Patents Represented by Attorney Christopher D. Hiker
  • Patent number: 8153565
    Abstract: A lubricant composition for a final drive axle oil comprising an oil of lubricating viscosity, one or more dispersants and one or more phosphorus compounds wherein the kinematic viscosity of the lubricant composition at 100° C. is greater than 10 mm2/s and wherein the amount by weight of the dispersant is greater than the amount by weight of the phosphorus compounds and any sulfur compounds which may optionally be present.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: April 10, 2012
    Assignee: The Lubrizol Corporation
    Inventors: Craig D. Tipton, Thomas A. Tagliamonte