Patents by Inventor Jai G. Bansal

Jai G. Bansal 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).

  • Lubricating oil compositions
    Patent number: 8188021
    Abstract: A lubricating oil composition formulated with a viscosity index (VI) improver composition including a combination of an ethylene ?-olefin copolymer having no greater than 66 mass % of units derived from ethylene, and a linear diblock copolymer including at least one block derived primarily from a vinyl aromatic hydrocarbon monomer, and at least one block derived primarily from diene monomer.
    Type: Grant
    Filed: February 5, 2009
    Date of Patent: May 29, 2012
    Assignee: Infineum International Limited
    Inventors: Chin Chu, Rolfe J. Hartley, Stuart Briggs, Jacob Emert, Jai G. Bansal
  • Lubricating Oil Compositions
    Publication number: 20090291871
    Abstract: A lubricating oil composition formulated with a viscosity index (VI) improver composition including a combination of an ethylene ?-olefin copolymer having no greater than 66 mass % of units derived from ethylene, and a linear diblock copolymer including at least one block derived primarily from a vinyl aromatic hydrocarbon monomer, and at least one block derived primarily from diene monomer.
    Type: Application
    Filed: February 5, 2009
    Publication date: November 26, 2009
    Inventors: Chin Chu, Rolfe J. Hartley, Stuart Briggs, Jacob Emert, Jai G. Bansal
  • Lubricant Compositions With Low HTHS for a Given SAE Viscosity Grade
    Publication number: 20090156442
    Abstract: A lubricant composition that exhibits low high temperature high shear viscosity is disclosed. The lubricant composition is made up of a first polymer having a kinematic viscosity ratio less than or equal to 0.25 and a shear stability index (SSI) equal to or greater than 20 percent and base oil having a viscosity index equal to or greater than 120.
    Type: Application
    Filed: December 17, 2007
    Publication date: June 18, 2009
    Inventors: Laurent Chambard, Jai G. Bansal
  • Lubricating oil compositions
    Publication number: 20080085847
    Abstract: Lubricating oil compositions and viscosity index (VI) improver concentrates containing combinations of first polymers that are amorphous ethylene ?-olefin copolymers; and second polymers that are star polymers, the arms of which are derived from diene, and optionally vinyl aromatic hydrocarbon monomer, wherein the star polymers have a Shear Stability Index (SSI) of from about 1% to about 35% (30 cycle).
    Type: Application
    Filed: October 10, 2006
    Publication date: April 10, 2008
    Inventors: Kwok-Leung Tse, Jacob Emert, Jai G. Bansal
  • Viscosity index improver concentrates
    Patent number: 7018962
    Abstract: A viscosity index (VI) improver concentrate containing at least one VI improver, from 0 to about 5 mass % of lubricating oil flow improver (LOFI) and diluent oil, wherein the diluent oil has a kv100 of at least about 3.0 cSt and a CCS at ?35° C. of less than 3700 cPs, and wherein at least about 98 mass % of the concentrate is composed of VI improver, LOFI and diluent oil.
    Type: Grant
    Filed: June 12, 2003
    Date of Patent: March 28, 2006
    Assignee: Infineum International Limited
    Inventors: Ricardo A. Bloch, Jai G. Bansal, Dean B. Clarke
  • Lubricating oil compositions
    Patent number: 6869919
    Abstract: Soot induced kinematic viscosity increase of lubricating oil compositions for diesel engines equipped with EGR systems can be ameliorated by selection of viscosity modifier, lubricating oil flow improvers, detergents and/or dispersants.
    Type: Grant
    Filed: September 10, 2002
    Date of Patent: March 22, 2005
    Assignee: Infineum International Ltd.
    Inventors: Andrew J. D. Ritchie, Jai G. Bansal, Jacob Emert, Glen P. Fetterman, Antonio Gutierrez, Matthew D. Irving, Christopher J. Locke, Michael T. Minotti
  • Viscosity index improver concentrates
    Publication number: 20040254082
    Abstract: A viscosity index (VI) improver concentrate containing at least one VI improver, from 0 to about 5 mass % of lubricating oil flow improver (LOFI) and diluent oil, wherein the diluent oil has a kv100 of at least about 3.0 cSt and a CCS at −35° C. of less than 3700 cPs, and wherein at least about 98 mass % of the concentrate is composed of VI improver, LOFI and diluent oil.
    Type: Application
    Filed: June 12, 2003
    Publication date: December 16, 2004
    Inventors: Ricardo A. Bloch, Jai G. Bansal, Dean B. Clarke
  • EGR equipped diesel engines and lubricating oil compositions
    Patent number: 6715473
    Abstract: Soot induced kinematic viscosity increase of lubricating oil compositions for heavy duty diesel engines equipped with EGR systems operating in a condensing mode can be ameliorated by selection of viscosity modifier, lubricating oil flow improvers, detergents and dispersants.
    Type: Grant
    Filed: July 30, 2002
    Date of Patent: April 6, 2004
    Assignee: Infineum International Ltd.
    Inventors: Andrew J. D. Ritchie, Jai G. Bansal, Jacob Emert, Glen P. Fetterman, Antonio Gutierrez, Matthew D. Irving, Christopher J. Locke, Michael T. Minotti
  • Lubricating oil compositions
    Publication number: 20040048753
    Abstract: Soot induced kinematic viscosity increase of lubricating oil compositions for diesel engines equipped with EGR systems can be ameliorated by selection of viscosity modifier, lubricating oil flow improvers, detergents and/or dispersants.
    Type: Application
    Filed: September 10, 2002
    Publication date: March 11, 2004
    Inventors: Andrew J.D. Ritchie, Jai G. Bansal, Jacob Emert, Glen P. Fetterman, Antonio Gutierrez, Matthew D. Irving, Christopher J. Locke, Michael T. Minotti
  • EGR EQUIPPED DIESEL ENGINES AND LUBRICATING OIL COMPOSITIONS
    Publication number: 20040025853
    Abstract: Soot induced kinematic viscosity increase of lubricating oil compositions for heavy duty diesel engines equipped with EGR systems operating in a condensing mode can be ameliorated by selection of viscosity modifier, lubricating oil flow improvers, detergents and dispersants.
    Type: Application
    Filed: July 30, 2002
    Publication date: February 12, 2004
    Inventors: Andrew J. D. Ritchie, Jai G. Bansal, Jacob Emert, Glen P. Fetterman, Antonio Gutierrez, Matthew D. Irving, Christopher J. Locke, Michael T. Minotti