Patents by Inventor Jason A. Lagona
Jason A. Lagona 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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Patent number: 10494583Abstract: Lubricant compositions including an additive composition and methods for its use in engines that produce soot. The lubricant composition contains a base oil and an additive composition having (a) at least 0.05 percent by weight of a first dispersant that is a reaction product of A) a hydrocarbyl-dicarboxylic acid or anhydride, and B) at least one polyamine; and (b) at least 0.05 percent by weight, both based on a total weight of the lubricant composition, of a second dispersant that is a reaction product of A?) a hydrocarbyl-dicarboxylic acid or anhydride, and B?) at least one polyamine, wherein the reaction product is post-treated with C) an aromatic carboxylic acid, an aromatic polycarboxylic acid, or an aromatic anhydride wherein all carboxylic acid or anhydride groups are attached directly to an aromatic ring, and/or D) a non-aromatic dicarboxylic acid or anhydride having a number average molecular weight of less than about 500.Type: GrantFiled: December 11, 2018Date of Patent: December 3, 2019Assignee: AFTON CHEMICAL CORPORATIONInventors: Diane Campbell, Jason Lagona
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Publication number: 20190106650Abstract: Lubricant compositions including an additive composition and methods for its use in engines that produce soot. The lubricant composition contains a base oil and an additive composition having (a) at least 0.05 percent by weight of a first dispersant that is a reaction product of A) a hydrocarbyl-dicarboxylic acid or anhydride, and B) at least one polyamine; and (b) at least 0.05 percent by weight, both based on a total weight of the lubricant composition, of a second dispersant that is a reaction product of A?) a hydrocarbyl-dicarboxylic acid or anhydride, and B?) at least one polyamine, wherein the reaction product is post-treated with C) an aromatic carboxylic acid, an aromatic polycarboxylic acid, or an aromatic anhydride wherein all carboxylic acid or anhydride groups are attached directly to an aromatic ring, and/or D) a non-aromatic dicarboxylic acid or anhydride having a number average molecular weight of less than about 500.Type: ApplicationFiled: December 11, 2018Publication date: April 11, 2019Applicant: Afton Chemical CorporationInventors: Diane Campbell, Jason Lagona
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Patent number: 10179886Abstract: Lubricant compositions including an additive composition and methods for its use in engines that produce soot. The lubricant composition contains a base oil and an additive composition having (a) at least 0.05 percent by weight of a first dispersant that is a reaction product of A) a hydrocarbyl-dicarboxylic acid or anhydride, and B) at least one polyamine; and (b) at least 0.05 percent by weight, both based on a total weight of the lubricant composition, of a second dispersant that is a reaction product of A?) a hydrocarbyl-dicarboxylic acid or anhydride, and B?) at least one polyamine, wherein the reaction product is post-treated with C) an aromatic carboxylic acid, an aromatic polycarboxylic acid, or an aromatic anhydride wherein all carboxylic acid or anhydride groups are attached directly to an aromatic ring, and/or D) a non-aromatic dicarboxylic acid or anhydride having a number average molecular weight of less than about 500.Type: GrantFiled: May 17, 2016Date of Patent: January 15, 2019Assignee: AFTON CHEMICAL CORPORATIONInventors: Diane Campbell, Jason Lagona
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Patent number: 10174272Abstract: Lubricating oil compositions and methods of their use are provided herein. A lubricating oil composition as described herein includes a major amount of an oil of lubricating viscosity, an amine-functionalized olefin copolymer dispersant viscosity index improver in an amount of from about 1.5 wt. % to 2.0 wt. % based on the weight of the lubricating oil composition, and a dispersant. The amine-functionalized olefin copolymer dispersant viscosity index improver includes a reaction product of an acylated olefin copolymer and a polyamine.Type: GrantFiled: December 11, 2017Date of Patent: January 8, 2019Assignee: Afton Chemical CorporationInventor: Jason Lagona
