Patents by Inventor Alexander Sammut
Alexander Sammut 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: 20230348809Abstract: 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: ApplicationFiled: July 7, 2023Publication date: November 2, 2023Applicant: The Lubrizol CorporationInventors: Patrick E. Mosier, Jeffry G. Dietz, Alexander Sammut
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Publication number: 20230183597Abstract: 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: ApplicationFiled: February 13, 2023Publication date: June 15, 2023Applicant: The Lubrizol CorporationInventors: Patrick E. Mosier, Jeffry G. Dietz, Alexander Sammut, Mary Galic Raguz, Matthew D. Gieselman
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Patent number: 11608478Abstract: 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: GrantFiled: September 3, 2020Date of Patent: March 21, 2023Assignee: The Lubrizol CorporationInventors: Patrick E. Mosier, Jeffry G. Dietz, Alexander Sammut, Mary Galic Raguz, Matthew D. Gieselman
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Publication number: 20230036692Abstract: The instant disclosure relates to a lubricant composition having an oil of lubricating viscosity, a polymeric surfactant compound that is an acylated polymer having a number average molecular weight of about 500 to about 50,000 where the polymer comprises a branched olefin having from 8 to 30 carbon atoms. The acylated polymer can further be reacted with an amine or alcohol to form an amide, imide, ester or combinations thereof. The present disclosure further relates to lubricant compositions that exhibit good dispersancy and viscometric performance.Type: ApplicationFiled: December 17, 2020Publication date: February 2, 2023Applicant: The Lubrizol CorporationInventors: James D. Burrington, James S. Puckace, Alexander Sammut, Greg Garwood
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Publication number: 20220259476Abstract: The disclosed technology relates to a heat transfer system and heat transfer method employing a dielectric oleaginous heat transfer fluid. In particular, the technology relates to a dielectric oleaginous 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 vehicles.Type: ApplicationFiled: June 12, 2020Publication date: August 18, 2022Applicant: The Lubrizol CorporationInventors: Amy L. Short, Alexander Sammut, Douglas T. Jayne, Ryan Ritz
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Publication number: 20220135898Abstract: 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: ApplicationFiled: January 20, 2022Publication date: May 5, 2022Applicant: The Lubrizol CorporationInventors: Patrick E. Mosier, Jeffry G. Dietz, Alexander Sammut
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Patent number: 11214756Abstract: 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: GrantFiled: September 3, 2020Date of Patent: January 4, 2022Assignee: The Lubrizol CorporationInventors: Patrick E. Mosier, Jeffry G. Dietz, Alexander Sammut, Mary Galic Raguz, Matthew D. Gieselman
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Publication number: 20210301218Abstract: 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 antioxidant. The ashless antioxidant may be selected from phenolic compounds, aryl amine compounds, and sulfurized olefins, especially 2,6-hindered phenols and diarylamine compounds.Type: ApplicationFiled: June 14, 2021Publication date: September 30, 2021Applicant: The Lubrizol CorporationInventors: Patrick E. Mosier, Jeffry G. Dietz, Alexander Sammut
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Patent number: 11034910Abstract: 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 antioxidant. The ashless antioxidant may be selected from phenolic compounds, aryl amine compounds, and sulfurized olefins, especially 2,6-hindered phenols and diarylamine compounds.Type: GrantFiled: September 19, 2014Date of Patent: June 15, 2021Assignee: The Lubrizol CorporationInventors: Patrick E. Mosier, Jeffry G. Dietz, Alexander Sammut
