Patents by Inventor Kenneth D. Nelson
Kenneth D. Nelson 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: 20130303416Abstract: The present invention is directed to Mannich condensation product sequestering agents or mixtures of Mannich condensation product sequestering agents for use in fuels and lubricating oils. The present invention is also directed to a process for preparing the Mannich condensation product sequestering agents. The present invention is also directed to a product formed by combining, under reaction conditions, a polyisobutyl-substituted hydroxyaromatic compound, an aldehyde, an amino acid or ester thereof, and an alkali metal base to form the Mannich condensation product sequestering agent. The present invention is also directed to a lubricating oil composition, a lubricating oil concentrate, a fuel composition, and a fuel concentrate having the Mannich condensation product sequestering agents of the present invention.Type: ApplicationFiled: April 12, 2013Publication date: November 14, 2013Applicant: Chevron Oronite Company LLCInventors: James J. Harrison, Kenneth D. Nelson
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Publication number: 20130298451Abstract: The present invention is directed to Mannich condensation product sequestering agents or mixtures of Mannich condensation product sequestering agents for use in fuels and lubricating oils. The present invention is also directed to a process for preparing the Mannich condensation product sequestering agents. The present invention is also directed to a product formed by combining, under reaction conditions, a polyisobutyl-substituted hydroxyaromatic compound, an aldehyde, an amino acid or ester thereof, and an alkali metal base to form the Mannich condensation product sequestering agent. The present invention is also directed to a lubricating oil composition, a lubricating oil concentrate, a fuel composition, and a fuel concentrate having the Mannich condensation product sequestering agents of the present invention.Type: ApplicationFiled: April 12, 2013Publication date: November 14, 2013Applicant: Chevron Oronite Company LLCInventors: James J. Harrison, Kenneth D. Nelson
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Patent number: 8476460Abstract: Disclosed is a process for preparing a molybdated succinimide complex, the process comprising: (a) reacting an alkyl or alkenyl succinimide of a polyamine of formula I or formula II or mixtures thereof: wherein R is an about C12 to C30 alkyl or alkenyl group, R? is a straight or branched-chain alkylene group having 2 to 3 carbon atoms, x is 1 to 11, and y is 1 to 10, with an ?,?-unsaturated mono-carboxylic acid or carboxylic acid ester, in a charge mole ratio of the ?,?-unsaturated mono-carboxylic acid or carboxylic acid ester to the succinimide of formula I or formula II or mixtures thereof of about 0.1:1 to about 6:1, and wherein the reaction temperature is no greater than about 135° C.; and (b) reacting the succinimide product of step (a) with an acidic molybdenum compound to provide the molybdated succinimide complex, wherein the molybdated succinimide complex prepared is a liquid at room temperature.Type: GrantFiled: January 21, 2011Date of Patent: July 2, 2013Assignee: Chevron Oronite Company LLCInventors: Kenneth D. Nelson, James J. Harrison, Paula Rogers, Mitra Hosseini
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Patent number: 8455681Abstract: The present invention is directed to Mannich condensation product sequestering agents or mixtures of Mannich condensation product sequestering agents for use in fuels and lubricating oils. The present invention is also directed to a process for preparing the Mannich condensation product sequestering agents. The present invention is also directed to a product formed by combining, under reaction conditions, a polyisobutyl-substituted hydroxyaromatic compound, an aldehyde, an amino acid or ester thereof, and an alkali metal base to form the Mannich condensation product sequestering agent. The present invention is also directed to a lubricating oil composition, a lubricating oil concentrate, a fuel composition, and a fuel concentrate having the Mannich condensation product sequestering agents of the present invention.Type: GrantFiled: May 9, 2012Date of Patent: June 4, 2013Assignee: Chevron Oronite Company LLCInventors: James J. Harrison, Kenneth D. Nelson
