Patents by Inventor Sravani GULLAPALLI

Sravani GULLAPALLI 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).

  • METHOD FOR IMPROVING THE AIR RELEASE OF A LUBRICATING OIL
    Publication number: 20180371352
    Abstract: The invention provides a method for improving the air release of a lubricating oil as measured by ASTM D3427. The method comprises a step of mixing an additive into the lubricating oil.
    Type: Application
    Filed: November 22, 2016
    Publication date: December 27, 2018
    Inventor: Sravani GULLAPALLI
  • Lubricating oil composition
    Patent number: 10160927
    Abstract: Lubricating composition comprising (i) base oil and (ii) a Verkade base compound having the formula (1): wherein R1, R2 and R3 are each independently selected from hydrogen and saturated or unsaturated, straight chain or branched, C1-C22 alkyl groups. The lubricating composition of the present invention exhibits improved base number retention and oxidative stability, particularly in the presence of a biofuel such as fatty acid alkyl ester.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: December 25, 2018
    Assignee: SHELL OIL COMPANY
    Inventors: Alexander Mark Robert James Hellawell, Robert Wilkinson, Alexander Peter Dirk Massely, Robert Moir, Stuart Browning, Richard Thomas Bown, Sravani Gullapalli
  • METHOD FOR IMPROVING THE AIR RELEASE OF A LUBRICATING OIL IN A HYDRAULIC SYSTEM
    Publication number: 20180334633
    Abstract: The invention provides a method for improving the air release of a lubricating oil in a hydraulic system, said method comprising supplying the lubricating oil to the hydraulic system. The air release is measured according to ASTM D3427.
    Type: Application
    Filed: November 22, 2016
    Publication date: November 22, 2018
    Inventors: Anne Taylor COLEMAN, Sravani GULLAPALLI, Jennifer Lin Karam KENSLER
  • LUBRICATING OIL COMPOSITION
    Publication number: 20170362529
    Abstract: Lubricating composition comprising (i) base oil and (ii) a Verkade base compound having the formula (1): wherein R1, R2 and R3 are each independently selected from hydrogen and saturated or unsaturated, straight chain or branched, C1-C22 alkyl groups. The lubricating composition of the present invention exhibits improved base number retention and oxidative stability, particularly in the presence of a biofuel such as fatty acid alkyl ester.
    Type: Application
    Filed: December 14, 2015
    Publication date: December 21, 2017
    Inventors: Alexander Mark Robert James HELLAWELL, Robert WILKINSON, Alexander Peter Dirk MASSELY, Robert MOIR, Stuart BROWNING, Richard Thomas BOWN, Sravani GULLAPALLI