Patents by Inventor Michel Jacques Roger Hebrard

Michel Jacques Roger Hebrard 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).

  • Hydrocarbon/silicon oil lubricating compositions for low temperature use
    Patent number: 4059534
    Abstract: A low temperature lubricant oil composition having improved viscosity-temperature properties, lubricating properties and pour point is described. The composition comprises a homogeneous mixture of from 1% to 50% by weight of poly(dimethylsiloxane) having an average viscosity at 100.degree. F between 100,000 cs and 1,000,000 cs, the remainder of the mixture being a hydrocarbon oil selected from certain alkenes, isoparaffins and naphthenics. The composition can also contain a foam inhibitor such as a perfluoroalkylpolyether.
    Type: Grant
    Filed: April 7, 1976
    Date of Patent: November 22, 1977
    Assignee: Union Carbide Canada Limited
    Inventors: William Charles Morro, Leo Ernest Hakka, James Mackay Brophy, Michel Jacques Roger Hebrard, Jean Claude Courtes