Patents by Inventor Man Kit Ng

Man Kit 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: 10844264
    Abstract: Lubricant compositions having at least one base oil composition including about 1.0 to about 15.0 wt % water, and a friction-reducing composition including a glycerol or thioglycerol compositions are described. Methods for making such lubricant compositions and methods of drilling using such lubricant compositions are also described.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: November 24, 2020
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Man Kit Ng, Tabassumul Haque, Joseph R. Pellettiere, Hong Cheng, Dennis G. Peiffer, Juan D. Henao, Larry L. Iaccino
  • Publication number: 20200190425
    Abstract: This disclosure provides a method for improving or maintaining antioxidant performance of a lubricating oil in an engine or other mechanical component lubricated with the lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition including a lubricating oil base stock as a major component, and at least one functionalized quercetin antioxidant, as a minor component. The at least one functionalized quercetin antioxidant is soluble in the lubricating oil. Antioxidant performance is improved or maintained as compared to antioxidant performance achieved using a lubricating oil containing a phenolic or aminic antioxidant, as determined by Lubricant Oxidation Test as described herein or Catalytic Oxidation Test as described herein. This disclosure also relates to lubricating oils having at least one functionalized quercetin antioxidant.
    Type: Application
    Filed: November 25, 2019
    Publication date: June 18, 2020
    Inventors: Halou Oumar-Mahamat, Martin N. Webster, Man Kit Ng, Hong Cheng, Kevin J. Buzdygon, Shane Deighton
  • Patent number: 10640725
    Abstract: Certain embodiments of the invention provide a lubricating oil composition comprising a lubricating oil base stock and a compound of formula (I): or a salt thereof, wherein R1, R2, R3 and R4 have any of the values defined in the specification, as well as methods of use thereof.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: May 5, 2020
    Assignees: Rutgers, The State University of New Jersey, ExxonMobil Research and Engineering Company
    Inventors: Kathryn Uhrich, Jonathan Faig, Yingyue Zhang, Shuji Luo, Man Kit Ng, Alan Schilowitz, Anne Marie Shough
  • Patent number: 10414964
    Abstract: A lubricant compositions having at least one base oil composition and a friction-reducing composition including a substituted phosphate ester and/or substituted hydrogen phosphites are described. Methods for making such compounds and methods of drilling using such lubricant compositions are also described.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: September 17, 2019
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Tabassumul Haque, Man Kit Ng, Joseph R. Pellettiere, Hong Cheng, Dennis G. Peiffer, Juan D. Henao, Larry L. Iaccino
  • Patent number: 10377961
    Abstract: A lubricating oil including a lubricating oil base stock as a major component; and a mixture of (i) one or more protected lubricating oil additives having a first performance function, and (ii) one or more unprotected lubricating oil additives having a second performance function, as a minor component. The first performance function and the second performance function are the same. The one or more protected lubricating oil additives are inactive with respect to their performance function. The one or more protected lubricating oil additives are converted into one or more unprotected lubricating oil additives in the lubricating oil in-service in an engine or other mechanical component. A method for controlled release of one or more lubricating oil additives into a lubricating oil. A method for improving oxidative stability of a lubricating oil and extending performance life of one or more lubricating oil additives.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: August 13, 2019
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Man Kit Ng, Anne Marie Shough, Hong Cheng, Joseph R. Pellettiere, Peter Calcavecchio, Shane Deighton
  • Patent number: 10377962
