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).
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Publication number: 20240084211Abstract: The disclosed technology relates to a lubricating composition comprising an oil of lubricating viscosity and an ashless basic amine additive selected from a secondary amine containing ?-carbon aromatic substitution. The basic secondary amine additives used in the lubricating oils of the disclosed technology impart basicity measured as total base number (TBN) without adding sulfated ash. Lubricating oils containing the basic secondary amine additives of the disclosed technology simultaneously achieve seals compatibility, deposit, and corrosion control.Type: ApplicationFiled: January 6, 2022Publication date: March 14, 2024Applicant: The Lubrizol CorporationInventors: Daniel J. Saccomando, Yanshi Zhang, John-Louis DiFlavio, Ewan E. Delbridge, William R.S. Barton
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Publication number: 20240052256Abstract: A lubricating composition including an oil of lubricating viscosity and a benzazepine compound. Methods of using such lubricating compositions are also disclosed.Type: ApplicationFiled: December 22, 2021Publication date: February 15, 2024Inventors: Scott Capitosti, Daniel J. Saccomando, Thomas S. Corrigan, Zack Palchak, Richard J. Myerson, Zach Rodgers, Jason J. Hanthorn, Christopher M. Rasik, Binbin Guo, Yanshi Zhang, William R.S. Barton
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Patent number: 11859148Abstract: The disclosed technology relates to a lubricating composition comprising an oil of lubricating viscosity and an ashless basic amine additive selected from a N-aralkyl ?-carbonyl functional amine. The basic amine additives used in the lubricating oils of the disclosed technology impart basicity measured as total base number (TBN) without adding sulfated ash. Lubricating oils containing the basic amine additives of the disclosed technology simultaneously achieve seal compatibility, deposit, and corrosion control.Type: GrantFiled: July 1, 2020Date of Patent: January 2, 2024Assignee: The Lubrizol CorporationInventors: Daniel J. Saccomando, William R. S. Barton, Amelia Stoneley, Yanshi Zhang, Ewan E. Delbridge
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Publication number: 20220259514Abstract: The disclosed technology relates to a lubricating composition comprising an oil of lubricating viscosity and an ashless basic amine additive selected from a N-aralkyl ?-carbonyl functional amine. The basic amine additives used in the lubricating oils of the disclosed technology impart basicity measured as total base number (TBN) without adding sulfated ash. Lubricating oils containing the basic amine additives of the disclosed technology simultaneously achieve seal compatibility, deposit, and corrosion control.Type: ApplicationFiled: July 1, 2020Publication date: August 18, 2022Applicant: The Lubrizol CorporationInventors: Daniel J. Saccomando, William R.S. Barton, Amelia Stoneley, Yanshi Zhang, Ewan E. Delbridge
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Patent number: 11384308Abstract: 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: GrantFiled: July 17, 2017Date of Patent: July 12, 2022Assignee: The Lubrizol CorporationInventors: 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
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Patent number: 11168278Abstract: 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 hydrocarbyl amine, an aromatic hydrocarbyl amine, or a combination thereof.Type: GrantFiled: July 17, 2017Date of Patent: November 9, 2021Assignee: The Lubrizol CorporationInventors: William R. S. Barton, Daniel J. Saccomando, Michael R. Sutton, Stephen J. Cook, Paul R. Vincent, Ewan E. Delbridge, Shawn Dickess, Yanshi Zhang
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Patent number: 11162048Abstract: 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: GrantFiled: December 13, 2017Date of Patent: November 2, 2021Assignee: The Lubrizol CorporationInventors: Jason J. Hanthorn, Yanshi Zhang
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Patent number: 11136522Abstract: 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: GrantFiled: August 17, 2016Date of Patent: October 5, 2021Assignee: The Lubrizol CorporationInventors: Yanshi Zhang, Nga H. Nguyen
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Patent number: 11111451Abstract: 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: GrantFiled: March 30, 2017Date of Patent: September 7, 2021Assignee: The Lubrizol CorporationInventors: Yanshi Zhang, Nga H. Nguyen
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Patent number: 11053449Abstract: Thioether-substituted phenols that are the reaction product of a thioether-substituted alcohol or thioether-substituted amine and a phenol with at least one pendant acyl group and have a ratio of sulfur groups to phenol groups of at least 1:1 and uses for thioether-substituted phenols. Methods of lubricating an internal combustion engine by contacting the internal combustion engine with a lubricating composition comprising a thioether-substituted phenol. Methods of reducing deposit formation and/or corrosion in an engine using a lubricating composition comprising a thioether-substituted phenol.Type: GrantFiled: November 8, 2016Date of Patent: July 6, 2021Assignee: The Lubrizol CorporationInventors: Yanshi Zhang, Jason J. Hanthorn
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Publication number: 20210189279Abstract: The invention provides lubricating composition comprising: an oil of lubricating viscosity, and an oxyalkylated hydrocarbyl phenol, wherein the oxyalkylated hydrocarbyl phenol is substituted with at least one aliphatic hydrocarbyl group of 40 to 96 carbon atoms, and wherein the oxyalkylated hydrocarbyl phenol is substantially free of aromatic hydrocarbyl groups. The invention further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition. The invention further relates to the use of the oxyalkylated hydrocarbyl phenol 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: ApplicationFiled: March 9, 2021Publication date: June 24, 2021Applicant: The Lubrizol CorporationInventors: Yanshi Zhang, Gary M. Walker, Ewan E. Delbridge, Edward P. Sampler, Neil L. Simpson