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Publication number: 20180105764Abstract: Lubricating oil compositions and methods of their use are provided herein. A lubricating oil composition as described herein includes a major amount of an oil of lubricating viscosity, an amine-functionalized olefin copolymer dispersant viscosity index improver in an amount of from about 1.5 wt. % to 2.0 wt. % based on the weight of the lubricating oil composition, and a dispersant. The amine-functionalized olefin copolymer dispersant viscosity index improver includes a reaction product of an acylated olefin copolymer and a polyamine.Type: ApplicationFiled: December 11, 2017Publication date: April 19, 2018Inventor: Jason Lagona
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Publication number: 20180016515Abstract: Lubricating oil compositions and methods of their use are provided herein. A lubricating oil composition as described herein includes a major amount of an oil of lubricating viscosity, an amine-functionalized olefin copolymer dispersant viscosity index improver in an amount of from about 1.5 wt. % to 2.0 wt. % based on the weight of the lubricating oil composition, and a dispersant. The amine-functionalized olefin copolymer dispersant viscosity index improver includes a reaction product of an acylated olefin copolymer and a polyamine.Type: ApplicationFiled: July 14, 2016Publication date: January 18, 2018Inventor: Jason Lagona
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Publication number: 20170335228Abstract: Lubricant compositions including an additive composition and methods for its use in engines that produce soot. The lubricant composition contains a base oil and an additive composition having (a) at least 0.05 percent by weight of a first dispersant that is a reaction product of A) a hydrocarbyl-dicarboxylic acid or anhydride, and B) at least one polyamine; and (b) at least 0.05 percent by weight, both based on a total weight of the lubricant composition, of a second dispersant that is a reaction product of A?) a hydrocarbyl-dicarboxylic acid or anhydride, and B?) at least one polyamine, wherein the reaction product is post-treated with C) an aromatic carboxylic acid, an aromatic polycarboxylic acid, or an aromatic anhydride wherein all carboxylic acid or anhydride groups are attached directly to an aromatic ring, and/or D) a non-aromatic dicarboxylic acid or anhydride having a number average molecular weight of less than about 500.Type: ApplicationFiled: May 17, 2016Publication date: November 23, 2017Applicant: Afton Chemical CorporationInventors: Diane Campbell, Jason Lagona
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Patent number: 9574158Abstract: A compression-ignited engine lubricant and a method for reducing engine wear. The lubricant including, (a) a base oil; (b) oleamide; (c) zinc dihydrocarbyl dithiophosphate; and (d) a functionalized dispersant. The functionalized dispersant is made by reacting together (i) a hydrocarbyl-dicarboxylic acid or anhydride, (ii) a polyamine, (iii) a dicarboxyl-containing fused aromatic compound or anhydride thereof, and optionally, (iv) a non-aromatic dicarboxylic acid or anhydride, wherein the hydrocarbyl group of the hydrocarbyl-dicarboxylic acid or anhydride has a number average molecular weight of greater than 1800 Daltons as determined by gel permeation chromatography.Type: GrantFiled: May 1, 2015Date of Patent: February 21, 2017Assignee: Afton Chemical CorporationInventors: Jason A. Lagona, John T. Loper
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Publication number: 20150344808Abstract: A compression-ignited engine lubricant and a method for reducing engine wear. The lubricant including, (a) a base oil; (b) oleamide; (c) zinc dihydrocarbyl dithiophosphate; and (d) a functionalized dispersant. The functionalized dispersant is made by reacting together (i) a hydrocarbyl-dicarboxylic acid or anhydride, (ii) a polyamine, (iii) a dicarboxyl-containing fused aromatic compound or anhydride thereof, and optionally, (iv) a non-aromatic dicarboxylic acid or anhydride, wherein the hydrocarbyl group of the hydrocarbyl-dicarboxylic acid or anhydride has a number average molecular weight of greater than 1800 Daltons as determined by gel permeation chromatography.Type: ApplicationFiled: May 1, 2015Publication date: December 3, 2015Inventors: Jason A. LAGONA, John T. LOPER