    Abstract: A lubricating oil including a lubricating oil base stock as a major component, and one or more lubricating oil additives having at least one protected active group, as a minor component. The one or more lubricating oil additives having at least one protected active group are converted into one or more lubricating oil additives having at least one unprotected active group in the lubricating oil in-service in an engine or other mechanical component. Compositions including one or more lubricating oil additives having at least one protected active group. A method for improving solubility of one or more lubricating oil additives in a lubricating oil. A method for improving oxidative stability of a lubricating oil and extending performance life of one or more lubricating oil additives. A method for improving friction control in an engine or other mechanical component lubricated with a lubricating oil.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: August 13, 2019
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Man Kit Ng, Anne Marie Shough, Hong Cheng, Joseph R. Pellettiere, Peter Calcavecchio, Shane Deighton
  • Patent number: 10316265
    Abstract: A composition including one or more diester compounds represented by the formula as defined herein. The composition has a viscosity (Kv100) from about 1 cSt to about 10 cSt at 100° C. as determined by ASTM D445, a viscosity index (VI) from about ?100 to about 300 as determined by ASTM D2270, and a Noack volatility of no greater than 50 percent as determined by ASTM D5800. A process for producing the composition, a lubricating oil base stock and lubricating oil containing the composition, and a method for improving one or more of thermal and oxidative stability, solubility and dispersancy of polar additives, deposit control and traction control in a lubricating oil by using as the lubricating oil a formulated oil containing the composition.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: June 11, 2019
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Man Kit Ng, Halou Oumar-Mahamat, Hong Cheng, David A. Blain
  • Patent number: 10077409
    Abstract: A lubricating oil base stock including one or more monoesters represented by the formula (I), (II), (III) and (IV) as defined herein. The lubricating oil base stock has a high temperature high shear (HTHS) viscosity of less than about 1.7 cP as determined by ASTM D4683, and a Noack volatility from about 15 to about 90 percent as determined by ASTM D5800. A lubricating oil containing the lubricating oil base stock including one or more monoesters represented by the formula (I), (II), (III) and (IV) as defined herein. A method for improving one or more of thermal and oxidative stability, solubility and dispersancy of polar additives, deposit control and traction control in a lubricating oil by using as the lubricating oil a formulated oil containing the lubricating oil base stock including one or more monoesters represented by the formula (I), (II), (III) and (IV) as defined herein.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: September 18, 2018
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Man Kit Ng, Halou Oumar-Mahamat, Hong Cheng, David A. Blain, Kathleen K. Cooper, James T. Carey, Michael R. Douglass, Percy R. Kanga, Abhimanyu O. Patil, Satish Bodige, Kyle G. Lewis, Mark P. Hagemeister
  • Patent number: 10017708
    Abstract: This disclosure relates to a composition for use as an additive for fuels and lubricants including a reductive amination product of a vinyl terminated macromonomer (VTM) based aldehyde. Optionally aldehyde is reacted with the amino compound under condensation conditions sufficient to give an imine intermediate, and the imine intermediate is reacted under hydrogenation conditions sufficient to give the composition. The aldehyde is formed by reacting a VTM under hydroformylation conditions sufficient to form the aldehyde. A reductive amination method for making a composition for use as an additive for fuels and lubricants. The method includes reacting a VTM based aldehyde with an amino compound containing at least one —NH— group under condensation conditions sufficient to give an imine intermediate, and reacting the imine intermediate under hydrogenation conditions sufficient to give said composition. The aldehyde is formed by reacting a VTM under hydroformylation conditions sufficient to form the aldehyde.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: July 10, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Abhimanyu Onkar Patil, John W. Chu, Satish Bodige, Liehpao Oscar Farng, Donna Jean Crowther, Man Kit Ng, Patrick Brant, Kathryn L. Peretti
  • Patent number: 10000721
    Abstract: A method for improving wear control, while maintaining or improving fuel efficiency, in an engine or other mechanical component lubricated with a lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition including a lubricating oil base stock as a major component, and (i) at least one transition metal salt of a carboxylic acid (e.g., zinc stearate) or (ii) a mixture of at least one transition metal salt of a carboxylic acid (e.g., zinc stearate) and at least one detergent (i.e., an alkali metal or alkaline earth metal salt of an organic acid, or an alkali metal or alkaline earth metal salt of an inorganic acid, or an alkali metal or alkaline earth metal salt of a phenol, or mixtures thereof (e.g., calcium salicylate and/or magnesium sulfonate)), as a minor component. The lubricating oils are useful in internal combustion engines.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: June 19, 2018
