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: 9809760Abstract: 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: GrantFiled: June 26, 2009Date of Patent: November 7, 2017Assignee: 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: 8882989Abstract: 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: GrantFiled: June 26, 2009Date of Patent: November 11, 2014Assignee: 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: 8658018Abstract: 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: GrantFiled: December 20, 2006Date of Patent: February 25, 2014Assignee: 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: 8093188Abstract: 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: GrantFiled: December 23, 2009Date of Patent: January 10, 2012Assignee: Chevron U.S.A. Inc.Inventors: William Loh, John M. Rosenbaum, Nancy J. Bertrand, Patricia LeMay, Mark E. Okazaki
-
Patent number: 8051020Abstract: 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: GrantFiled: December 17, 2008Date of Patent: November 1, 2011Assignee: 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: 7994104Abstract: 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: GrantFiled: January 28, 2010Date of Patent: August 9, 2011Assignee: 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: 7972999Abstract: 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: GrantFiled: July 16, 2009Date of Patent: July 5, 2011Assignee: Chevron U.S.A. Inc.Inventors: Ravindra Shah, John M. Rosenbaum, Nancy J. Bertrand
-
Patent number: 7972497Abstract: 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: GrantFiled: July 16, 2009Date of Patent: July 5, 2011Assignee: Chevron U.S.A. Inc.Inventors: Ravindra Shah, John M. Rosenbaum, Nancy J. Bertrand
-
Publication number: 20110012053Abstract: 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: ApplicationFiled: June 15, 2010Publication date: January 20, 2011Inventors: Ravindra Shah, John M. Rosenbaum, Nancy J. Bertrand
-
Publication number: 20110008219Abstract: 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: ApplicationFiled: September 3, 2010Publication date: January 13, 2011Inventors: John M. Rosenbaum, Nancy J. Bertrand, Scott Deskin, Kamala Krishna, Stephen J. Miller, Susan M. Abernathy
-
Patent number: 7862743Abstract: 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: GrantFiled: July 16, 2009Date of Patent: January 4, 2011Assignee: Chevron U.S.A., Inc.Inventors: Ravindra Shah, John M. Rosenbaum, Nancy J. Bertrand
-
Patent number: 7846880Abstract: 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: GrantFiled: December 20, 2006Date of Patent: December 7, 2010Assignee: 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: 20100279904Abstract: 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: ApplicationFiled: June 8, 2010Publication date: November 4, 2010Inventors: Scott C. Deskin, Ravindra Shah, John M. Rosenbaum, Nancy J. Bertrand, Doran Y. Lum, Thomas D'Amico, Ryan Joseph Schexnaydre
-
Publication number: 20100270206Abstract: 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: ApplicationFiled: April 28, 2010Publication date: October 28, 2010Inventors: Joseph Timar, Nancy J. Bertrand, John M. Rosenbaum, Joseph Pudlak, Stephen J. Miller
-
Publication number: 20100219101Abstract: 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: ApplicationFiled: January 28, 2010Publication date: September 2, 2010Inventors: John M. Rosenbaum, Nancy J. Bertrand, Scott C. Deskin, Brent K. Lok, Shuibo Xie, Stephen J. Miller
-
Publication number: 20100191026Abstract: 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: ApplicationFiled: December 23, 2009Publication date: July 29, 2010Inventors: William Loh, John M. Rosenbaum, Nancy J. Bertrand, Patricia LeMay, Mark E. Okazaki
-
Patent number: 7763161Abstract: 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: GrantFiled: May 19, 2006Date of Patent: July 27, 2010Assignee: Chevron U.S.A. Inc.Inventors: John M. Rosenbaum, Nancy J. Bertrand, Scott Deskin, Kamala Krishna, Stephen J. Miller, Susan M. Abernathy
-
Patent number: 7732391Abstract: 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: GrantFiled: December 7, 2005Date of Patent: June 8, 2010Assignee: Chevron U.S.A. Inc.Inventors: John Rosenbaum, Marc J. De Weerdt, Thomas Plaetinck, Nancy J. Bertrand
-
Patent number: 7674364Abstract: 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: GrantFiled: August 28, 2007Date of Patent: March 9, 2010Assignee: Chevron U.S.A. Inc.Inventors: William Loh, John M. Rosenbaum, Nancy J. Bertrand, Patricia V. Lemay
-
Publication number: 20100049681Abstract: 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: ApplicationFiled: December 17, 2008Publication date: February 25, 2010Inventors: Ajit Ramchandra Pradhan, John M. Rosenbaum, Nancy J. Bertrand, David C. Kramer, Allan G. Hee, Max I. Chang