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Patent number: 9090847Abstract: An ashless additive for lubricating oil compositions, lubricating oil compositions and methods for lubricating that are effective to improve the total base number (TBN) of a lubricant composition. The additive is a reaction product of a compound of the formula: with NH3, an alcohol, an amine, or a hydrocarbyl amine, wherein R1 is selected from H, a hydrocarbyl group, the alcohol or amine contains from 1 to about 24 carbon atoms, and the hydrocarbyl amine has a number average molecular weight ranging from about 100 to about 6000.Type: GrantFiled: March 2, 2012Date of Patent: July 28, 2015Assignee: Afton Chemical CorporationInventors: Naresh Mathur, Jason A. Lagona, John T. Loper
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Patent number: 8927469Abstract: An engine lubricant composition, a method for maintaining the soot or sludge handling capability of an engine lubricant while not adversely affecting elastomeric seal material in the engine and a method of operating an engine. The engine lubricant includes a base oil and a dispersant. The dispersant is a reaction product of A) a hydrocarbyl-dicarboxylic acid or anhydride, B) a polyamine, C) a dicarboxyl-containing fused aromatic compound, and D) a non-aromatic dicarboxylic acid or anhydride.Type: GrantFiled: July 16, 2012Date of Patent: January 6, 2015Assignee: Afton Chemical CorporationInventors: Naresh Mathur, Jason A. Lagona
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Patent number: 8623105Abstract: A diesel fuel, diesel fuel additive concentrate and method for improving the performance of fuel injectors for a diesel engine are provided. The diesel fuel includes a major amount of middle distillate fuel; and a reaction product of a hydrocarbyl substituted dicarboxylic acid or anhydride and an amine compound or salt. The amine compound has the formula wherein R is selected from the group consisting of a hydrogen and a hydrocarbyl group containing from about 1 to about 15 carbon atoms, and R1 is selected from the group consisting of hydrogen and a hydrocarbyl group containing from about 1 to about 20 carbon atoms. The reaction product contains at least one amino triazole group and is present in the fuel in an amount sufficient to improve the performance of diesel fuel injectors.Type: GrantFiled: May 19, 2008Date of Patent: January 7, 2014Assignee: Afton Chemical CorporationInventors: Dennis J. Malfer, Joshua J. Bennett, Jason A. Lagona, David A. Hutchison
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Publication number: 20130040866Abstract: An engine lubricant composition, a method for maintaining the soot or sludge handling capability of an engine lubricant while not adversely affecting elastomeric seal material in the engine and a method of operating an engine. The engine lubricant includes a base oil and a dispersant. The dispersant is a reaction product of A) a hydrocarbyl-dicarboxylic acid or anhydride, B) a polyamine, C) a dicarboxyl-containing fused aromatic compound, and D) a non-aromatic dicarboxylic acid or anhydride.Type: ApplicationFiled: July 16, 2012Publication date: February 14, 2013Applicant: AFTON CHEMICAL CORPORATIONInventors: Naresh MATHUR, Jason A. LAGONA
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Patent number: 8334243Abstract: A crankcase lubricant composition, method for improving the soot or sludge handling capability of a crankcase lubricant composition and a method of operating an engine on a crankcase lubricant composition. The lubricant composition includes a base oil and a reaction product of mono-succinimide dispersant and an acidic compound containing two or more pyrrole groups.Type: GrantFiled: March 16, 2011Date of Patent: December 18, 2012Assignee: Afton Chemical CorporationInventors: Jeffrey M. Guevremont, Jason A. Lagona
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Publication number: 20120291737Abstract: An ashless additive for lubricating oil compositions, lubricating oil compositions and methods for lubricating that are effective to improve the total base number (TBN) of a lubricant composition.Type: ApplicationFiled: March 2, 2012Publication date: November 22, 2012Applicant: AFTON CHEMICAL CORPORATIONInventors: Naresh MATHUR, Jason A. LAGONA, John T. LOPER
