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).

  • Patent number: 9315758
    Abstract: 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: Grant
    Filed: September 30, 2008
    Date of Patent: April 19, 2016
    Assignee: Chevron Oronite Company LLC
    Inventors: Elaine S. Yamaguchi, Kam-Sik Ng
  • Patent number: 9150811
    Abstract: 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: Grant
    Filed: March 31, 2010
    Date of Patent: October 6, 2015
    Assignee: Cherron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
  • Publication number: 20150094244
    Abstract: 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: Application
    Filed: October 8, 2014
    Publication date: April 2, 2015
    Inventors: Elaine S. Yamaguchi, Kam-Sik Ng
  • Patent number: 8993496
    Abstract: 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: Grant
    Filed: March 31, 2010
    Date of Patent: March 31, 2015
    Assignee: Chevron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
  • Patent number: 8933001
    Abstract: 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: Grant
    Filed: March 31, 2010
    Date of Patent: January 13, 2015
    Assignee: Chevron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
  • Patent number: 8901050
    Abstract: 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: Grant
    Filed: March 31, 2010
    Date of Patent: December 2, 2014
    Assignee: Chevron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
  • Patent number: 8153566
    Abstract: 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: Grant
    Filed: September 30, 2008
    Date of Patent: April 10, 2012
    Assignee: Cherron Oronite Company LLC
    Inventors: Elaine S. Yamaguchi, Kam-Sik Ng
  • Patent number: 8067346
    Abstract: 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: Grant
    Filed: August 31, 2006
    Date of Patent: November 29, 2011
    Assignee: Chevron Oronite Company LLC
    Inventors: Elaine S. Yamaguchi, Kam-Sik Ng
  • Publication number: 20110239971
    Abstract: 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: Application
    Filed: March 31, 2010
    Publication date: October 6, 2011
    Applicant: Chevron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
  • Publication number: 20110245117
    Abstract: 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: Application
    Filed: March 31, 2010
    Publication date: October 6, 2011
    Applicant: Chevron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
  • Publication number: 20110245118
    Abstract: 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: Application
    Filed: March 31, 2010
    Publication date: October 6, 2011
    Applicant: Chevron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
  • Publication number: 20110239970
    Abstract: 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: Application
    Filed: March 31, 2010
    Publication date: October 6, 2011
    Applicant: Chevron Oronite Company LLC
    Inventors: Keneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
  • Patent number: 7867960
    Abstract: 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: Grant
    Filed: August 31, 2006
    Date of Patent: January 11, 2011
    Assignee: Cherron Oronite Company LLC
    Inventors: Elaine S. Yamaguchi, Kam-Sik Ng
  • Publication number: 20100081591
    Abstract: 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: Application
    Filed: September 30, 2008
    Publication date: April 1, 2010
    Applicant: Chevron Oronite Company LLC
    Inventors: Elaine S. Yamaguchi, Kam-Sik Ng
  • Publication number: 20100081589
    Abstract: 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: Application
    Filed: September 30, 2008
    Publication date: April 1, 2010
    Applicant: Chevron Oronite Company LLC
    Inventors: Elaine S. Yamaguchi, Kam-Sik Ng
  • Publication number: 20100081588
    Abstract: 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: Application
    Filed: September 30, 2008
    Publication date: April 1, 2010
    Applicant: Chevron Oronite Company LLC
    Inventors: Elaine S. Yamaguchi, Kam-Sik Ng
  • Publication number: 20080058232
    Abstract: 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: Application
    Filed: August 31, 2006
    Publication date: March 6, 2008
    Inventors: Elaine S. Yamaguchi, Kam-Sik Ng
  • Publication number: 20080058231
    Abstract: 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: Application
    Filed: August 31, 2006
    Publication date: March 6, 2008
    Inventors: Elaine S. Yamaguchi, Kam-Sik Ng