Patents by Inventor Yat Fan Suen

Yat Fan Suen 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: 10450525
    Abstract: The present invention is directed to a process of making alkanolamides wherein the “aging” time is reduced and the diethanol amide to ester ratio in the finished product is increased. Further provided is an additive composition comprising an alkanolamide which contains a reduced amount of DEA and BHEP.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: October 22, 2019
    Assignee: Chevron Oronite Company LLC
    Inventors: Yat Fan Suen, Joanne Liu, Francois Simard, Yuen Ting Anita Leung
  • Publication number: 20190106651
    Abstract: The present disclosure generally relates to an internal combustion engine lubricating oil composition comprising: (a) a major amount of a base oil of lubricating viscosity; (b) a nitrogen-containing dispersant; (c) an alkaline earth metal containing detergent; (d) a compound comprising the reaction product of: (i) a nitrogen-containing reactant, wherein the nitrogen-containing reactant comprises an alkyl alkanolamide, an alkyl alkoxylated alkanolamide, an alkyl alkanolamine, an alkyl alkoxylated alkanolamine or mixtures thereof, (ii) a source of boron, and (iii) a hydrocarbyl polyol, having at least three hydroxyl groups. Also provided is a method for improving fresh oil or used oil fuel economy in an internal combustion engine comprising lubricating said engine with said lubricating oil composition.
    Type: Application
    Filed: October 6, 2017
    Publication date: April 11, 2019
    Inventors: Koichi Kubo, Yoshitaka Takeuchi, Masaya Kanauchi, Chihiro Sone, Yat Fan Suen, Trevor W. Miller
  • Patent number: 10227546
    Abstract: Disclosed is a lubricating oil composition comprising the reaction product of a nitrogen containing reactant wherein the nitrogen containing reactant comprises an alkyl di-alkanolamide, an alkyl di-alkanolamine, or mixtures thereof; an acidic molybdenum compound; and a salicylate compound. Also disclosed is a method for operating an internal combustion engine comprising said lubricating composition and a method for preparing a molybdenum containing friction modifier.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: March 12, 2019
    Assignee: Chevron Oronite Company LLC
    Inventors: Yat Fan Suen, Julian H. McLain
  • Patent number: 9752093
    Abstract: The present invention is directed to compounds comprising the reaction products of a phenolic ester polyol, a boron containing compound, and optionally, an alcohol. Also disclosed are compounds comprising the reaction products of a polyol, a boron containing compound, and a phenolic acid or ester. Lubricating oil compositions and additive concentrates comprising above compounds, and methods for operating an internal combustion engine using said lubricating oil compositions are also disclosed.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: September 5, 2017
    Assignee: Chevron Oronite Company LLC
    Inventors: Yat Fan Suen, Julian H. McLain, John Robert Miller, Jennifer Elizabeth Newell, Shengua Li, Vivek Palekar
  • Publication number: 20170058229
    Abstract: Disclosed is a lubricating oil composition comprising the reaction product of a nitrogen containing reactant wherein the nitrogen containing reactant comprises an alkyl di-alkanolamide, an alkyl di-alkanolamine, or mixtures thereof; an acidic molybdenum compound; and a salicylate compound. Also disclosed is a method for operating an internal combustion engine comprising said lubricating composition and a method for preparing a molybdenum containing friction modifier.
    Type: Application
    Filed: November 10, 2016
    Publication date: March 2, 2017
    Inventors: Yat Fan Suen, Julian H. McLain
  • Patent number: 9534186
    Abstract: Disclosed is a lubricating oil composition comprising the reaction product of a nitrogen containing reactant wherein the nitrogen containing reactant comprises an alkyl di-alkanolamide, an alkyl di-alkanolamine, or mixtures thereof; an acidic molybdenum compound; and a salicylate compound. Also disclosed is a method for operating an internal combustion engine comprising said lubricating composition and a method for preparing a molybdenum containing friction modifier.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: January 3, 2017
    Assignee: Chevron Oronite Company LLC
    Inventors: Yat Fan Suen, Julian H. McLain
  • Publication number: 20160369199
    Abstract: Disclosed is a lubricating oil composition comprising the reaction product of a nitrogen containing reactant wherein the nitrogen containing reactant comprises an alkyl di-alkanolamide, an alkyl di-alkanolamine, or mixtures thereof; an acidic molybdenum compound; and a salicylate compound. Also disclosed is a method for operating an internal combustion engine comprising said lubricating composition and a method for preparing a molybdenum containing friction modifier.