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Patent number: 8426608Abstract: Disclosed is a process for preparing a molybdated succinimide complex, the process comprising: (a) reacting an alkyl or alkenyl mono- or bis-succinimide of a polyamine of formula I or formula II or mixtures thereof: wherein R is an alkyl or alkenyl group having a number average molecular weight of about 500 to about 5,000, R? is a straight or branched-chain alkylene group having 2 to 3 carbon atoms, x is 2 to 11, and y is 1 to 10, with an ?,?-unsaturated mono-carboxylic acid or carboxylic acid ester, in a charge mole ratio of the ?,?-unsaturated mono-carboxylic acid or carboxylic acid ester to the succinimide of formula I or formula II or mixtures thereof of greater than 1.05:1 to about 6:1, and wherein the reaction temperature is in the range of from greater than 80° C. to no greater than about 150° C.Type: GrantFiled: January 21, 2011Date of Patent: April 23, 2013Assignee: Chevron Oronite Company LLCInventors: Kenneth D. Nelson, James J. Harrison, Paula Rogers, Mitra Hosseini
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Patent number: 8394747Abstract: The present invention is directed to Mannich condensation product sequestering agents or mixtures of Mannich condensation product sequestering agents for use in fuels and lubricating oils. The present invention is also directed to a process for preparing the Mannich condensation product sequestering agents. The present invention is also directed to a product formed by combining, under reaction conditions, a polyisobutyl-substituted hydroxyaromatic compound, an aldehyde, an amino acid or ester thereof, and an alkali metal base to form the Mannich condensation product sequestering agent. The present invention is also directed to a lubricating oil composition, a lubricating oil concentrate, a fuel composition, and a fuel concentrate having the Mannich condensation product sequestering agents of the present invention.Type: GrantFiled: May 4, 2011Date of Patent: March 12, 2013Assignee: Chevron Oronite Company LLCInventors: James J. Harrison, Kenneth D. Nelson
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Publication number: 20120253065Abstract: The present invention is directed to Mannich condensation product sequestering agents or mixtures of Mannich condensation product sequestering agents for use in fuels and lubricating oils. The present invention is also directed to a process for preparing the Mannich condensation product sequestering agents. The present invention is also directed to a product formed by combining, under reaction conditions, a polyisobutyl-substituted hydroxyaromatic compound, an aldehyde, an amino acid or ester thereof, and an alkali metal base to form the Mannich condensation product sequestering agent. The present invention is also directed to a lubricating oil composition, a lubricating oil concentrate, a fuel composition, and a fuel concentrate having the Mannich condensation product sequestering agents of the present invention.Type: ApplicationFiled: May 9, 2012Publication date: October 4, 2012Applicant: Chevron Oronite Company LLCInventors: James J. Harrison, Kenneth D. Nelson
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Publication number: 20120190864Abstract: Disclosed is a process for preparing a molybdated succinimide complex, the process comprising: (a) reacting an alkyl or alkenyl mono- or bis-succinimide of a polyamine of formula I or formula II or mixtures thereof: wherein R is an alkyl or alkenyl group having a number average molecular weight of about 500 to about 5,000, R? is a straight or branched-chain alkylene group having 2 to 3 carbon atoms, x is 2 to 11, and y is 1 to 10, with an ?,?-unsaturated mono-carboxylic acid or carboxylic acid ester, in a charge mole ratio of the ?,?-unsaturated mono-carboxylic acid or carboxylic acid ester to the succinimide of formula I or formula II or mixtures thereof of greater than 1.05:1 to about 6:1, and wherein the reaction temperature is in the range of from greater than 80° C. to no greater than about 150° C.Type: ApplicationFiled: January 21, 2011Publication date: July 26, 2012Inventors: Kenneth D. Nelson, James J. Harrison, Paula Rogers, Mitra Hosseini
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Publication number: 20120190863Abstract: Disclosed is a process for preparing a molybdated succinimide complex, the process comprising: (a) reacting an alkyl or alkenyl succinimide of a polyamine of formula I or formula II or mixtures thereof: wherein R is an about C12 to C30 alkyl or alkenyl group, R? is a straight or branched-chain alkylene group having 2 to 3 carbon atoms, x is 1 to 11, and y is 1 to 10, with an ?,?-unsaturated mono-carboxylic acid or carboxylic acid ester, in a charge mole ratio of the ?,?-unsaturated mono-carboxylic acid or carboxylic acid ester to the succinimide of formula I or formula II or mixtures thereof of about 0.1:1 to about 6:1, and wherein the reaction temperature is no greater than about 135° C.; and (b) reacting the succinimide product of step (a) with an acidic molybdenum compound to provide the molybdated succinimide complex, wherein the molybdated succinimide complex prepared is a liquid at room temperature.Type: ApplicationFiled: January 21, 2011Publication date: July 26, 2012Inventors: Kenneth D. Nelson, James J. Harrison, Paula Rogers, Mitra Hosseini
