Patents by Inventor Nancy J. Bertrand

Nancy J. Bertrand 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: 9809760
    Abstract: A method for producing a base oil having a high ratio of weight percent molecules with monocycloparaffinic functionality to weight percent molecules with multicycloparaffinic functionality by hydroisomerization dewaxing a selected Fischer-Tropsch wax under hydroisomerization conditions including a hydrogen to feed ratio from about 712.4 to about 3562 liter H2/liter oil.
    Type: Grant
    Filed: June 26, 2009
    Date of Patent: November 7, 2017
    Assignee: Chevron U.S.A. Inc.
    Inventors: John M. Rosenbaum, Nancy J. Bertrand, Scott C. Deskin, Kamala Krishna, Stephen J. Miller, Susan M. Abernathy
  • Patent number: 8882989
    Abstract: A lubricating base oil manufacturing plant comprising a means for hydroisomerization dewaxing a wax at a specified hydrogen to feed ratio and a means for hydrofinishing the hydroisomerized wax to produce one or more base oils having greater than 10 weight percent total molecules with cycloparaffinic functionality and less than 0.5 weight percent molecules with multicycloparaffinic functionality.
    Type: Grant
    Filed: June 26, 2009
    Date of Patent: November 11, 2014
    Assignee: Chevron U.S.A. Inc.
    Inventors: John M. Rosenbaum, Nancy J. Bertrand, Scott C. Deskin, Kamala Krishna, Stephen J. Miller, Susan M. Abernathy
  • Patent number: 8658018
    Abstract: A lubricant base oil blend having a wt % Noack volatility less than 29, comprising a) a light base oil fraction having a kinematic viscosity at 100° C. between 1.5 and 3.6, and a wt % Noack volatility both between 0 and 100 and less than a Noack Volatility Factor, and b) a petroleum-derived base oil fraction. A process to make the lubricant base oil blend having a wt % Noack volatility less than 29. Also, a pour point depressed lubricant base oil blend having a Brookfield viscosity at ?40° C. of less than 18,000 cP, comprising the light base oil fraction, a petroleum-derived base oil fraction, and a pour point depressant.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: February 25, 2014
    Assignee: Chevron U.S.A. Inc.
    Inventors: John M. Rosenbaum, Nancy J. Bertrand, Scott C. Deskin, Brent K. Lok, Shuibo Xie, Stephen J. Miller
  • Patent number: 8093188
    Abstract: An ashless lubricating oil, comprising a base oil having a viscosity index greater than 150, wherein the base oil is made from a blend of petroleum-based wax and Fischer-Tropsch derived wax.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: January 10, 2012
    Assignee: Chevron U.S.A. Inc.
    Inventors: William Loh, John M. Rosenbaum, Nancy J. Bertrand, Patricia LeMay, Mark E. Okazaki
  • Patent number: 8051020
    Abstract: A method for predicting properties of lubricant base oil blends, comprising the steps of generating an NMR spectrum, HPLC-UV spectrum, and FIMS spectrum of a sample of a blend of at least two lubricant base oils and determining at least one composite structural molecular parameter of the sample from said spectrums. SIMDIST and HPO analyses of the sample are then generated in order to determine a composite boiling point distribution and molecular weight of the sample from such analysis. A composite structural molecular parameter is applied, and the composite boiling point distribution and the composite molecular weight to a trained neural network is trained to correlate with the composite structural molecular parameter composite boiling point distribution and the composite molecular weight so as to predict composite properties of the sample. The properties comprise Kinematic Viscosity at 40 C, Kinematic Viscosity at 100 C, Viscosity Index, Cloud Point, and Oxidation Performance.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: November 1, 2011
    Assignee: Chevron U.S.A. Inc.
    Inventors: Ajit Ramchandra Pradhan, John M. Rosenbaum, Nancy J. Bertrand, David C. Kramer, Allan G. Hee, Max I. Chang
  • Patent number: 7994104
    Abstract: A process to make a light base oil fraction having a wt % Noack volatility between 0 and 100 and additionally less than a Noack Volatility Factor (NVF), wherein the Noack Volatility Factor is defined by the equation: 900×(Kinematic Viscosity at 100° C.)?2.8?15. The process comprises hydroisomerization dewaxing a waxy feed in a series of two or more reactors, and recovering the light base oil fraction having a low wt % Noack volatility.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: August 9, 2011
    Assignee: Chevron U.S.A. Inc.