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Patent number: 10988701Abstract: The invention provides lubricating composition comprising: an oil of lubricating viscosity, and an oxyalkylated hydrocarbyl phenol, wherein the oxyalkylated hydrocarbyl phenol is substituted with at least one aliphatic hydrocarbyl group of 40 to 96 carbon atoms, and wherein the oxyalkylated hydrocarbyl phenol is substantially free of aromatic hydrocarbyl groups. The invention further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition. The invention further relates to the use of the oxyalkylated hydrocarbyl phenol 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: GrantFiled: June 26, 2019Date of Patent: April 27, 2021Assignee: The Lubrizol CorporationInventors: Yanshi Zhang, Gary M. Walker, Ewan E. Delbridge, Edward P. Sampler, Neil L. Simpson
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Patent number: 10961481Abstract: Lubricating compositions comprising a thiol-carboxylic adduct that is the reaction product of a thiol and carboxylic acid and/or a carboxylic acid derivative. The lubricating composition also comprises an antiwear agent. Methods of lubricating an internal combustion engine comprise contacting the internal combustion engine with a lubricating composition comprising a thiol-carboxylic adduct that is the reaction product of a thiol and carboxylic acid and/or a carboxylic acid derivative. Methods of reducing lubricant oxidation and/or corrosion in an internal combustion engine with a lubricating composition comprising a thiol-carboxylic adduct that is the reaction product of a thiol and carboxylic acid and/or a carboxylic acid derivative. The use of a comprising a thiol-carboxylic adduct that is the reaction product of a thiol and carboxylic acid and/or a carboxylic acid derivative to reduce lubricant oxidation and/or corrosion in an internal combustion engine.Type: GrantFiled: June 6, 2017Date of Patent: March 30, 2021Assignee: The Lubrizol CorporationInventor: Yanshi Zhang
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Patent number: 10787622Abstract: The invention provides a lubricating composition containing an oil of lubricating viscosity, an ashless thiocarbamate compound having an optionally-substituted hydrocarbyl group on an S-atom and an optionally-substituted hydrocarbyl group on an N-atom, and a boron-containing compound. The invention further relates to a method of lubricating an internal combustion engine with the lubricating composition.Type: GrantFiled: December 17, 2014Date of Patent: September 29, 2020Assignee: The Lubrizol CorporationInventors: Yanshi Zhang, Jody A. Kocsis, Mark J. McGuiness
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Publication number: 20200239805Abstract: Thioether-substituted phenols that are the reaction product of a thioether-substituted alcohol or thioether-substituted amine and a phenol with at least one pendant acyl group and have a ratio of sulfur groups to phenol groups of at least 1:1 and uses for thioether-substituted phenols. Methods of lubricating an internal combustion engine by contacting the internal combustion engine with a lubricating composition comprising a thioether-substituted phenol. Methods of reducing deposit formation and/or corrosion in an engine using a lubricating composition comprising a thioether-substituted phenol.Type: ApplicationFiled: November 8, 2016Publication date: July 30, 2020Inventors: Yanshi Zhang, Jason J. Hanthorn
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Publication number: 20200199479Abstract: The disclosed technology relates to lubricants for compression ignition internal combustion engines, particularly those demonstrating at least one of improved seals performance, reduced deposit formation, and excellent durability. The present invention provides a low dispersant lubricating composition comprising (a) an oil of lubricating viscosity, (b) about 0.5 weight percent to 3.0 weight percent of an oxyalkylated hydrocarbyl-substituted phenol compound, (c) about 0.01 weight percent to 2.6 weight percent of a polyalkenylsuccinimide dispersant, and (d) about 0.05 weight percent to 2.0 weight percent of a polyolefin dispersant viscosity modifier, and wherein the lubricating composition contains zinc in an amount less than about 700 ppm by weight of the composition.Type: ApplicationFiled: July 17, 2018Publication date: June 25, 2020Applicant: The Lubrizol CorporationInventors: Joanne L. Jones, Yanshi Zhang
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Patent number: 10501701Abstract: 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: GrantFiled: December 3, 2015Date of Patent: December 10, 2019Assignee: The Lubrizol CorporationInventors: 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
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Publication number: 20190367833Abstract: 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: ApplicationFiled: December 13, 2017Publication date: December 5, 2019Applicant: THE LUBRIZOL CORPORATIONInventors: Jason J. Hanthorn, Yanshi Zhang
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Publication number: 20190316057Abstract: The invention provides lubricating composition comprising: an oil of lubricating viscosity, and an oxyalkylated hydrocarbyl phenol, wherein the oxyalkylated hydrocarbyl phenol is substituted with at least one aliphatic hydrocarbyl group of 40 to 96 carbon atoms, and wherein the oxyalkylated hydrocarbyl phenol is substantially free of aromatic hydrocarbyl groups. The invention further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition. The invention further relates to the use of the oxyalkylated hydrocarbyl phenol 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: ApplicationFiled: June 26, 2019Publication date: October 17, 2019Inventors: Yanshi Zhang, Gary M. Walker, Ewan E. Delbridge, Edward P. Sampler, Neil L. Simpson
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Publication number: 20190316056Abstract: 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: ApplicationFiled: December 13, 2017Publication date: October 17, 2019Applicant: THE LUBRIZOL CORPORATIONInventors: Jason J. HANTHORN, Yanshi ZHANG