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Publication number: 20120145115Abstract: A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having no more than about 600 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having no more than about 800 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of about 5:1 to about 500:1.Type: ApplicationFiled: February 17, 2012Publication date: June 14, 2012Applicants: Chevron U.S.A, Inc., Chevron Oronite Company LLCInventors: Kenneth D. Nelson, Alexander B. Boffa, William M. Kleiser, Stephen D. Stults, James A. McGeehan, Wim Van Dam, Richard E. Cherpeck
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Publication number: 20120145114Abstract: A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having no more than about 400 ppm of boron; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having, at least about 1100 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of less than or equal to about 4:1.Type: ApplicationFiled: February 17, 2012Publication date: June 14, 2012Applicants: CHEVRON U.S.A. INC., CHEVRON ORONITE COMPANY LLCInventors: KENNETH D. NELSON, ALEXANDER B. BOFFA, WILLIAM M. KLEISER, STEPHEN D. STULTS, JAMES A. MCGEEHAN, WIM VAN DAM, RICHARD E. CHERPECK
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Publication number: 20120145116Abstract: A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having greater than 400 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having at least about 1100 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of less than or equal to about 4:1.Type: ApplicationFiled: February 17, 2012Publication date: June 14, 2012Applicants: Chevron U.S.A. Inc., Chevron Oronite Company LLCInventors: Kenneth D. Nelson, Alexander B. Boffa, William M. Kleiser, Stephen D. Stults, James A. McGeehan, Wim Van Dam, Richard E. Cherpeck
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Patent number: 8193131Abstract: A molybdated succinimide complex is disclosed which is prepared by a process comprising (a) reacting a succinimide of a polyamine of formula I: wherein R is a hydrocarbon radical having a number average molecular weight of about 500 to about 5,000, a and b are independently 2 or 3, and x is 0 to 10, with an ethylenically unsaturated carboxylic acid or anhydride thereof, in a charge mole ratio of the ethylenically unsaturated carboxylic acid or anhydride thereof to the succinimide of formula I of about 0.9:1 to about 1.05:1; and (b) reacting the succinimide product of step (a) with an acidic molybdenum compound. Also disclosed is a lubricating oil composition containing at least (a) a major amount of a base oil of lubricating viscosity and (b) a minor amount of the molybdated succinimide complex.Type: GrantFiled: August 23, 2011Date of Patent: June 5, 2012Assignee: Chevron Oronite Company LLCInventors: Kenneth D. Nelson, Edward A. Chiverton
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Patent number: 8193132Abstract: A molybdated succinimide complex is disclosed which is prepared by a process comprising (a) reacting an alkyl or alkenyl succinimide of a polyamine of formula I wherein R is an about C12 to about C30 alkyl or alkenyl group; a and b are independently 2 or 3, and x is 0 to 10, with an ethylenically unsaturated carboxylic acid or anhydride thereof; and (b) reacting the product of step (a) with an acidic molybdenum compound. Also disclosed is a lubricating oil composition containing at least (a) a major amount of a base oil of lubricating viscosity and (b) a minor amount of the molybdated succinimide complex.Type: GrantFiled: August 23, 2011Date of Patent: June 5, 2012Assignee: Chevron Oronite Company LLCInventors: Kenneth D. Nelson, Edward A. Chiverton
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Crankcase lubricating oil composition for protection of silver bearings in locomotive diesel engines
Patent number: 8084404Abstract: The present invention is directed to a crankcase lubricating oil composition for protection of silver bearings in locomotive diesel engines comprising (A) a major amount of an oil of lubricating viscosity, and (B) a silver wear protection additive composition, and (C) one or more detergents. The silver wear protection additive composition of the present invention comprises a mixture of (i) a hydrocarbylamine salt of a di-alkyl di-thiophosphoric acid and (ii) a hydrocarbylamine salt of an alkyl acid phosphate.Type: GrantFiled: July 20, 2005Date of Patent: December 27, 2011Assignee: Chevron Oronite Company LLCInventors: Melanie F. Tobias, Kenneth D. Nelson, Elaine S. Yamaguchi, Vernon R. Small -
