Ewan E. Delbridge
  • Patent number: 10190069
    Abstract: The invention provides a lubricating composition containing an oil of lubricating viscosity and an ashless thiocarbamate compound having an optionally-substituted hydrocarbyl group on an S-atom and an optionally-substituted hydrocarbyl group on an N-atom. The invention further relates to a method of the lubricating an internal combustion engine with the lubricating composition.
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: January 29, 2019
    Assignee: The Lubrizol Corporation
    Inventors: Yanshi Zhang, Seth L. Crawley, Richard Yodice
  • Patent number: 10113132
    Abstract: The invention provides a lubricating composition containing an oil of lubricating viscosity and an alkylene-coupled phenol compound for use in engines operated with biodiesel fuels or fuel blends containing biodiesel components. The invention further relates to methods of lubricating an internal combustion engine fueled with biodiesel by supplying the described lubricating composition to the internal combustion engine. The invention further relates to the use of the alkylene-coupled phenol compound to reduce corrosion and oxidative instability resulting from biodiesel introduction into the lubricant.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: October 30, 2018
    Assignee: The Lubrizol Corporation
    Inventor: Yanshi Zhang
  • Patent number: 10077413
    Abstract: The invention provides a process to prepare a detergent in the presence of a polyether compound. The invention further provides for a lubricating composition containing the detergent. The invention further relates to the use of the lubricating composition in a mechanical device such as an internal combustion engine.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: September 18, 2018
    Assignee: The Lubrizol Corporation
    Inventors: Gary M. Walker, Ewan E. Delbridge, Yanshi Zhang, Edward P. Sampler, Stephen J. Cook, Christopher L. Friend, Mohamed G. Fahmy
  • Publication number: 20180245012
    Abstract: Lubricating compositions comprising an azole-acrylic adduct formed by contacting an azole compound with an acrylic. The adduct formed has at least one nitrogen-alkyl group comprising at least one acyl. The lubricating composition also comprises an antiwear agent and an antioxidant. Methods of lubricating an internal combustion engine comprising contacting the internal combustion engine with the lubricating composition comprising an azole-acrylic adduct formed by contacting an azole compound with an acrylic. Methods of reducing corrosion and/or seal deterioration in an internal combustion engine. The use of an azole-acrylic adduct in a lubricating composition to reduce corrosion and/or seal deterioration in an internal combustion engine.
    Type: Application
    Filed: August 17, 2016
    Publication date: August 30, 2018
    Inventors: Yanshi ZHANG, Nga H. NGUYEN
  • Publication number: 20180223216
    Abstract: The disclosed technology relates to a lubricating composition additives that prevent or reduce seals degradation, especially in the presence of basic amine compounds which impart basicity (measured as total base number or TBN) to the lubricating composition. The lubricating composition contains (a) an oil of lubricating viscosity, (b) a basic amine compound, and (c) a 1,3-dioxane-4,6-dione compound.
    Type: Application
    Filed: August 28, 2015
    Publication date: August 9, 2018
    Inventors: Yanshi Zhang, Jason J. Hanthorn, Ewan E. Delbridge
  • Patent number: 10041018
    Abstract: The invention provides a lubricating composition containing an oil of lubricating viscosity and a N-acylated aromatic amine compound. The invention further relates to methods of lubricating an internal combustion engine by supplying the described lubricating composition to the internal combustion engine. The invention further relates to the use of the N-acylated aromatic amine compound as a TBN booster.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: August 7, 2018
    Assignee: The Lubrizol Corporation
    Inventors: Danielle N. Ivancic, Ewan E. Delbridge, Yanshi Zhang, Scott Capitosti, Christopher L. Friend
  • Publication number: 20180030369
    Abstract: A lubricating composition includes an oil of lubricating viscosity and an ionic tetrahedral borate compound which includes a cation and a tetrahedral borate anion which includes a boron atom, the boron atom having at least one aromatic bidentate di-oxo ligand. The compound may be represented by formula (I), where R1 and R2 are selected from C1-48 hydrocarbyl groups or together form a substituted or unsubstituted 5- or 6-membered ring; R3 and R4 together represent a substituted or unsubstituted aromatic ring; m is 0 or 1; X is hydrogen, a C1-24 hydrocarbyl group, —OR5, —NHR5, or=O, R5 is a C1-24 hydrocarbyl group; M represents the cation; and n is at least 1. The cation may be selected to provide detergent and/or dispersant properties to the lubricating composition. In the case of ammonium cations, the molecular weight may be 260 g/mol or higher for providing a highly soluble compound, particularly when X is=O.
    Type: Application
    Filed: February 25, 2016
    Publication date: February 1, 2018
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: James D. Burrington, Ewan Delbridge, Yanshi Zhang, John K. Pudelski
  • Patent number: 9868919
    Abstract: The invention provides a lubricating composition comprising: an oil of lubricating viscosity and a reaction product of a monovalent to tetravalent inorganic Lewis acid and a hydroxyl terminated polyether (or glycol), wherein the mole ratio of hydroxyl terminated polyether (or glycol) to Lewis acid is 1:1 or greater. The invention further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition.
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: January 16, 2018
    Assignee: The Lubrizol Corporation
    Inventors: Ewan E. Delbridge, Yanshi Zhang, Jody A. Kocsis
  • Publication number: 20170355924
    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: Application
    Filed: December 3, 2015
    Publication date: December 14, 2017
    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: 20170355923
    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: Application
    Filed: December 3, 2015
    Publication date: December 14, 2017
    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