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Alan M. Schilowitz, David J. Baillargeon, Tabassumul Haque, Peter W. Jacobs, Dalia Yablon, Man Kit Ng, Barbara A. Carfolite, Dana J. Gary, Andrew Konicek
  • Patent number: 9976099
    Abstract: A composition including one or more aromatic alkanoate monoester compounds represented by the formulae (I) and (II) as defined herein. The composition has a viscosity (Kv100) from about 1 cSt to about 10 cSt at 100° C. as determined by ASTM D445, a viscosity index (VI) from about ?100 to about 300 as determined by ASTM D2270, and a Noack volatility of no greater than 50 percent as determined by ASTM D5800. A process for producing the composition, a lubricating oil base stock and lubricating oil containing the composition, and a method for improving one or more of thermal and oxidative stability, solubility and dispersancy of polar additives, deposit control and traction control in a lubricating oil by using as the lubricating oil a formulated oil containing the composition.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: May 22, 2018
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Man Kit Ng, Halou Oumar-Mahamat, Hong Cheng, David A. Blain
  • Patent number: 9926509
    Abstract: A method for improving wear control in an engine or other mechanical component lubricated with a lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition that includes a lubricating oil base stock as a major component; and at least one phosphazene represented by the formula as a minor component. In the above formula, Q is nitrogen, sulfur or oxygen; a is a value from about 2 to about 6, c is a value from about 2 to about 6, e is a value from about 2 to about 6, g is a value from about 2 to about 6, i is a value from about 2 to about 6, and k is a value from about 2 to about 6; b is a value of 2a+q, d is a value of 2c+r, f is a value of 2e+s, h is a value of 2g+t, j is a value of 2i+u, and l is a value of 2k+v; q, r, s, t, u and v are independently a value of 0 or ?2; with the proviso that not all of a, c, e, g, i and k are the same value.
    Type: Grant
    Filed: January 18, 2016
    Date of Patent: March 27, 2018
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Alan M. Schilowitz, Man Kit Ng, David J. Baillargeon, Chen Chen, Harry R. Allcock, Andrew R. Hess
  • Publication number: 20180037840
    Abstract: Certain embodiments of the invention provide a lubricating oil composition comprising a lubricating oil base stock and a compound of formula (I): or a salt thereof, wherein R1, R2, R3 and R4 have any of the values defined in the specification, as well as methods of use thereof.
    Type: Application
    Filed: August 7, 2017
    Publication date: February 8, 2018
    Applicants: Rutgers, The State University of New Jersey, ExxonMobil Research and Engineering Company
    Inventors: Kathryn Uhrich, Jonathan Faig, Yingyue Zhang, Shuji Luo, Man Kit Ng, Alan Schilowitz, Anne Marie Shough
  • Patent number: 9777231
    Abstract: A compound useful for reducing fouling in a hydrocarbon refining process is provided. A method for preparing the compound includes hydrohalogenating a polymer having a vinyl chain end to obtain a halogen-containing terminal group, and reacting the terminal group with a polyamine. Methods of using the compound and compositions thereof are also provided.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: October 3, 2017
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Man Kit Ng, Donna J. Crowther, Glen Barry Brons, Hong Cheng, Patrick Brant, Clarence Chase
  • Publication number: 20170253701
    Abstract: Described herein is a comb-star poly(siloxane-polyolefin) comprising the reaction product of at least vinyl-terminated macromer and functional-poly(dialkylsiloxanes) comprising 2 or more functional groups, wherein the comb-star poly(siloxane-polyolefin) has the following features: a g?(vis avg) of less than 0.80; a comb number of 2 or 3 or 4 to 30 or 40 or 50 or 100 or more; and a number average molecular weight (Mn) within the range of from 25,000 g/mole to 500,000 g/mole.
    Type: Application
    Filed: June 30, 2014
    Publication date: September 7, 2017
    Applicant: Exxonmobile Chemical Patents Inc.