Publication number: 20110312861Abstract: A molybdated succinimide complex is disclosed which is prepared by a process comprising (a) reacting a succinimide of a polyamine of formula I: wherein R is a hydrocarbon radical having a number average molecular weight of about 500 to about 5,000, a and b are independently 2 or 3, and x is 0 to 10, with an ethylenically unsaturated carboxylic acid or anhydride thereof, in a charge mole ratio of the ethylenically unsaturated carboxylic acid or anhydride thereof to the succinimide of formula I of about 0.9:1 to about 1.05:1; and (b) reacting the succinimide product of step (a) with an acidic molybdenum compound. Also disclosed is a lubricating oil composition containing at least (a) a major amount of a base oil of lubricating viscosity and (b) a minor amount of the molybdated succinimide complex.Type: ApplicationFiled: August 23, 2011Publication date: December 22, 2011Applicant: Chevron Oronite Company LLCInventors: Kenneth D. Nelson, Edward A. Chiverton
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Publication number: 20110312862Abstract: A molybdated succinimide complex is disclosed which is prepared by a process comprising (a) reacting an alkyl or alkenyl succinimide of a polyamine of formula I wherein R is an about C12 to about C30 alkyl or alkenyl group; a and b are independently 2 or 3, and x is 0 to 10, with an ethylenically unsaturated carboxylic acid or anhydride thereof; and (b) reacting the product of step (a) with an acidic molybdenum compound. Also disclosed is a lubricating oil composition containing at least (a) a major amount of a base oil of lubricating viscosity and (b) a minor amount of the molybdated succinimide complex.Type: ApplicationFiled: August 23, 2011Publication date: December 22, 2011Applicant: Chevron Oronite Company LLCInventors: Kenneth D. Nelson, Edward A. Chiverton
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Publication number: 20110245117Abstract: Disclosed is a method for improving compatibility of a fluorocarbon elastomer seal with a lubricating oil composition containing (a) a major amount of a base oil of lubricating viscosity; and (b) one or more dispersants containing one or more basic nitrogen atoms. The method involves adding to the lubricating oil composition an effective amount of one or more fluorocarbon elastomer compatibility improving agents comprising one or more oil-soluble titanium compounds.Type: ApplicationFiled: March 31, 2010Publication date: October 6, 2011Applicant: Chevron Oronite Company LLCInventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
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Publication number: 20110239971Abstract: Disclosed is a method for improving copper corrosion performance of a lubricating oil composition containing (a) a major amount of a base oil of lubricating viscosity; and (b) one or more dispersants containing one or more basic nitrogen atoms. The method involves adding to the lubricating oil composition an effective amount of one or more copper corrosion performance improving agents of the general formula Si—X4 or a hydrolysis product thereof, wherein each X is independently a hydroxyl-containing group, hydrocarbyloxy-containing group, acyloxy-containing group, amino-containing group, monoalkyl amino-containing group or dialkyl amino-containing group.Type: ApplicationFiled: March 31, 2010Publication date: October 6, 2011Applicant: Chevron Oronite Company LLCInventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
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Publication number: 20110245118Abstract: Disclosed is a method for improving compatibility of a fluorocarbon elastomer seal with a lubricating oil composition containing (a) a major amount of a base oil of lubricating viscosity; and (b) one or more dispersants containing one or more basic nitrogen atoms. The method involves adding to the lubricating oil composition an effective amount of one or more fluorocarbon elastomer compatibility improving agents of the general formula Si—X4 or a hydrolysis product thereof, wherein each X is independently a hydroxyl-containing group, hydrocarbyloxy-containing group, acyloxy-containing group, amino-containing group, monoalkyl amino-containing group or dialkyl amino-containing group.Type: ApplicationFiled: March 31, 2010Publication date: October 6, 2011Applicant: Chevron Oronite Company LLCInventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers