Patents by Inventor Kam-Sik Ng
Kam-Sik Ng 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: 9315758Abstract: A lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; and (b) an oil-soluble titanium compound of Formula I: wherein R1, R2, R3 and R4 are independently a C1-C20 alkoxy group, and further wherein the lubricating oil composition is free of any zinc dialkyldithiophosphate.Type: GrantFiled: September 30, 2008Date of Patent: April 19, 2016Assignee: Chevron Oronite Company LLCInventors: Elaine S. Yamaguchi, Kam-Sik Ng
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Patent number: 9150811Abstract: 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 containing one or more oil-soluble titanium compounds.Type: GrantFiled: March 31, 2010Date of Patent: October 6, 2015Assignee: Cherron Oronite Company LLCInventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
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Publication number: 20150094244Abstract: A lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity, (b) an ashless dispersant, (c) at least one metal-containing detergent, (d) an antioxidant, and (e) an anti-wear agent, wherein the lubricating oil composition is free of any zinc dialkyl dithiophosphate compound and is substantially free of any phosphorus content is disclosed.Type: ApplicationFiled: October 8, 2014Publication date: April 2, 2015Inventors: Elaine S. Yamaguchi, Kam-Sik Ng
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Patent number: 8993496Abstract: 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: GrantFiled: March 31, 2010Date of Patent: March 31, 2015Assignee: Chevron Oronite Company LLCInventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
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Patent number: 8933001Abstract: 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: GrantFiled: March 31, 2010Date of Patent: January 13, 2015Assignee: Chevron Oronite Company LLCInventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
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Patent number: 8901050Abstract: 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: GrantFiled: March 31, 2010Date of Patent: December 2, 2014Assignee: Chevron Oronite Company LLCInventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
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Patent number: 8153566Abstract: A lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity, and (b) an oil-soluble tetra-functional hydrolyzable silane compound 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 a dialkyl amino-containing group, and further wherein the lubricating oil composition is free of any zinc dialkyl dithiophosphate.Type: GrantFiled: September 30, 2008Date of Patent: April 10, 2012Assignee: Cherron Oronite Company LLCInventors: Elaine S. Yamaguchi, Kam-Sik Ng
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Patent number: 8067346Abstract: Disclosed are lubricating oil compositions comprising a major amount of an oil of lubricating viscosity and a tetra-functional hydrolyzable silane compound of the general formula Si—X4 or hydrolysis product thereof, wherein X is independently selected from the group consisting of hydroxyl, alkoxy, aryloxy, acyloxy, amino, monoalkyl amino and dialkyl amino.Type: GrantFiled: August 31, 2006Date of Patent: November 29, 2011Assignee: Chevron Oronite Company LLCInventors: Elaine S. Yamaguchi, Kam-Sik Ng
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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: 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: 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
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Publication number: 20110239970Abstract: 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 containing one or more oil-soluble titanium compounds.Type: ApplicationFiled: March 31, 2010Publication date: October 6, 2011Applicant: Chevron Oronite Company LLCInventors: Keneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
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Method for forming tetraoxy-silane derived antiwear films and lubricating oil compositions therefrom
Patent number: 7867960Abstract: Disclosed is a method for forming an antiwear film on an internal engine component comprising: contacting a surface of an internal wearing component of the engine with a tetra-functional hydrolyzable silane compound of the general formula Si—X4 or hydrolysis product thereof, wherein X is independently selected from the group consisting of hydroxyl, alkoxy, aryloxy, acyloxy, amino, monoalkyl amino and dialkyl amino; and hydrolyzing and condensing the tetra-functional silane to thereby form a film. Also disclosed are mixed silane films and the products produced by these methods.Type: GrantFiled: August 31, 2006Date of Patent: January 11, 2011Assignee: Cherron Oronite Company LLCInventors: Elaine S. Yamaguchi, Kam-Sik Ng -
Publication number: 20100081591Abstract: A lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity, (b) an ashless dispersant, (c) at least one metal-containing detergent, (d) an antioxidant, and (e) an anti-wear agent, wherein the lubricating oil composition is free of any zinc dialkyl dithiophosphate compound and is substantially free of any phosphorus content is disclosed.Type: ApplicationFiled: September 30, 2008Publication date: April 1, 2010Applicant: Chevron Oronite Company LLCInventors: Elaine S. Yamaguchi, Kam-Sik Ng
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Publication number: 20100081589Abstract: A lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; and (b) an oil-soluble titanium compound of Formula I: wherein R1, R2, R3 and R4 are independently a C1-C20 alkoxy group, and further wherein the lubricating oil composition is free of any zinc dialkyldithiophosphate.Type: ApplicationFiled: September 30, 2008Publication date: April 1, 2010Applicant: Chevron Oronite Company LLCInventors: Elaine S. Yamaguchi, Kam-Sik Ng
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Publication number: 20100081588Abstract: A lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity, and (b) an oil-soluble tetra-functional hydrolyzable silane compound 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 a dialkyl amino-containing group, and further wherein the lubricating oil composition is free of any zinc dialkyl dithiophosphate.Type: ApplicationFiled: September 30, 2008Publication date: April 1, 2010Applicant: Chevron Oronite Company LLCInventors: Elaine S. Yamaguchi, Kam-Sik Ng
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Publication number: 20080058232Abstract: Disclosed are lubricating oil compositions comprising a major amount of an oil of lubricating viscosity and a tetra-functional hydrolyzable silane compound of the general formula Si—X4 or hydrolysis product thereof, wherein X is independently selected from the group consisting of hydroxyl, alkoxy, aryloxy, acyloxy, amino, monoalkyl amino and dialkyl amino.Type: ApplicationFiled: August 31, 2006Publication date: March 6, 2008Inventors: Elaine S. Yamaguchi, Kam-Sik Ng
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Method for forming tetraoxy-silane derived antiwear films and lubricating oil compositions therefrom
Publication number: 20080058231Abstract: Disclosed is a method for forming an antiwear film on an internal engine component comprising: contacting a surface of an internal wearing component of the engine with a tetra-functional hydrolyzable silane compound of the general formula Si—X4 or hydrolysis product thereof, wherein X is independently selected from the group consisting of hydroxyl, alkoxy, aryloxy, acyloxy, amino, monoalkyl amino and dialkyl amino; and hydrolyzing and condensing the tetra-functional silane to thereby form a film. Also disclosed are mixed silane films and the products produced by these methods.Type: ApplicationFiled: August 31, 2006Publication date: March 6, 2008Inventors: Elaine S. Yamaguchi, Kam-Sik Ng