Patents by Inventor Jeroen Augustinus van Leeuwen

Jeroen Augustinus van Leeuwen 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 COMPOSITION PROVIDING WEAR PROTECTION AT LOW VISCOSITY
    Publication number: 20190270946
    Abstract: Provided is a lubricating oil comprising: (a) a major amount of an oil of lubricating viscosity, (b) a dispersant polymethacrylate (DPMA) VII, (c) a non-dispersant ethylene-based olefin copolymer viscosity index improver, (d) a magnesium containing detergent; wherein the lubricating oil composition is substantially free of molybdenum containing element. Also provided is a method for improving friction and reducing wear in an internal combustion engine using said engine lubricating oil composition.
    Type: Application
    Filed: February 28, 2019
    Publication date: September 5, 2019
    Inventors: Richard Hogendoorn, Jeroen Augustinus van Leeuwen, Alexander B. Boffa
  • LUBRICATING OIL COMPOSITION PROVIDING WEAR PROTECTION AT LOW VISCOSITY
    Publication number: 20190270947
    Abstract: Provided is a lubricating oil composition comprising: (a) a major amount of an oil of lubricating viscosity, (b) a dispersant polymethacrylate (DPMA) VII; (c) a non-dispersant ethylene-based olefin copolymer viscosity index improver; (d) a molybdenum containing compound; and (e) a minor amount of a salicylate detergent.
    Type: Application
    Filed: February 28, 2019
    Publication date: September 5, 2019
    Inventors: Richard Hogendoorn, Jeroen Augustinus van Leeuwen, Alexander B. Boffa