    Inventors: Andy H. Tsou, Donna J. Crowther, Man Kit Ng, Tabassumul Haque, Hong Cheng, Patrick Brant, Martin N. Webster, Yong Yang, Liehpao O. Farng, Rahul R. Kulkarni
  • Publication number: 20170247629
    Abstract: A lubricating oil including a lubricating oil base stock as a major component, and one or more lubricating oil additives having at least one protected active group, as a minor component. The one or more lubricating oil additives having at least one protected active group are converted into one or more lubricating oil additives having at least one unprotected active group in the lubricating oil in-service in an engine or other mechanical component. Compositions including one or more lubricating oil additives having at least one protected active group. A method for improving solubility of one or more lubricating oil additives in a lubricating oil. A method for improving oxidative stability of a lubricating oil and extending performance life of one or more lubricating oil additives. A method for improving friction control in an engine or other mechanical component lubricated with a lubricating oil.
    Type: Application
    Filed: February 7, 2017
    Publication date: August 31, 2017
    Inventors: Man Kit Ng, Anne Marie Shough, Hong Cheng, Joseph R. Pellettiere, Peter Calcavecchio, Shane Deighton
  • Publication number: 20170247626
    Abstract: A lubricating oil including a lubricating oil base stock as a major component; and a mixture of (i) one or more protected lubricating oil additives having a first performance function, and (ii) one or more unprotected lubricating oil additives having a second performance function, as a minor component. The first performance function and the second performance function are the same. The one or more protected lubricating oil additives are inactive with respect to their performance function. The one or more protected lubricating oil additives are converted into one or more unprotected lubricating oil additives in the lubricating oil in-service in an engine or other mechanical component. A method for controlled release of one or more lubricating oil additives into a lubricating oil. A method for improving oxidative stability of a lubricating oil and extending performance life of one or more lubricating oil additives.
    Type: Application
    Filed: February 7, 2017
    Publication date: August 31, 2017
    Inventors: Man Kit Ng, Anne Marie Shough, Hong Cheng, Joseph R. Pellettiere, Peter Calcavecchio, Shane Deighton
  • Patent number: 9745528
    Abstract: A compound useful for reducing fouling in a hydrocarbon refining process is provided. A method for preparing the compound includes functionalizing a polymer having a vinyl chain end to obtain a terminal group having one or more anhydride units, and reacting the anhydride units with a polyamine. Methods of using the compound and compositions thereof are also provided.
    Type: Grant
    Filed: April 18, 2016
    Date of Patent: August 29, 2017
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Man Kit Ng, Glen B. Brons, Matthew W. Holtcamp, Donna J. Crowther, Patrick Brant, Hong Cheng, Clarence Chase
  • Patent number: 9714393
    Abstract: A compound useful for reducing fouling in a hydrocarbon refining process is provided. A method for preparing the compound includes functionalizing a polymer having a vinyl chain end to obtain a terminal group having one or more anhydride units, and reacting the anhydride units with a polyamine. Methods of using the compound and compositions thereof are also provided.
    Type: Grant
    Filed: April 18, 2016
    Date of Patent: July 25, 2017
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Man Kit Ng, Glen B. Brons, Matthew W. Holtcamp, Donna J. Crowther, Patrick Brant, Hong Cheng, Clarence Chase
  • Publication number: 20170183595
    Abstract: A lubricating oil base stock including one or more monoesters represented by the formula (I), (II), (III) and (IV) as defined herein. The lubricating oil base stock has a high temperature high shear (HTHS) viscosity of less than about 1.7 cP as determined by ASTM D4683, and a Noack volatility from about 15 to about 90 percent as determined by ASTM D5800. A lubricating oil containing the lubricating oil base stock including one or more monoesters represented by the formula (I), (II), (III) and (IV) as defined herein. A method for improving one or more of thermal and oxidative stability, solubility and dispersancy of polar additives, deposit control and traction control in a lubricating oil by using as the lubricating oil a formulated oil containing the lubricating oil base stock including one or more monoesters represented by the formula (I), (II), (III) and (IV) as defined herein.
    Type: Application
    Filed: December 20, 2016
    Publication date: June 29, 2017
    Inventors: Man Kit Ng, Halou Oumar-Mahamat, Hong Cheng, David A. Blain, Kathleen K. Cooper, James T. Carey, Michael R. Douglass, Percy R. Kanga, Abhimanyu O. Patil, Satish Bodige, Kyle G. Lewis, Mark P. Hagemeister