Patents by Inventor Vivek Palekar

Vivek Palekar 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).

  • Borated polyol ester of hindered phenol antioxidant/friction modifier with enhanced performance
    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
  • Borated polyol ester of hindered phenol antioxidant/friction modifier with enhanced performance
    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
  • Gear lubricant with a base oil having a low traction coefficient
    Patent number: 7425524
    Abstract: A multigrade automotive gear lubricant comprising a base oil having a traction coefficient less than 0.021. A method for saving energy using a gear lubricant, comprising blending a multigrade gear lubricant by adding a base oil having a traction coefficient less than 0.021, and using the gear lubricant in an axle or differential. A process for making an energy saving automotive gear lubricant having a kinematic viscosity at 100° C. greater than 10 cSt. A gear lubricant comprising a FT derived base oil having a VI greater than 150 and a traction coefficient less than 0.015. A finished lubricant, comprising a FT derived base oil having a traction coefficient less than 0.015. A base oil having a traction coefficient less than 0.011 and a 50 wt % boiling point greater than 582° C.
    Type: Grant
    Filed: April 7, 2006
    Date of Patent: September 16, 2008
    Assignee: Chevron U.S.A. Inc.
    Inventors: Michael J. Haire, John A. Zakarian, John M. Rosenbaum, Nancy J. Bertrand, Stephen J. Miller, Trevor Miller, Vivek Palekar, Ajit Ramchandra Pradhan
  • Gear lubricant with a base oil having a low traction coefficient
    Publication number: 20070238628
    Abstract: A multigrade automotive gear lubricant comprising a base oil having a traction coefficient less than 0.021. A method for saving energy using a gear lubricant, comprising blending a multigrade gear lubricant by adding a base oil having a traction coefficient less than 0.021, and using the gear lubricant in an axle or differential. A process for making an energy saving automotive gear lubricant having a kinematic viscosity at 100° C. greater than 10 cSt. A gear lubricant comprising a FT derived base oil having a VI greater than 150 and a traction coefficient less than 0.015. A finished lubricant, comprising a FT derived base oil having a traction coefficient less than 0.015. A base oil having a traction coefficient less than 0.011 and a 50 wt % boiling point greater than 582° C.
    Type: Application
    Filed: April 7, 2006
    Publication date: October 11, 2007
    Inventors: Michael Haire, John Zakarian, John Rosenbaum, Nancy Bertrand, Stephen Miller, Trevor Miller, Vivek Palekar, Ajit Pradhan