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Publication number: 20210002577Abstract: The instant disclosure is directed to a method of lubricating a sump-lubricated, high efficiency, gasoline-fueled internal combustion engine. Said method involves supplying to the engine a lubricating composition comprising an oil of lubricating viscosity, an anti-wear agent, an ashless antioxidant, a metal-containing detergent, an ashless polyolefin dispersant, and (f) a polymeric viscosity modifier. The disclosure further provides a method of operating a high efficiency sump-lubricated gasoline-fueled internal combustion engine while maintaining or improving at least one of durability, deposit control, oxidation control, fuel economy, and resistance to knock and stochastic pre-ignition.Type: ApplicationFiled: November 28, 2018Publication date: January 7, 2021Applicant: The Lubrizol CorporationInventors: Patrick E. Mosier, Matthew D. Gieselman, George S. Szappanos, Alexander Sammut, Ewan E. Delbridge, Oliver Smith
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Publication number: 20200399556Abstract: 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: ApplicationFiled: September 3, 2020Publication date: December 24, 2020Inventors: Patrick E. Mosier, Jeffry G. Dietz, Alexander Sammut, Mary Galic Raguz, Matthew D. Gieselman
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Publication number: 20200399555Abstract: 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: ApplicationFiled: September 3, 2020Publication date: December 24, 2020Inventors: Patrick E. Mosier, Jeffry G. Dietz, Alexander Sammut, Mary Galic Raguz, Matthew D. Gieselman
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Patent number: 10800992Abstract: 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 boron-containing ashless dispersant. The ashless dispersant may be selected from succinimide compounds prepared from aliphatic or aromatic amines.Type: GrantFiled: March 22, 2016Date of Patent: October 13, 2020Assignee: The Lubrizol CorporationInventors: Patrick E. Mosier, Jeffry G. Dietz, Alexander Sammut, Mary Galic Raguz, Matthew D. Gieselman
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Patent number: 10669505Abstract: 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 overbased sodium detergent. The metal overbased detergent may be selected from sulfonate detergents, phenate detergents, and salicylate detergents, including sulfonate detergents with a metal ratio of at least 5.Type: GrantFiled: January 11, 2019Date of Patent: June 2, 2020Assignee: THE LUBRIZOL CORPORATIONInventors: Patrick E. Mosier, Jeffry G. Dietz, Alexander Sammut
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Publication number: 20200063059Abstract: 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: ApplicationFiled: October 30, 2019Publication date: February 27, 2020Applicant: The Lubrizol CorporationInventors: Patrick E. Mosier, Jeffry G. Dietz, Alexander Sammut
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Patent number: 10494584Abstract: 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: GrantFiled: September 19, 2014Date of Patent: December 3, 2019Assignee: The Lubrizol CorporationInventors: Patrick E. Mosier, Jeffry G. Dietz, Alexander Sammut
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Publication number: 20190144775Abstract: 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 overbased sodium detergent. The metal overbased detergent may be selected from sulfonate detergents, phenate detergents, and salicylate detergents, including sulfonate detergents with a metal ratio of at least 5.Type: ApplicationFiled: January 11, 2019Publication date: May 16, 2019Inventors: Patrick E. Mosier, Jeffry G. Dietz, Alexander Sammut
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Publication number: 20190048282Abstract: 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 oil soluble metal compound, wherein the metal of the oil soluble metal compound may be a group (IV) metal, which may be titanium or zirconium.Type: ApplicationFiled: February 24, 2017Publication date: February 14, 2019Inventors: Matthew D. Gieselman, Brent R. Dohner, Kazuyoshi Miyoshi, Alexander Sammut, Patrick E. Mosier
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Publication number: 20180346843Abstract: 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: ApplicationFiled: June 1, 2018Publication date: December 6, 2018Inventors: Patrick E. Mosier, Jeffry G. Dietz, Alexander Sammut
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Publication number: 20180087001Abstract: 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 boron-containing ashless dispersant. The ashless dispersant may be selected from succinimide compounds prepared from aliphatic or aromatic amines.Type: ApplicationFiled: March 22, 2016Publication date: March 29, 2018Applicant: The Lubrizol CorporationInventors: Patrick E. Mosier, Jeffry G. Dietz, Alexander Sammut, Mary Galic Raguz, Matthew D. Gieselman