    Type: Application
    Filed: June 17, 2015
    Publication date: December 22, 2016
    Applicant: CHEVRON ORONITE COMPANY LLC
    Inventors: Yat Fan Suen, Julian H. McLain
  • Publication number: 20160355746
    Abstract: The present invention is directed to compounds comprising the reaction products of a phenolic ester polyol, a boron containing compound, and optionally, an alcohol. Also disclosed are compounds comprising the reaction products of a polyol, a boron containing compound, and a phenolic acid or ester. Lubricating oil compositions and additive concentrates comprising above compounds, and methods for operating an internal combustion engine using said lubricating oil compositions are also disclosed.
    Type: Application
    Filed: June 4, 2015
    Publication date: December 8, 2016
    Applicant: Chevron Oronite Company LLC
    Inventors: Yat Fan Suen, Julian H. McLain, John Robert Miller, Jennifer Elizabeth Newell, Shengua Li, Vivek Palekar
  • Patent number: 9388362
    Abstract: A lubricating oil additive composition comprising the reaction product of an (a) an alkylated aromatic ether alcohol, (b) a source of boron, and (c) a hydrocarbyl polyol, having at least two hydroxyl groups.
    Type: Grant
    Filed: October 30, 2012
    Date of Patent: July 12, 2016
    Assignee: Chevron Oronite Company LLC
    Inventor: Yat Fan Suen
  • Patent number: 9371499
    Abstract: A lubricating oil additive composition comprising the reaction product of a (a) nitrogen-containing reactant, wherein the nitrogen-containing reactant comprises an alkyl alkanolamide, an alkyl alkoxylated alkanolamide, an alkyl alkanolamine, an alkyl alkoxylated alkanolamine or mixtures thereof, and wherein the nitrogen-containing reactant contains less than 10 mass percent of glycerol alkyl ester; (b) a source of boron; and (c) a hydrocarbyl polyol, having at least three hydroxyl groups.
    Type: Grant
    Filed: October 30, 2012
    Date of Patent: June 21, 2016
    Assignee: Chevron Oronite Company LLC
    Inventors: Yat Fan Suen, Francois Simard, Rachel M. Knight, John K. Ward
  • Publication number: 20160060560
    Abstract: The present invention is directed to a process of making alkanolamides wherein the “aging” time is reduced and the diethanol amide to ester ratio in the finished product is increased. Further provided is an additive composition comprising an alkanolamide which contains a reduced amount of DEA and BHEP.
    Type: Application
    Filed: August 27, 2014
    Publication date: March 3, 2016
    Applicant: Chevron Oronite Company LLC
    Inventors: Yat Fan Suen, Joanne Liu, Francois Simard, Yuen Ting Anita Leung
  • Patent number: 9227920
    Abstract: A method of preparing a lubricating oil additive composition comprising reacting (A) a nitrogen-containing reactant derived from reacting a first reaction product with a triglyceride, wherein the first reaction product is derived by reacting an alkanolamine and a base, wherein the nitrogen-containing reactant comprises three equivalents of a nitrogen-containing compound and one equivalent of glycerol, and wherein the nitrogen-containing reactant contains less than 10 mass percent of glycerol alkyl ester; (B) a source of boron; and (C) glycerol.
    Type: Grant
    Filed: October 30, 2012
    Date of Patent: January 5, 2016
    Assignee: Chevron Oronite Company LLC
    Inventors: Yat Fan Suen, Jennifer Elizabeth Newell
  • Patent number: 8901328
    Abstract: Disclosed is a method involving reacting a deprotonated mono- or dialkanol amine with one or more C4 to about C75 fatty acid monoalcohol esters.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: December 2, 2014
    Assignee: Chervon Oronite Company LLC
    Inventors: Yat Fan Suen, Sarah Liz Jensen
  • Publication number: 20140121140
    Abstract: A method of preparing a lubricating oil additive composition comprising reacting (A) a nitrogen-containing reactant derived from reacting a first reaction product with a triglyceride, wherein the first reaction product is derived by reacting an alkanolamine and a base, wherein the nitrogen-containing reactant comprises three equivalents of a nitrogen-containing compound and one equivalent of glycerol, and wherein the nitrogen-containing reactant contains less than 10 mass percent of glycerol alkyl ester; (B) a source of boron; and (C) glycerol.