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Publication number: 20120234287Abstract: A crankcase lubricant composition, method for improving the soot or sludge handling capability of a crankcase lubricant composition and a method of operating an engine on a crankcase lubricant composition. The lubricant composition includes a base oil and a reaction product of mono-succinimide dispersant and an acidic compound containing two or more pyrrole groups.Type: ApplicationFiled: March 16, 2011Publication date: September 20, 2012Applicant: AFTON CHEMICAL CORPORATIONInventors: Jeffrey M. GUEVREMONT, Jason A. LAGONA
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Publication number: 20120180382Abstract: The present disclosure relates to a gasoline additive concentrate including a reaction product of (a) 1,8-naphthalic anhydride; and (b) a reaction product of a hydrocarbyl-substituted succinic anhydride with a polyamine. Fuel compositions containing the additive concentrate are also disclosed. Method of reducing greenhouse gas emissions is also disclosed.Type: ApplicationFiled: January 19, 2011Publication date: July 19, 2012Applicant: Afton Chemical CorporationInventors: Xinggao Fang, Jason Lagona, Michel Nuckols, May Duffield Thomas
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Publication number: 20100292113Abstract: The embodiments described herein relate to particular formulations and methods that may provide improved fuel economy characteristics for an engine lubricant. The compositions and methods include a (a) a base oil; (b) a zinc dialkyldithiophosphate compound; and (c) a hydrocarbon soluble metal compound. The hydrocarbon soluble metal compound is devoid of phosphorus and sulfur atoms and the metal is selected from the group consisting essentially of selected from the group consisting essentially of cobalt, nickel, zinc, zirconium, manganese, vanadium, scandium, yttrium, tungsten, gold, platinum, and iron. A weight ratio of total metal in the lubricant composition from the zinc dialkyl-dithiophosphate compound and the hydrocarbon soluble metal compound to phosphorus in the lubricant composition ranges from greater than about 1.5 to 1 to about 15 to 1.Type: ApplicationFiled: March 16, 2010Publication date: November 18, 2010Applicant: AFTON CHEMICAL CORPORATIONInventors: Jeffrey M. GUEVREMONT, Mark T. DEVLIN, Naresh C. MATHUR, Jason A. LAGONA
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Publication number: 20100037514Abstract: A diesel fuel, diesel fuel additive concentrate and method for improving the performance of fuel injectors for a diesel engine are provided. The diesel fuel includes a major amount of middle distillate fuel; and a reaction product of a hydrocarbyl substituted dicarboxylic acid or anhydride and an amine compound or salt. The amine compound has the formula wherein R is selected from the group consisting of a hydrogen and a hydrocarbyl group containing from about 1 to about 15 carbon atoms, and R1 is selected from the group consisting of hydrogen and a hydrocarbyl group containing from about 1 to about 20 carbon atoms. The reaction product contains at least one amino triazole group and is present in the fuel in an amount sufficient to improve the performance of diesel fuel injectors.Type: ApplicationFiled: May 13, 2008Publication date: February 18, 2010Applicant: Afton Chemical CorporationInventors: Dennis J. Malfer, Joshua J. Bennett, Jason A. Lagona, David A. Hutchison
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Publication number: 20090282731Abstract: A diesel fuel, diesel fuel additive concentrate and method for improving the performance of fuel injectors for a diesel engine are provided. The diesel fuel includes a major amount of middle distillate fuel; and a reaction product of a hydrocarbyl substituted dicarboxylic acid or anhydride and an amine compound or salt. The amine compound has the formula wherein R is selected from the group consisting of a hydrogen and a hydrocarbyl group containing from about 1 to about 15 carbon atoms, and R1 is selected from the group consisting of hydrogen and a hydrocarbyl group containing from about 1 to about 20 carbon atoms. The reaction product contains at least one amino triazole group and is present in the fuel in an amount sufficient to improve the performance of diesel fuel injectors.Type: ApplicationFiled: May 19, 2008Publication date: November 19, 2009Applicant: AFTON CHEMICAL CORPORATIONInventors: Dennis J. MALFER, Joshua J. BENNETT, Jason A. LAGONA, David A. HUTCHISON