    Inventors: John M. Rosenbaum, Nancy J. Bertrand, Scott C. Deskin, Brent K. Lok, Shuibo Xie, Stephen J. Miller
  • Patent number: 7972999
    Abstract: A heat transfer oil, comprising: a. a base oil fraction have a traction coefficient less than or equal to 0.015, when measured at a kinematic viscosity of 15 cSt and at a slide to roll ratio of 40 percent; and b. optionally, an antifoam agent; wherein the heat transfer oil has an auto ignition temperature greater than 329° C. (625° F.) and an ASTM Color less than 0.5.
    Type: Grant
    Filed: July 16, 2009
    Date of Patent: July 5, 2011
    Assignee: Chevron U.S.A. Inc.
    Inventors: Ravindra Shah, John M. Rosenbaum, Nancy J. Bertrand
  • Patent number: 7972497
    Abstract: A process to prepare a heat transfer oil, comprising: a. dewaxing a substantially paraffinic wax feed by hydroisomerization dewaxing using a shape selective intermediate pore size molecular sieve under hydroisomerization conditions including a defined hydrogen to feed ratio, whereby a lubricating base oil is produced, b. selecting one or more fractions of the lubricating base oil having: i. a low pour point, ii. greater than 10 weight percent and less than 70 weight percent total molecules with cycloparaffinic functionality, wherein the one or more fractions have at least 31.2 wt % 1-unsaturations by FIMS, and iii. a ratio of weight percent molecules with monocycloparaffinic functionality to weight percent molecules with multicycloparaffinic functionality greater than 15; and c. blending the one or more fractions of the lubricating base oil with less than 0.2 wt % antifoam agent to prepare the heat transfer oil of a defined ISO viscosity grade.
    Type: Grant
    Filed: July 16, 2009
    Date of Patent: July 5, 2011
    Assignee: Chevron U.S.A. Inc.
    Inventors: Ravindra Shah, John M. Rosenbaum, Nancy J. Bertrand
  • Publication number: 20110012053
    Abstract: A heat transfer oil, comprising: a. an isomerized Fischer-Tropsch derived lubricating base oil having: i. greater than 10 weight percent and less than 70 weight percent total molecules with cycloparaffinic functionality, ii. at least 23.6 wt % 1-unsaturations by FIMS, and iii. a ratio of weight percent molecules with monocycloparaffinic functionality to weight percent molecules with multicycloparaffinic functionality greater than 15; and b. less than 0.2 wt % of an antifoam agent; wherein the heat transfer oil has an auto ignition temperature greater than 329° C. (625° F.). Also, a process to prepare the heat transfer oil, comprising: a. selecting the isomerized Fischer-Tropsch derived lubricating base oil having the defined properties; and b. blending the isomerized Fischer-Tropsch derived lubricating base oil with less than 0.2 wt % antifoam agent to prepare a heat transfer oil having an auto ignition temperature greater than 329° C. (625° F.).
    Type: Application
    Filed: June 15, 2010
    Publication date: January 20, 2011
    Inventors: Ravindra Shah, John M. Rosenbaum, Nancy J. Bertrand
  • Publication number: 20110008219
    Abstract: A lubricating base oil manufacturing plant comprising a means for hydroisomerization dewaxing a wax at a specified hydrogen to feed ratio and a means for hydrofinishing the hydroisomerized wax to produce one or more base oils having a viscosity index greater than 28×Ln(Kinematic Viscosity at 100° C., in cSt)+95, and a ratio of wt % molecules with monocycloparaffinic functionality to wt % molecules with multicycloparaffinic functionality greater than 15.
    Type: Application
    Filed: September 3, 2010
    Publication date: January 13, 2011
    Inventors: John M. Rosenbaum, Nancy J. Bertrand, Scott Deskin, Kamala Krishna, Stephen J. Miller, Susan M. Abernathy
  • Patent number: 7862743
    Abstract: A method to use a heat transfer oil, comprising: a. selecting a heat transfer oil having an auto ignition temperature greater than 329° C. (625° F.) and a viscosity index greater than 28×Ln(Kinematic Viscosity at 100° C., in cSt)+80; wherein the heat transfer oil comprises a base oil, made from a waxy feed, with the base oil having: i. greater than 10 weight percent and less than 70 weight percent total molecules with cycloparaffinic functionality, wherein the one or more fractions have at least 31.2 wt % 1-unsaturations by FIMS; b. providing the heat transfer oil to a mechanical system; and c. transferring heat in the mechanical system from a heat source to a heat sink.
    Type: Grant
    Filed: July 16, 2009
    Date of Patent: January 4, 2011
    Assignee: Chevron U.S.A., Inc.
    Inventors: Ravindra Shah, John M. Rosenbaum, Nancy J. Bertrand
  • Patent number: 7846880
    Abstract: A lubricant, comprising a light base oil fraction having a wt % Noack volatility between 0 and 100 and additionally less than a Noack Volatility Factor (NVF), wherein the Noack Volatility Factor is defined by the equation; 900×(Kinematic Viscosity at 100° C.)?2.8?15, and optionally one or more additional additives. A process to make the light base oil fraction, comprising hydroisomerization dewaxing a waxy feed in a series of two or more reactors, and recovering the light base oil fraction having a low wt % Noack volatility. Also, a light base oil fraction having a wt % Noack volatility between 0 and 100 and additionally less than the NVF, made by the process of hydroisomerization dewaxing a waxy feed in a series of reactors.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: December 7, 2010
    Assignee: Chevron U.S.A. Inc.
    Inventors: John M. Rosenbaum, Nancy J. Bertrand, Scott C. Deskin, Brent K. Lok, Shuibo Xie, Stephen J. Miller
  • Publication number: 20100279904
    Abstract: An electrical insulating oil composition comprising a heavy reformate as an anti-gassing agent is provided with excellent gassing tendency. In one embodiment, the composition displays a gassing performance of <30 ?L per minute as measured according to ASTM D2300-08. In a second embodiment, the composition displays a gassing performance of <0 ?L per minute.
    Type: Application
    Filed: June 8, 2010
    Publication date: November 4, 2010
    Inventors: Scott C. Deskin, Ravindra Shah, John M. Rosenbaum, Nancy J. Bertrand, Doran Y. Lum, Thomas D'Amico, Ryan Joseph Schexnaydre
  • Publication number: 20100270206
    Abstract: We provide a process, comprising: a) hydroisomerization dewaxing a substantially paraffinic wax feed and distilling a dewaxed product, whereby a lubricating base oil is produced having a traction coefficient less than 0.015 when measured at 15 mm2/s and at a slide to roll ratio of 40 percent; and b) blending one or more fractions of the lubricating base oil with: i) optionally less than about 5 wt % of a hydrocarbon solvent, ii) another base oil, and iii) one or more additives; whereby the lubricating oil is a two-cycle gasoline engine lubricant. We also provide a lubricating oil, comprising an isomerized base oil having a traction coefficient less than 0.015 when measured at 15 mm2/s and at a slide to roll ratio of 40 percent, and one or more additives; wherein the lubricating oil is a two-cycle gasoline engine lubricant.
    Type: Application
    Filed: April 28, 2010
    Publication date: October 28, 2010
    Inventors: Joseph Timar, Nancy J. Bertrand, John M. Rosenbaum, Joseph Pudlak, Stephen J. Miller
  • Publication number: 20100219101
    Abstract: A process to make a light base oil fraction having a wt % Noack volatility between 0 and 100 and additionally less than a Noack Volatility Factor (NVF), wherein the Noack Volatility Factor is defined by the equation: 900×(Kinematic Viscosity at 100° C.)?2.8?15. The process comprises hydroisomerization dewaxing a waxy feed in a series of two or more reactors, and recovering the light base oil fraction having a low wt % Noack volatility.
    Type: Application
    Filed: January 28, 2010
    Publication date: September 2, 2010
    Inventors: John M. Rosenbaum, Nancy J. Bertrand, Scott C. Deskin, Brent K. Lok, Shuibo Xie, Stephen J. Miller
  • Publication number: 20100191026
    Abstract: An ashless lubricating oil, comprising a base oil having a viscosity index greater than 150, wherein the base oil is made from a blend of petroleum-based wax and Fischer-Tropsch derived wax.
    Type: Application
    Filed: December 23, 2009
    Publication date: July 29, 2010
    Inventors: William Loh, John M. Rosenbaum, Nancy J. Bertrand, Patricia LeMay, Mark E. Okazaki
  • Patent number: 7763161
    Abstract: A process for manufacturing a lubricating base oil, comprising dewaxing a substantially paraffinic wax feed by hydroisomerization dewaxing using a shape selective intermediate pore size molecular sieve under hydroisomerization conditions including a hydrogen to feed ratio from about 712.4 to about 3562 liter H2/liter oil, whereby a lubricating base oil is produced having a) a total weight percent of molecules with cycloparaffinic functionality greater than 10, and b) a ratio of weight percent molecules with monocycloparaffinic functionality to weight percent molecules with multicycloparaffinic functionality greater than 30. Also a method for producing a base oil having a high ratio of weight percent molecules with monocycloparaffinic functionality to weight percent molecules with multicycloparaffinic functionality by hydroisomerization dewaxing a selected Fischer-Tropsch wax under hydroisomerization conditions including a hydrogen to feed ratio from about 712.4 to about 3562 liter H2/liter oil.
    Type: Grant
    Filed: May 19, 2006
    Date of Patent: July 27, 2010
    Assignee: Chevron U.S.A. Inc.
    Inventors: John M. Rosenbaum, Nancy J. Bertrand, Scott Deskin, Kamala Krishna, Stephen J. Miller, Susan M. Abernathy
  • Patent number: 7732391
    Abstract: A manual transmission fluid having a VI greater than 160 and a Brookfield viscosity at ?40° C. less than 30,000 cP. It comprises: 1) a base oil (made from a waxy feed) having less than 0.06 wt % aromatics, greater than 5 wt % total molecules with cycloparaffinic functionality, and a ratio of molecules with monocycloparaffinic functionality to molecules with multicycloparaffinic functionality greater than 20; and a manual transmission fluid additive package. In another embodiment, the manual transmission fluid comprises: 1) a base oil having a high VI and a kinematic viscosity at 100° C. greater than 5.5 cSt, 2) less than 0.01 wt % pour point depressant, and 3) a manual transmission fluid additive package. This invention is also directed to a process to make the manual transmission fluid, comprising the steps of hydroisomerization dewaxing, selecting base oil fractions having a high VI, and blending the fractions with an additive package.
    Type: Grant
    Filed: December 7, 2005
    Date of Patent: June 8, 2010
    Assignee: Chevron U.S.A. Inc.
    Inventors: John Rosenbaum, Marc J. De Weerdt, Thomas Plaetinck, Nancy J. Bertrand
  • Patent number: 7674364
    Abstract: A hydraulic fluid composition having excellent seal compatibility is prepared from an isomerized base oil is provided. The composition comprising (i) 80 to 99.999 wt. % of a lubricating base oil having consecutive numbers of carbon atoms, less than 10 wt % naphthenic carbon by n-d-M, less than 0.10 wt. % olefins and less than 0.05 wt. % aromatics, a molecular weight of greater than 600 by ASTM D 2503-92 (Reapproved 2002), a wt % total molecules with cycloparaffinic functionality greater than 25 and a ratio of molecules with monocycloparaffinic functionality to molecules with multicycloparaffinic functionality greater than 10; and (ii) optionally from 0.001 to 6 wt % of a viscosity modifier; and (iii) 0-10 wt % of at least an additive package. When used in operations, the composition results in an average volume change in a rubber seal of less than 3% and an average hardness change in the rubber seal of less than 1 pts. when tested under ASTM D 471-06 (SRE NBR1 at 100° C., 168 hours).
    Type: Grant
    Filed: August 28, 2007
    Date of Patent: March 9, 2010
    Assignee: Chevron U.S.A. Inc.
    Inventors: William Loh, John M. Rosenbaum, Nancy J. Bertrand, Patricia V. Lemay
  • Publication number: 20100049681
    Abstract: A method for predicting properties of lubricant base oil blends, comprising the steps of generating an NMR spectrum, HPLC-UV spectrum, and FIMS spectrum of a sample of a blend of at least two lubricant base oils and determining at least one composite structural molecular parameter of the sample from said spectrums. SIMDIST and HPO analyses of the sample are then generated in order to determine a composite boiling point distribution and molecular weight of the sample from such analysis. A composite structural molecular parameter is applied, and the composite boiling point distribution and the composite molecular weight to a trained neural network is trained to correlate with the composite structural molecular parameter composite boiling point distribution and the composite molecular weight so as to predict composite properties of the sample. The properties comprise Kinematic Viscosity at 40 C, Kinematic Viscosity at 100 C, Viscosity Index, Cloud Point, and Oxidation Performance.
    Type: Application
    Filed: December 17, 2008
    Publication date: February 25, 2010
    Inventors: Ajit Ramchandra Pradhan, John M. Rosenbaum, Nancy J. Bertrand, David C. Kramer, Allan G. Hee, Max I. Chang