    Type: Application
    Filed: October 30, 2012
    Publication date: May 1, 2014
    Applicant: Chevron Oronite Company LLC
    Inventors: Yat Fan Suen, Jennifer Elizabeth Barbarow
  • Publication number: 20140121141
    Abstract: A lubricating oil additive composition comprising the reaction product of a (a) nitrogen-containing reactant, wherein the nitrogen-containing reactant comprises an alkyl alkanolamide, an alkyl alkoxylated alkanolamide, an alkyl alkanolamine, an alkyl alkoxylated alkanolamine or mixtures thereof, and wherein the nitrogen-containing reactant contains less than 10 mass percent of glycerol alkyl ester; (b) a source of boron; and (c) a hydrocarbyl polyol, having at least three hydroxyl groups.
    Type: Application
    Filed: October 30, 2012
    Publication date: May 1, 2014
    Applicant: Chevron Oronite Company LLC
    Inventor: Yat Fan Suen
  • Publication number: 20140121142
    Abstract: A lubricating oil additive composition comprising the reaction product of an (a) an alkylated aromatic ether alcohol, (b) a source of boron, and (c) a hydrocarbyl polyol, having at least two hydroxyl groups.
    Type: Application
    Filed: October 30, 2012
    Publication date: May 1, 2014
    Applicant: Chevron Oronite Company LLC
    Inventor: Yat Fan Suen
  • Patent number: 8703680
    Abstract: Disclosed are friction modifier compositions and a method of lubricating an internal combustion engine, comprising supplying to said engine an oil of lubricating viscosity and from 0.25 to 5 weight percent based upon the total mass of the lubricating oil composition of a friction modifier composition containing: a) an amino alcohol reaction product prepared by isomerizing a C12-C30 normal alpha olefin using at least one of a solid or liquid catalyst to form an internal olefin; epoxidizing said olefin; and reacting with a mono-hydroxyl amine; b) an ester of glycerol and a C12-C22 carboxylic acid containing 0 to 3 double bonds.
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: April 22, 2014
    Assignee: Chevron Oronite Company LLC
    Inventor: Yat Fan Suen
  • Publication number: 20130274491
    Abstract: Disclosed is a method involving reacting a deprotonated mono- or dialkanol amine with one or more C4 to about C75 fatty acid monoalcohol esters.
    Type: Application
    Filed: April 11, 2012
    Publication date: October 17, 2013
    Applicant: Chevron Oronite Company LLC
    Inventors: Yat Fan Suen, Sarah Liz Jensen
  • Publication number: 20130102508
    Abstract: Multi-functional additives which impart improved antioxidancy to lubricating oil compositions and frictional properties resulting in improved fuel economy in an internal combustion engine are disclosed. More particularly disclosed are lubricating oil compositions for internal combustion engines comprising a) a major amount of an oil of lubricating viscosity; and b) a minor amount of an oil soluble hydroxylated amine salt of a hindered phenolic acid, said salt having the general formula I: wherein A and Q are each independently C2-C6 alkylene group; R is methyl, alkyl or alkenyl group having C2-C24 carbon atoms; Y is hydrogen, C1-C6 alkyl group or A-OH; x is an integer of 1 or 2; and z is an integer of 0 or 1.
    Type: Application
    Filed: December 11, 2012
    Publication date: April 25, 2013
    Applicant: Chevron Oronite Company LLC
    Inventors: Yat Fan Suen, John Ward, Trevor Miller
  • Patent number: 8343901
    Abstract: Multi-functional additives which impart improved antioxidancy to lubricating oil compositions and frictional properties resulting in improved fuel economy in an internal combustion engine are disclosed. More particularly disclosed are lubricating oil compositions for internal combustion engines comprising a) a major amount of an oil of lubricating viscosity; and b) a minor amount of an oil soluble hydroxylated amine salt of a hindered phenolic acid, said salt having the general formula I: wherein A and Q are each independently C2-C6 alkylene group; R is methyl, alkyl or alkenyl group having C2-C24 carbon atoms; Y is hydrogen, C1-C6 alkyl group or A-OH; x is an integer of 1 or 2; and z is an integer of 0 or 1.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: January 1, 2013
    Assignee: Chevron Oronite Company LLC
    Inventors: Yat Fan Suen, John Ward, Trevor Miller