Patents Assigned to Orogil
  • Novel lubricating compositions containing derivatives of 1,2-dithiol-3-thiones or 1,2-dithiol-3-ones
    Patent number: 4042514
    Abstract: Novel lubricating compositions are provided comprising at least one lubricating oil and at least one derivative of 1,2-dithiol-3-thiones or 1,2-dithiol-3-ones, carrying a 5-alkylthio or 5-alkarylthio substituent. The novel compositions are prepared by mixing the constituents. The novel lubricating compositions find application as oils for engines, gearboxes, automatic transmissions and the like.
    Type: Grant
    Filed: February 5, 1976
    Date of Patent: August 16, 1977
    Assignee: Orogil
    Inventors: Francois Giolito, Georges Rivier